Names That Mean Twin

A solid classic with plenty of history, Thomas strikes the balance between strength and gentleness. A favorite in the UK, a staple in France, and Australia, and never absent from the US Top 100, Thomas feels like a safe bet and a name that fits into any era.

Tamsin is an offbeat name occasionally heard in Britain and just waiting to be discovered here. U.K. actress Tamsin Greig is a star of the show Episodes, Tamsin Olivier is the daughter of Joan Plowright and Sir Laurence Olivier..

A surprising number of parents choose to put the nickname Tommy on their son's birth certificate rather than the more traditional Thomas. Perhaps even more surprising is thE fact that Tommy has never been off the United States popularity charts. More recently, however, the name has been trending downward.

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

This Scottish form of Thomas has a lot of charm, evoking images of men in plaid kilts playing the bagpipes. As for the 'ish' ending, it could either be seen as cozy and hamish, or a little wishy-washyish.

Ymir comes from Norse mythology, he is a giant and forebear of all the Norse gods and goddesses. A moon of Saturn is named Ymir.

Cute boyish nickname for Thomasina, Thomasin or Tamsin.

Popularized in Scotland by Tam O'Shanter, the hero of one of Robert Burns' most famous poems, it's associated in the U.S. with the plaid cap he gave his name to.

The most common form of Thomas in various European languages, although some Anglophone parents also use this as a phonetic spelling of Thomas.

More often spelled Romolo,a name sometimes heard in the Hispanic and Italian communities; this version was used by singer Monica.

Alternative Cornish spelling of Tamsin, which derives from Thomasin or Thomasina.

A Welsh diminutive of Tomos/Thomas, or just a simplified spelling of Tommy.

Maz is occasionally used as an independent name, as is the case for Maz Quinn, New Zealand surfer. It can also be used as a nickname for any name containing M, A, and Z. Tomaz is perhaps the most likely option for a boy.

Maori form of Thomas

Pronounced like Tom, but not everyone will know that.

Toma is one of the handful of names that has different versions for boys and girls. For boys, it's the Romanian and Croatian short form of Thomas.

A pretty possibility for a Gemini girl.

Diminutive of Tomás in Portuguese, in which Tomás is the common transcription of Thomas.

A rare alternative to the already unusual Gemelle or Gemella, suitable for a twin due to its meaning but perhaps uncomfortably close to the antiseptic cream Germolene.

Nearly every name takes on a more sensual, worldly quality in its Italian version.