Submitted Names with "diminutive" in Description

This is a list of submitted names in which the description contains the keyword diminutive.
gender
usage
keyword
Submitted names are contributed by users of this website. The accuracy of these name definitions cannot be guaranteed.
Pinuccia f Italian, Sardinian
Diminutive of Pina ultimately a short form of Giuseppa, Giuseppina or Filippa.
Pinuccio m Medieval Italian, Italian
Diminutive of Pino, as -uccio is an Italian masculine diminutive suffix.... [more]
Pinutxa f Sardinian
Diminutive of Giosepa.
Pinutzu m Sardinian
Diminutive of Giosepe.
Pioch m Kashubian
Diminutive of Pioter.
Piotrak m Medieval Polish
Diminutive of Piotr.
Piotran m Medieval Polish
Diminutive of Piotr.
Piotrek m Polish
Diminutive of Piotr.
Piotro m Medieval Polish
Diminutive of Piotr.
Piotruś m Polish
Diminutive of Piotr.
Pip f Dutch
Diminutive of Pippa.
Pipa f Portuguese
Diminutive of Filipa and Felipa.
Pipe m Spanish
Diminutive of Felipe and Juan Felipe.
Pipia f Portuguese
Diminutive of Sofia.
Pipina f Greek
Diminutive of Despina.
Pipis m Greek
Diminutive of Spyridon.
Pipitsa f Greek
Diminutive of Spyridoula.
Pipo m Portuguese
Diminutive of Filipe and Felipe.
Pipoy m Filipino, Tagalog, Cebuano
Diminutive of Peter and Paul.
Pippeddu m Sardinian
Gallurese diminutive of Filippu.
Pippiccu m Sardinian
Diminutive of Ghjaseppa.
Pippy f English
Diminutive of Philippa.
Pipsa f Finnish
Diminutive of Pirkko, Pirjo and other feminine names beginning with p. This is also the Finnish name of Peppa Pig (Pipsa Possu) and Peppermint Patty from Peanuts (Piparminttu-Pipsa).
Piriccu m Sardinian
Gallurese diminutive of Petru.
Pissentica f Sardinian
Sardinian feminine diminutive of Vincent.
Pit m Kashubian
Diminutive of Agapit.
Pit m Greek
Diminutive of Panagiotis.
Pita f Spanish
Diminutive of Guadalupe. A notable bearer was the Mexican poet Pita Amor (1918-2000), born Guadalupe Teresa Amor Schmidtlein.
Pitch m English
Diminutive of Pitcher.
Pito m Spanish
Short form of Pepito; in other words, this is a diminutive of José.
Pitoy m Filipino, Tagalog
Diminutive of Agapito.
Pitrareddu m Corsican
Diminutive of Petru.
Pitrina f Corsican, Sardinian
Diminutive of Petra.
Pitrinu m Sardinian
Gallurese diminutive of Petru.
Pitrittu m Sardinian
Gallurese diminutive of Petru.
Pitrunedda f Corsican
Diminutive of Petra.
Pitsa f Greek
Diminutive of Kalliopi.
Pitusa f Galician
Diminutive of Pilar.
Pivo m Spanish
Diminutive of Primitivo.
Piyang f Filipino
Diminutive of Sofia.
Piyoton f Nahuatl
Possibly means "little chicken", from Nahuatl piyo, "chicken" (borrowed from the Spanish onomatopoeia pío), and the diminutive suffix -ton.
Platinum f English (American, Rare)
From the metal platinum, derived from Spanish platina, a diminutive of plata "silver". It can also be taken from the color platinum, derived from the metal.
Platosha f Russian
Diminutive of Platonida.
Platya m Russian
Diminutive of Platon.
Plautilla f Late Roman, Italian
Late Latin and Italian feminine diminutive of Plautus.
Pleunie m & f Dutch, Limburgish
In Limburgish, Pleunie is a diminutive form of Pleun (a pet form of Apollonia) and is thus strictly used on females. It is different in Dutch, however, where Pleunie used on a female is a good example of how one can turn a very masculine name (Pleun) into a feminine name by simply adding the diminutive suffix ie to the original name... [more]
Pleunke f Dutch (Archaic)
Dutch diminutive of Apollonia. Also compare the related name Pleuntje.
