3 letter names!

Old-time nickname that may follow in the fashionable footsteps of cronies Jake and Sam.

No longer tied to the hapless Ace Ventura, this jaunty, high-flying nickname name is starting to take flight among celebrity and other parents, with its countless positive references to doing well in tests and poker games, on the tennis court and golf course, and in the air.

Ada is one of the classic baby names for girls that is suddenly super stylish again. A favorite at the end of the nineteenth century, Ada is an alternative to the over-popular Ava. Ada is also part of the trend toward simple, old-fashioned names beginning with a vowel, like Ivy and Ella.

This is one of the ninety-nine attributes of Allah, deemed by Muhammad to be a recommended name for a male child. In this country, it's been primarily associated with boxing immortal Muhammad Ali, known as "the greatest." But Ali is also one of the most popular unisex names for both boys and girls.

Amy is the English variation of the Old French name Amée—Aimée in modern French. Amée was a translation of the Latin name Amata, which derived from amatus, meaning "beloved." Other spelling variations include Amie and Ami.

Pared-down form loses none of the name's grace or power. Ana is one of the most popular Spanish names for girls in the US.

Ann, the name of the sainted mother of the Virgin Mary, was among the top girls’ names for centuries, in both the original English Ann spelling and the French Anne. Both left the Top 100 around 1970 and show no signs of returning, with Anne is the middle of the US Top 1000 and Ann dropped out of sight. Once a go-to middle name, Ann has lost its stature in that position as well. Still, it's one of the most common names for girls of the 20th century.

Simple and yet distinctive, Ara is a mythological name of a famously handsome king. Although it originated as a boys' name, in the contemporary US, it's now much more commonly used for girls.

In 2010, baby boys named Ari outnumbered baby girls 4 to 1; today, there are nearly equal numbers of boys and girls named Ari. And that's only counting the babies who receive Ari as a full name. Ari can also be short for not only Ariel but Aria, Arya, Ariana, and any other name starting with Ari. Ari entered the US Top 1000 for girls in 2016.

A short but strong biblical name with multicultural appeal, Asa is enjoying new visibility thanks to hot young actor Asa Butterfield of Hugo fame.

A male Biblical name meaning healer, Asa is also an international gem. In Japanese, it means "(born in the) morning". And in Scandinavia, where it's generally spelled Åsa or Ása and pronounced O-sa, it's a popular diminutive form of Old Norse names beginning with the element áss "god".

The tree, not the charred bit of soot in the fireplace, usually used for boys, but, as a short form of Ashley, works for girls too.

Ava is one of the prime examples of a modern classic name, rising thought the course of a generation into the Top 10, where it has lingered for nearly 20 years.

Avi, the short form of many Hebrew names, is often used on its own in Israel. It entered the US Top 1000 for the first time in 2015.

Guns 'n' Roses musician Axl (born William) Rose created this name by dropping a vowel, a la Barbra Streisand. The traditional Axel is more popular, though celebrity parents Fergie and Josh Duhamel deliberately chose the Axl spelling to honor her rock hero.