Number Names for Babies

The second most common numerical -illion name, after Million. Probably because of the outdated nickname Bill.

An uncommon Latin and Italian name which would make a fitting choice for a final baby – but be aware that many would associate it with the cosmetics brand or the Ultimo brand of lingerie.

An ancient Roman number name that is rarely if ever used in modern times.

The most common of the -illion numerical names, which are rising up the ranks.

Roman statesman and Caesar rival whose name, like other classical choices, was occasionally used for enslaved people. The Pompeo version could rise again.

A rare name that would be fitting for a youngest child.

A meeting of two trends — compound names a la Myking and Alegend and money-related -illion names such as Million and Billion.

An interesting international possibility for a third son.

Number names are cooler than ever and Thirteen is the newest addition, introduced by Kourtney Kardashian and Travis Barker. They named their son Rocky Thirteen, inspired by Travis' favorite number and Rocky's position as the 13th Kardashian grandchild.

An unusual international variant on Trinity and Trinidad, also spelled Hirune (from hiru, "three").

This ancient Roman name was sometimes used to show a woman's birth order in her family. It has been used very rarely in modern times, but if you love clunky, ponderous, so-out-they're-in names it could be one to consider.

A great name for travel-lovers, with a fun alternative sound to Naomi.

The author Roald Dahl named his oldest daughter Olivia Twenty, after a $20 bill he had in his pocket, and her birthday on April 20.

A very accessible Japanese choice, with an evocative meaning.