Pleuntje m & f Dutch
When borne by a female person, this name is a good example of how one can turn a very masculine name (Pleun) into a feminine name by simply adding the diminutive suffix je to the original name... [more]
Plezou f Medieval Breton, Breton (Archaic)
Of debated origin and meaning. Some scholars try to link this name to Breton bleiz "she-wolf", while others see a connection with Breton plezh "plat; braid"; the second part of the name is a diminutive suffix.... [more]
Plonie f Dutch (Rare)
Dutch diminutive of Apollonia. Also see the related name Pleunie.
Plonneke f Dutch (Rare)
Dutch diminutive of Apollonia via its short form Plonia.
Ploonken f Dutch (Archaic)
Dutch diminutive of Apollonia. Also see the related name Pleunke.
Ploontje f Dutch (Rare)
Dutch diminutive of Apollonia. Also see the related name Pleuntje.
Po m English (American, Rare, ?)
Diminutive of names beginning with P like Philip, etc.
Pocho m Galician
Diminutive of Afonso.
Podge m Irish
Diminutive of Padraig.
Poeiva f Tahitian
Means "brilliant pearl"; a combination of poe "pearl" and iva, a diminutive of iva iva meaning "brilliant".
Poglianniare f Istriot
Diminutive of Pogliare.
Polcia f Polish
Diminutive of Apolonia.
Polda f Hungarian
Diminutive of Leopoldina and Leopolda.
Poldica f Slovene (Rare)
Diminutive form of Leopolda.
Poldka f Slovene
Diminutive of Leopolda, used as a given name in its own right.
Poleng f Filipino, Tagalog
Diminutive of Paula and its forms.
Pòlësza f Kashubian
Diminutive of Apòla and Apòloniô.
Polet m French
Diminutive of Paul.
Pólika f Hungarian (Rare)
Originally a diminutive of Apollónia, Paula and Polixéna, occasionally used as a given name in its own right.
Poliyushka f Russian
Diminutive of Polina
Pollicina f Folklore
This name is one of the two Italian forms of Thumbelina (the other is Mignolina). It is derived from Italian pollice meaning "thumb" combined with the Italian feminine diminutive suffix -ina... [more]
Polonca f Slovene
Diminutive of Polona, used as a given name in its own right.
Polonka f Polish
Diminutive of Apolonia.
Polunia f Polish
Diminutive of Apolonia.
Polusia f Polish
Diminutive of Apolonia.
Poly f Greek
Diminutive of Apostolia.
Polyusha f Russian
Diminutive of Polina.
Pomellina f Medieval Italian
Diminutive of either Poma or Pomona, which are both given names that are ultimately derived from Latin pomus or pomum, both of which are nouns that can mean "fruit" as well as "fruit tree".... [more]
Pomp m & f History
This was what explorer, Captain William Clark, of Lewis and Clark fame, nicknamed the son of Sacagawea. The child's real name was Jean Baptiste Charbonneau... [more]
Ponching m Filipino, Tagalog
Diminutive of Alfonso.
Poncho m Spanish
Diminutive of Alfonso.
Pop m & f English (Rare)
Diminutive of Poppy and nickname derived from pop, shortened variation of papa "father," in use in American English as early as 1838.
Popi f Greek
Diminutive of Pinelopi.
Pósa m Medieval Hungarian
Diminutive of Pál.
Poton m Medieval Occitan, Occitan (Archaic)
Diminutive of names that end in p, such as Josèp and Halip.
Potoula f Greek
Diminutive of Panagiota.
Pottoi f Sardinian
Nuorese diminutive of the Italian compound name Maria Antonia.
Pranutė f Lithuanian
Diminutive form of Pranė.
Priddy m Welsh
Welsh diminutive of Meredith.
Primetta f Italian (Rare)
Diminutive of Prima.
Primmie f English (Rare)
Diminutive of Primula (traditional) and Primrose (modern).... [more]
Primuccio m Medieval Italian
Medieval Italian diminutive of Primo, as -uccio is an Italian masculine diminutive suffix.
Princey m English
Diminutive of Prince and Princeton.
Princy m & f English
Diminutive of Prince and Princess.
Prisci f Spanish (Modern)
Diminutive of Priscila, often used in Spanish.
Priscilita f Spanish
Diminutive of Priscila.
Prissie f English
Diminutive of Priscilla.
