Gawain was a popular hero in medieval tales such as those by Chrétien de Troyes, where his name appears in the French form Gauvain or Gauvains. He is the main character of the 14th-century anonymous poem Sir Gawain and the Green Knight, in which he accepts a potentially fatal challenge from the mysterious Green Knight.
Initially Saint George was primarily revered by Eastern Christians, but returning crusaders brought stories of him to Western Europe and he became the patron of England, Portugal, Catalonia and Aragon. The name was rarely used in England until the German-born George I came to the British throne in the 18th century. Five subsequent British kings have borne the name.
Other famous bearers include two kings of Greece, the composer George Frideric Handel (1685-1759), the first president of the United States, George Washington (1732-1797), and the Pacific explorer George Vancouver (1757-1798). This was also the pen name of authors George Eliot (1819-1880) and George Orwell (1903-1950), real names Mary Anne Evans and Eric Arthur Blair respectively.
This name is also used by Christians in India, notably Saint Thomas Christians in the state of Kerala in the spelling ജോർജ്ജ് (Jōrjj).
There were a few medieval French and German saints bearing this name. It was also borne by an 8th-century Anglo-Saxon saint. In this case his name may represent an Old English cognate of the continental Germanic name.
This was a fairly popular name throughout the English-speaking world during the 20th century, especially in Scotland and Canada. It peaked in both the United Kingdom and United States in the 1930s and has since disappeared from most of the popularity charts.
During the 20th century, Graham was more common in the United Kingdom, Australia and Canada than it was in the United States. However, it has been rising on the American charts since around 2006.
Due to the renown of the saints by this name, Gregory (in various spellings) has remained common in the Christian world through the Middle Ages and to the present day. It has been used in England since the 12th century. A famous bearer from the modern era was American actor Gregory Peck (1916-2003).
This name was borne by a few medieval saints, including a 7th-century Anglo-Saxon priest and an 11th-century archbishop of Cologne.
This was also used as a personal name, being borne for example by a 1st-century saint and martyr.
As an English Christian name, Isaac was occasionally used during the Middle Ages, though it was more common among Jews. It became more widespread after the Protestant Reformation. Famous bearers include the physicist and mathematician Isaac Newton (1643-1727) and the science-fiction writer Isaac Asimov (1920-1992).
Though it has never been popular in the English-speaking world among Christians, it has historically been a common name for Jews, who have used it as an Americanized form of names such as Isaac, Israel and Isaiah.
American writers Jack London (1876-1916) and Jack Kerouac (1922-1969) were two famous bearers of this name. It is also borne by the actor Jack Nicholson (1937-) and the golfer Jack Nicklaus (1940-). Apart from Nicklaus, none of these famous bearers were given the name Jack at birth.
In the United Kingdom this form has been bestowed more frequently than John since the 1990s, being the most popular name for boys from 1996 to 2008.
The English names Jacob and James derive from the same source, with James coming from Latin Iacomus, a later variant of the Latin New Testament form Iacobus. Unlike English, many languages do not have separate spellings for the two names.
In England, Jacob was mainly regarded as a Jewish name during the Middle Ages [1], though the variant James was used among Christians. Jacob came into general use as a Christian name after the Protestant Reformation. In America, although already moderately common, it steadily grew in popularity from the early 1970s to the end of the 1990s, becoming the top ranked name from 1999 to 2012.
A famous bearer was Jacob Grimm (1785-1863), the German linguist and writer who was, with his brother Wilhelm, the author of Grimm's Fairy Tales.
This name has been used in England since the 13th century, though it became more common in Scotland where it was borne by several kings. In the 17th century the Scottish king James VI inherited the English throne, becoming the first ruler of all Britain, and the name grew much more popular. In American name statistics (recorded since 1880) this name has never been out of the top 20, making it arguably the era's most consistently popular name. It was the top ranked name for boys in the United States from 1940 to 1952.
Famous bearers include the English explorer James Cook (1728-1779), the Scottish inventor James Watt (1736-1819), and the Irish novelist and poet James Joyce (1882-1941). This name has also been borne by six American presidents. A notable fictional bearer is the British spy James Bond, created by author Ian Fleming in 1953.
This name also appears in the New Testament, belonging to man who sheltered Paul and Silas. In his case, it may represent a Hellenized form of a Hebrew name. It was not used in England until after the Protestant Reformation.
A famous bearer was Jesse James (1847-1882), an American outlaw who held up banks and stagecoaches. He was eventually shot by a fellow gang member for a reward. Another famous bearer was the American athlete Jesse Owens (1913-1980), whose real name was James Cleveland (or J. C.) Owens.
This name was initially more common among Eastern Christians in the Byzantine Empire, but it flourished in Western Europe after the First Crusade. In England it became extremely popular, typically being the most common male name from the 13th to the 20th century (but sometimes outpaced by William). During the later Middle Ages it was given to approximately a fifth of all English boys. In the United States it was the most common name for boys until 1923.
The name (in various spellings) has been borne by 21 popes and eight Byzantine emperors, as well as rulers of England, France, Sweden, Denmark, Poland, Portugal, Bulgaria, Russia and Hungary. It was also borne by the poet John Milton (1608-1674), philosopher John Locke (1632-1704), American founding father and president John Adams (1735-1826), and poet John Keats (1795-1821). Famous bearers of the 20th century include author John Steinbeck (1902-1968), assassinated American president John F. Kennedy (1917-1963), and musician John Lennon (1940-1980).
The forms Ian (Scottish), Sean (Irish) and Evan (Welsh) have also been frequently used in the English-speaking world, as has the medieval diminutive Jack.
Jonah's story was popular in the Middle Ages, and the Hellenized form Jonas was occasionally used in England. The form Jonah did not become common until after the Protestant Reformation.
As an English name, Jonathan did not become common until after the Protestant Reformation. A famous bearer was the Anglo-Irish satirist Jonathan Swift (1667-1745), who wrote Gulliver's Travels and other works.
The name is borne by Don Juan, a character from Spanish legend who, after killing his lover's father, is dragged to hell by the father's ghost. The story was adapted into plays by Tirso de Molina (1630) and Molière (1665), an opera by Mozart (1787), and an epic poem by Byron (1824), among other works.