Baby boy Green

Arthur, once the shining head of the Knights of the Round Table, is, after decades of neglect, now being polished up and restored by stylish parents, inspired perhaps by the new generation of royals. Arthur has led the list of possible names for the young British princes, chosen as a middle name for Prince Louis, son of William and Catherine, Prince and Princess of Wales.

Felix is one of those ancient but nontraditional names for boys that have come into favor over the past few decades, a favorite of parents who want a masculine name with history and heft that breaks ranks with the standard Franks and Freds. Felix is also an international darling, ranking in the Top 100 in several European and English-speaking countries.

Fredric is a streamlined spelling variant of the traditional Frederick. Frederick has been borne by numerous European rulers, giving the name royal associations.

A name that crosses cultures, Idris was virtually unknown before the emergence of the charismatic Idris Elba, first on The Wire and then depicting Nelson Mandela in the acclaimed film.

Llewellyn/Llywelyn is a common patriotic first name in Wales, with its distinctive Welsh double LL's; in the U.S. Llewellyn would make a daring choice, though with the chance that some might find the ellen sound slightly feminine.

A happy medium between the weighty Maximilian and the laid-back Max, Maxwell is one of the most classic and attractive Scottish names. Early influences on the name's revival include Maxwell Smart of the television show, and then movie, Get Smart, and the Beatles song about Maxwell's Silver Hammer.

This sleek, warm-hued spelling spin on Rowan was chosen by Sharon Stone for one of her three sons back in the 2000s and it has since risen in popularity in the US. While it remains a long way behind its sometimes sound-alike Rowan, it was still given to more than 100 babies in a recent year.