Proculus m Ancient Roman, Late Roman
Three theories exist on the origin of the name: it could come from procul ("far"), with the addition of the suffix -us, thus "whose father is distant"; from procus ("wooer, suiter"; also means "prince" in Old Latin); or as a diminutive form of Proca, borne by a king of Alba Longa... [more]
Prodromakis m Greek
Modern Greek diminutive of Prodromos, as it contains the modern Greek diminutive suffix -άκης (-akis). This name is typically only used informally, meaning: it does not appear on birth certificates.
Profirița f Romanian
Diminutive of Profira, not generally used as a given name in its own right.
Prosperina f English (Rare), Italian (Rare)
Feminine form of Prosper and Prospero and diminutive form of Prospera.
Prothet m Medieval French
Medieval French diminutive of Prothade (as -et is a French masculine diminutive suffix). This given name is no longer in use in France, but it still survives there as a patronymic surname.
Pruding m & f Filipino, Tagalog
Diminutive of Prudencio or Prudencia.
Prudy f English
Diminutive of Prudence.
Przemka f Polish
Diminutive form of Przemysława.
Psychoula f Greek
Diminutive of Efpsychia.
Pudentilla f Late Roman
Diminutive form of Pudentia. This was the name of the wife of the Latin-language prose writer Apuleius (2nd century AD).
Pueblito f & m Spanish (Mexican)
Means "little town, small village" in Spanish, a diminutive of pueblo meaning "town, village; people." It is taken from the Mexican titles of the Virgin Mary, La Virgen del Pueblito and Nuestra Señora del Pueblito, meaning "The Virgin of the Little Town" and "Our Lady of the Little Town" respectively.... [more]
Pulanchjinu m Corsican
Diminutive of Paulu.
Pulareddu m Corsican
Diminutive of Paulu.
Pulcinella m Theatre
Possibly derived from a diminutive of Italian pulcino "chick". This is the name of a character (male, despite the name form) that appeared in the commedia dell'arte in the 17th century.
Pumuckl m German (Modern, Rare), Popular Culture
Pumuckl is a diminutive of Nepomuk. It is mainly known as the name of a red-haired Kobold from children's radio plays and a children's TV series.... [more]
Punky f Popular Culture
Diminutive of Penelope. It is the name of the titular character in the TV show 'Punky Brewster' (1985-1986).
Pupe f Spanish
Diminutive of Guadalupe.
Pupillus m Ancient Roman
Derived from Latin pupillus "orphan, minor, little boy", which is a diminutive of Latin pupus "boy." Lucius Orbilius Pupillus was a grammarian from the 1st century BC.
Puring f Filipino, Tagalog
Diminutive of Sinforosa.
Purslane f Popular Culture
From the name of the herb ("a small, fleshy-leaved plant that grows in damp habitats or waste places, in particular Portulaca oleracea, a prostrate North American plant with tiny yellow flowers"), the origin of which is uncertain... [more]
Putte m Swedish
Often used as a diminutive of Patrik.
Pymme f Medieval English
Medieval diminutive of Euphemia, which was popular in England in the Middle Ages.
Pysia f Polish
Diminutive of Patrycja via Patrysia.
Qaraçiq m Karachay-Balkar
From the Karachay-Balkar къара (qara) meaning "black" and the diminutive suffix -чыкъ (çıq).
Quanetta f African American (Rare)
Combination of the name Quana with the diminutive suffix -etta.
Quartilla f Ancient Roman
Diminutive of Quarta. In Roman times it was usually given to the fourth-born child (from Latin quartus "fourth"). This was the name of a character in Petronius' 1st-century novel 'The Satyricon'.
Quartinus m Late Roman
Diminutive of Quartus. This name was borne by a Roman usurper from the 3rd century AD.
Quavo m African American (Modern, Rare)
Diminutive of Quavius or Quavious, a variant of Jaquavius. This is borne by the American rapper Quavo (1991-), whose full name is Quavious Keyate Marshall.
Quena f Medieval English, English (Modern, Rare)
Derived from Old English cwén "woman", this name was originally a diminutive of names containing said element.... [more]
Quenyazton f & m Nahuatl
Possibly means "how will she go?", from Nahuatl quen "how? what? in what manner?" and yaz "will go", combined with the diminutive suffix -ton.
