Slytherin

This Greek flower and mythological choice doesn't make it into the pantheon of possibilities because of its association with narcissism. But narcissa is December's flower of the month, so Narcissa and Daffodil theoretically make perfect names for December babies.

Orion is a rising star, with both mythical and celestial overtones.

Pansy is an early floral name that lost credibility when it became a derogatory slang term for gay people. Better these days: Posy or Poppy.

Peregrine is considered to be an elegantly aristocratic name in England, but has never made it to the U.S., where it has been seen as extravagantly eccentric. In the new naming climate, though, it's not beyond consideration — in fact it's already been chosen by at least one Berry.

Phineas is the English variation of Phinehas, a Hebrew name likely derived from the Egyptian name Pa-nehasi. Pa-nehasi, meaning "the Nubian" can also be translated as "the bronze-colored one." The Egyptians distinguished themselves from their Nubian neighbors through differences in skin tone.

Phoebe is the Latin variation of the Greek name Phoibe, which derived from phoibos, meaning "bright." In classical mythology, Phoebe is the by-name of Artemis, goddess of the moon and of hunting. The masculine version of Phoebe is Phoebus.

Castor's twin in the constellation Gemini. That final x makes this name modern and cool.

Though it has literary credentials--making an appearance in Jane Austen's Mansfield Park and as the mean-spirited teacher Severus Snape in the Harry Potter books, most modern parents would find it too--well--severe.

A name that seems to hail from the old Irish neighborhoods of Boston and New York, Terence actually dates back a lot further, to the time of a famous second-century poet, who started life as a North African enslaved man in the house of a Roman senator and it was also borne by several early saints.

Just like Sam and Ben, Tom could be revived as a simple, well liked name on its own. Tom, just Tom, is one of the Top 100 Boy Names in France

Vincent is a name with a complex image. After being quietly used for centuries, it is suddenly seeming stylish, along wih other V names. Even the nickname Vince has been given a reprieve via actor Vince Vaughn and country singer Vince Gill. Vin Diesel was born with the more prosaic name Mark Vincent.

An ancient saint's name belonging to an 8th century English missionary. Variants include Walpurga and Walpurgis.