This is a list of names in which the categories include thinness.
CáelmIrish Mythology From Old Irish cáel meaning "slender". In Irish legend Cáel was a warrior of the Fianna and the lover of Créd.
CaoilfhionnfIrish Derived from the Old Irish elements cáel "slender" and finn "white, blessed". This was the name of several Irish saints.
CaolánmIrish From Irish caol meaning "slender" combined with the diminutive suffix -án.
EliffTurkish Turkish form of Alif, the name of the first letter of the Arabic alphabet, ا. It also means "slender", from the Turkish phrase elif gibi, literally "shaped like elif".
KeelyfEnglish From an Irish surname, an Anglicized form of Ó Caolaidhe, itself derived from the given name Caoladhe, from Irish caol "slender".
MeinirfWelsh Means "tall and slender, beautiful maiden" in Welsh (a compound of main "slender" and hir "tall").
MeinwenfWelsh Means "slender and beautiful maiden" from a Welsh compound of main "slender" and gwen "white, blessed".
NarinfTurkish Means "slender, delicate, fragile" in Turkish.
Quinlanm & fEnglish (Rare) From an Irish surname, an Anglicized form of Ó Caoindealbháin, itself from the given name Caoindealbhán (Old Irish Caíndelbán).
SengafScottish Sometimes explained as an anagram of Agnes, but more likely derived from Gaelic seang"slender".