Quigg m English (Anglicized)
Diminutive of Quigley. Reduced Anglicized form of Gaelic Ó Cuaig. In County Down it is Anglicized as Fivey, as if from cúig ‘five’.
Quill m & f English
Diminutive of Aquilla.... [more]
Quille f & m English, African American
Variant of Quill, or a diminutive of Aquila or Shaquille. It may also be transferred use of the surname Quille.
Quincas m Portuguese
Diminutive of Joaquim.
Quincetta f American (Rare), Italian (Rare, Archaic)
Possibly Italian diminutive of Quinzia. This name is also used as English feminine form of Quincy.
Quincho m Spanish
Diminutive of Joaquin.
Quinnie f & m English
Diminutive of Quinn.
Quinny m & f English
Diminutive of Quinn.
Quino m Spanish
Diminutive of Joaquín.
Quintelle f English (Rare)
Feminine diminutive of Quintus, using the suffix -elle.
Quintilla f Ancient Roman, Afrikaans (Rare), Dutch (Rare), English (Rare), Italian (Archaic), Spanish (Latin American, Rare)
Latin diminutive of Quinta, which thus makes this name the feminine equivalent of Quintillus.
Quinzinho m Portuguese
Diminutive of Joaquim.
Quitong m Filipino
Diminutive of Paquito.
Rabbe m Finland Swedish, Swedish (Rare)
Either a German diminutive of Raban or a Swedish diminutive of Rafael.... [more]
Rach f English
Diminutive of Rachel.
Racheltjie f Afrikaans
Diminutive of Rachel.
Rachie f English
Diminutive of Rachel.
Ráďa m Czech
Diminutive of Radek and Radim.
Radica f Slovene
Diminutive of Rada, used as a given name in its own right.
Rading m Filipino
Diminutive of Conrado.
Radka f Polish
Diminutive of Radosława and Radsława.
Radochna f Medieval Polish
Diminutive of names beginning with the element Rado-, such as Radomira and Radosława.
Răducu m Romanian
Diminutive of Radu and other names containing the element rad.
Raduša f Croatian, Czech, Slovak, Slovene
Croatian, Czech, Slovak and Slovene diminutive of any Slavic feminine name that contains the element rad meaning "happy" or "willing", such as Radana, Radmila and Radoslava... [more]
Raduška f Croatian, Czech, Slovak, Slovene
Croatian, Czech, Slovak and Slovene diminutive of any Slavic feminine name that contains the element rad meaning "happy" or "willing", such as Radana, Radmila and Radoslava... [more]
Radzio m Polish
Diminutive of Radosław.
Radźka m Belarusian
Diminutive of both Radzim and Radzivon.
Rafaelita f Spanish (Philippines)
Diminutive form of Rafaela, commonly used in the Philippines. Rafaelita Danita Gomez Paner (1989-) is a Filipino pop-rock singer and actress.
Rafe m Portuguese
Diminutive of Rafael.
Raffaellino m Italian (Rare)
Variant of Raffaele with an added Italian diminutive suffix -ino. Raffaellino del Colle (1490–1566) was an Italian Mannerist painter active mostly in Umbria.
Rafi m Hebrew, Spanish
Diminutive of Raphael.
Rafita m Spanish
Spanish diminutive of Rafael, via its short form Rafa.
Rafka f Slovene
Diminutive of Rafaela.
Rafke f & m Dutch
When borne by a female person, this name is a good example of how one can turn a very masculine name (Raf) into a feminine name by simply adding the diminutive suffix -ke to the original name... [more]
Rafo m Spanish
Diminutive of Rafael.
Rafu m Finnish (Rare)
Finnish diminutive of Rafael.
Ragge m Old Swedish, Swedish
Old Swedish form of Raggi or Swedish diminutive of Ragnar.
Rai m Spanish
Diminutive of Israel.
Raiju f Finnish
Diminutive of Raisa 1.
Raikku f Finnish
Finnish diminutive of Raili.
Rainey f & m English (American, Rare)
Transferred use of the surname Rainey. As a feminine name, it can also be used as a diminutive of Raine or Lorraine.
Raini f English (Modern)
Variant of Rainey (which is from the Irish or Scottish surname, or else a diminutive of Raine) or Rainy (from the English word).
Rainie f English (Rare)
Diminutive of Rain 1.
Raizy f Yiddish
Diminutive of Raisa 2.
