Five Letter Boy Names

Casca was a Roman cognomen — a proto-surname — that derived from a word meaning "old." It was seen in Shakespeare's play Julius Caesar, and more recently, in The Hunger Games.

The original Torin is overwhelmingly male, but this variation is almost equally split between the sexes.

Delta is an unusual vintage name for girls or an futuristic modern option for boys. Delta is the fourth letter of the Greek alphabet and also the geographical name given to an island formed at the mouth of a river.

In Colonial America, Rainy was commonly used among enslaved people of both genders. The practice of giving children names that relate to their birth — such as the day, weather, or time — is common in West Africa.

Though mountain climbers may want to honor the famed Central Asian mountain range known as the Hindu Kush, associations with marijuana and Jared Kushner make this a hard sell.

Ewart has long been extinct as a first name, and the prominent placement of "ew" and "wart" probably has something to do with it. Ewart originated as a Norman form of Edward and an occupational surname name. The surname was related to the Middle English word ewehirde, from the Old English components meaning "ewe" and "herdsman."

Identical in sound to Lonzo, although the names have different origins. Lanzo is a Germanic root meaning "land," and the source of names such as Lance and Lansing.

Kanji is the Japanese writing system that uses Han Chinese characters. It is occasionally used as a male given name in Japan. And as most names from Asian cultures have not yet emigrated to the west, they always make unique baby names.

Maori form of Matthew

Brain is not a name, it's a misspelling of the long-popular Brian. What's really astonishing is not that it made the Top 1000 at all but that it hung on there for 25 years, from 1965 through 1989, Brian's heyday. All we can say is: sad.

Kesey is a possible literary hero name honoring Merry Prankster Ken Kesey, whose characters flew over the cuckoo's nest. Kesey rhymes with easy.

A perennially popular choice in India, where it is inextricably linked to Buddha's son. Rahul briefly ranked in the US Top 1000, from 1998 to 2004.

Combine trendy Crew with even trendier Cruz, and you've got Crews. This English surname, derived from a nickname "the cruse" (i.e. the merry), is made famous by actor Terry Crews.

There will probably be lots of little namesakes after the fastest man in the world, Jamaican Olympic runner Usain Bolt--middle name St. Leo.

Also spelt Loomis, this locational English surname comes from Lomax (Lumhalghs), near Bury in Lancashire. Beyoncé's maternal grandfather, Lumis Albert Beyincé, is a notable bearer of the name.