In Britain the parallel form Alice, derived via Old French, has historically been more common than Adelaide, though this form did gain some currency in the 19th century due to the popularity of the German-born wife of King William IV, for whom the city of Adelaide in Australia was named in 1836.
As an English name it can also derive from the month of August, which was named for the Roman emperor Augustus.
As an English name, Benjamin came into general use after the Protestant Reformation. A famous bearer was Benjamin Franklin (1706-1790), an American statesman, inventor, scientist and philosopher.
As an English name, Caleb came into use after the Protestant Reformation. It was common among the Puritans, who introduced it to America in the 17th century.
The spelling was later altered to Cordelia when Geoffrey's story was adapted by others, including Edmund Spenser in his poem The Faerie Queene (1590) and Shakespeare in his tragedy King Lear (1606).
This name has been used occasionally in England since the 12th century. It was not common in the English-speaking world until the end of the 20th century.
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).
This name died out after the Middle Ages, but was revived in the 19th century. In America and other countries it became fairly popular in the second half of the 20th century. A famous bearer of the surname is former basketball star Michael Jordan (1963-).
This name was initially more common among Eastern Christians, though it came to the West by the Middle Ages. It was borne by six kings of France and five kings of Spain. It was regularly used in England during the Middle Ages, although the Spanish king Philip II, who attempted an invasion of England, helped make it less common by the 17th century. It was revived in the English-speaking world in the 19th century. Famous bearers include the Elizabethan courtier and poet Philip Sidney (1554-1586) and the American science fiction novelist Philip K. Dick (1928-1982).
In England, it began to be used as a given name after the Protestant Reformation. It was moderately common in the 19th century. It began to rise in popularity again in the late 1980s, probably helped along by characters on the American television shows Friends (1994-2004) and Charmed (1998-2006). It is currently much more common in the United Kingdom, Australia and New Zealand than the United States.
A moon of Saturn bears this name, in honour of the Titan.
A famous bearer of the name was the English courtier, poet and explorer Walter Raleigh (1552-1618). It was also borne by Walter Scott (1771-1832), a Scottish novelist who wrote Ivanhoe and other notable works.