Raječka f Belarusian
Diminutive of Raisa 1.
Rákis f Hungarian
Old Hungarian diminutive of Ráhel and Ráchel.
Ral m Spanish
Diminutive of Raul.
Rali m Spanish
Diminutive of Raul.
Rallou f Greek
Diminutive of Rallia.
Ram m Filipino
Diminutive of Ramgen.
Rambalduccio m Medieval Italian
Medieval Italian diminutive of Rambaldo, as -uccio is an Italian masculine diminutive suffix.
Rambertuccio m Medieval Italian
Medieval Italian diminutive of Ramberto, as -uccio is an Italian masculine diminutive suffix.
Rambi m Old Norse
Old Norse diminutive of Ragnbiǫrn.
Rami m Hebrew
Diminutive of names like Ram 1 and Rachamim.
Ramoncito m Spanish
Diminutive of Ramon.
Ramonita f Spanish
Diminutive of Ramona.
Ramush m Albanian
Diminutive of Ramë.
Ramutė f Lithuanian
From Lithuanian 'ramus' meaning "calm" and the diminutive suffix -ute.
Rana f English
Diminutive of Lorraine.
Rannie f & m English
Diminutive of names like Miranda, Randall and Randolf.
Ranuccio m Medieval Italian
Medieval Italian diminutive of Raniero, as -uccio is an Italian masculine diminutive suffix.... [more]
Raph m English
Diminutive of Raphael.
Raphy m English
Diminutive of Raphael.
Rasia f Polish (Jewish)
A Polish diminutive form of Rachel, this was often used as an independent name amongst Polish Jews.
Rasuolė f Lithuanian
Literally means "little dew", derived from the Lithuanian noun rasa meaning "dew" combined with the feminine diminutive suffix -(u)olė. As such, one could consider this name to be a diminutive of the name Rasa.
Rauchie f Scots
Diminutive of Rauchel.
Rauke m West Frisian (Rare)
West Frisian diminutive of masculine given names that contain the Germanic element hraban meaning "raven".
Rauli m Spanish
Diminutive of Raul.
Raulin m French (Archaic)
Archaic diminutive form of Raoul. Nowadays in France, one is far more likely to find Raulin as a surname rather than a first name or nickname.
Raulito m Spanish
Diminutive of Raul.
Raune m Finnish
Diminutive of Rauno.
Ravntzu f Etruscan
Diminutive of Ravnthu.
Raychka f Russian
Diminutive of Raisa 1.
Raylan m English (American), Popular Culture
A variant of Rylan, incorporating the diminutive Ray.
Raymie m English
Diminutive of Raymond and similar names.
Razi f & m Hebrew (Rare)
Means "my secret" in Hebrew, a diminutive of Raz.
Réaltán f Irish (Modern, Rare)
Extremely rare (and supposedly newly coined) name meaning "little star" in Irish, from the Irish word réalta, meaning "star", with a diminutive suffix (-án).
Réaltín f Irish (Modern)
From Irish réalt, réalta meaning "star" paired with ín, a diminutive. This is a modern Irish name.
Rebby f English (Rare)
Diminutive of Rebecca.
Reby f English
Diminutive of Rebecca.
Rechel f Yiddish
Yiddish diminutive of Recha.
Rechla f Yiddish
Diminutive of Recha.
Reelika f Estonian
Originally a diminutive of Reeli, now used as a given name in its own right.
Reetu m Finnish
A Finnish diminutive of Fredrik.
Rega f Judeo-Spanish
Possibly a diminutive of Regina.
Regard m English (Puritan)
In addition to the puritan usage, it has also seen usage as a diminutive of Beauregard.
Rege m English
Diminutive of Reginald, though it also might be a Diminutive of Regis.
Regica f Croatian
Diminutive of Regina.
Reginita f Spanish (Rare)
Spanish diminutive of Regina.
Reilika f Estonian
Originally a diminutive of Reili, now used as a given name in its own right.
Réiltín f Irish
Means "little star" from Irish réalta "star" combined with a diminutive suffix (compare Réaltín).
Reinaudoun m Provençal
Diminutive of Reinaud.
Reinette f French (Rare)
Diminutive of Reine.
Reini m & f German, Dutch (Rare)
German and Dutch diminutive of given names that contain the Germanic element ragin meaning "advice", such as Reinhard and Reinout for men and Reinhilde for women.... [more]
Reintje f Dutch, Frisian
Feminine diminutive of Rein.
Reitse m Dutch, Frisian
Diminutive of a given name, possibly Rein, Richard, or another name beginning with the element rīks "ruler, king", regin "advice, counsel", or rīdaną "to ride".
Rejzka f Sorbian
Diminutive of Rejza.
Reli f Bosnian (Archaic)
Diminutive of Rahel.
Relia f Romanian (Rare), Portuguese
Romanian short form of Aurelia and Portuguese diminutive of Aurélia.
Relka f Sorbian, Slovak
Sorbian diminutive of Aurelia (via Sorbian Awrelija) and Slovak diminutive of Aurélia (via the variant diminutive Aurelka).
Rémi m Kashubian
Diminutive of Jeremiôsz.
Rémiet m Medieval French
Medieval French diminutive of Rémy, as it contains the French diminutive suffix -et. Also compare names like Henriet and Jacquet.... [more]
Remik m Polish
Diminutive of Remigiusz.
Remina f Italian (Rare)
Diminutive of Rema.
Reming f Filipino, Tagalog
Diminutive of Remedios.
Rémion m Medieval French
Medieval French diminutive of Rémy, as it contains the French diminutive suffix -on. Also compare names like Marion 1 and Michon.... [more]
Rémiot m Medieval French
Medieval French diminutive of Rémy, as it contains the French diminutive suffix -ot. Also compare names like Mariot and Charlot.... [more]
Rémka f Kashubian
Diminutive of Remigiô.
Remola f Italian (Rare)
Diminutive form of Rema.
Remolo m Italian (Rare)
Diminutive form of Remo.
Remundedda f Sardinian
Diminutive of Remunda.
Remy f Filipino
Diminutive of Remedios.
Ren f English
Diminutive of Lauren, Maureen, Karen 1 and other names with the same ending sound.
Ren m English
Diminutive of Arren.
Renatinha f Portuguese
Diminutive of Renata.
Renatinho m Portuguese
Diminutive of Renato.
Renátka f Czech
Diminutive of Renata.
Renatuccia f Medieval Italian
Medieval Italian diminutive of Renata, as -uccia is an Italian feminine diminutive suffix.
Renatuccio m Medieval Italian
Medieval Italian diminutive of Renato, as -uccio is an Italian masculine diminutive suffix.
Renča f Czech
Diminutive of Renata.
Reneeke f Flemish, Dutch
Dutch and Flemish diminutive of Renee.
Reneetje f Dutch
Dutch diminutive of Renee.
Reni f Judeo-Spanish
Diminutive of Rena.
Reńka f Polish
Diminutive of Renata.
Rennie m & f English
Diminutive of names containing the element ren, such as Rene, Irene, Rennard or Warren.
Renota f Judeo-Anglo-Norman
Diminutive of Reyna via the form Reynota.
Rensje f Dutch
Diminutive and feminine form of Rens.
Reňulka f Czech
Czech diminutive of Renáta.
Renuša f Czech (Rare), Slovak (Rare)
Czech and Slovak diminutive of Renáta. Also compare Renuška.
Renuška f Czech, Slovak
Czech and Slovak diminutive of Renáta. Also compare Renuša.
Renya f Russian
Russian diminutive of Regina.
Renze m & f English
Diminutive of Lorenzo and Lorenza.
Renzia f Italian
Diminutive of Lorenza.
Repoš m Medieval Serbian
Either from Serbian реп (rep) meaning “tail” or Serbian репа (repa) meaning “turnip, beet” combined with a diminutive suffix. Originally used as a surname in the 14th century, some would later use it as a first name in the 15th century.
Reserl f German (Austrian), Upper German
Austrian and Bavarian German diminutive of Theresa, Therese and Theresia.... [more]
Resi f German (Austrian)
Diminutive of Therese
Ressie f American
Diminutive of Theresa.
Resty m & f Filipino
Common diminutive of Restituto. This is also occasionally used as a diminutive of Restituta.
Részka f Kashubian
Diminutive of Henrieta via Henrészka.
Retse m Frisian
Frisian diminutive of Reed.
Retta f English
Diminutive of Loretta, Margaretta and other names ending in retta. In the case of comedian Retta, it's a diminutive for Marietta.