The Master List - T

Thea is a diminutive of names ending in -thea, including Dorothea, Althea, and Anthea. It is also the Anglicized spelling of Theia, the Titan of sight, goddess of light, and mother of the moon. She was the consort of Hyperion, and mother of Helios, Selene, and Eos.

See the popularity graph below for the name Theo? It's been heading straight uphill since 2010, when it hopped back onto the Top 1000 after a 60+ year absence.

Tessa is one of those golden names that's been popular but not TOO popular for several decades now. Tessa has ranked in the Top 500 in the US since 1981 but has risen only once above Number 200.

With its solid Thomas Hardy background, Tess has a lot more substance, strength, and style than most single-syllable names, with an efficient yet relaxed image.

Thaddeus, a distinguished, long-neglected name, has several areas of appeal: a solid New Testament legacy, a nice antique feel, and the choice of several more modern nicknames and international variations.

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..

Thatcher is an open and friendly freckle-faced surname, fresher sounding than Tyler or Taylor, that dates back to the days of thatched-roof cottages. It is catching on with modern parents—it reached the US Top 1000 for the first time in 2013.

The name of several ancient kings and princes of Ireland, Tadhg became so common at one point that it was used to represent a kind of Irish Gaelic everyman, or man in the street, as Paddy and Mick would later. Tadhg has seen a major resurgence in recent years and is also now ranked in England.

It is sometimes used as the Irish equivalent of Timothy and is also anglicized as Teague and Thaddeus. Tadleigh and Thad are pet forms. Pronunciation is like tide ending with a g or like the first syllable of tiger.

Thora, related to Thor, is the ancient Norse thunder goddess name that's much softer and gentler than its meaning suggests. A noted bearer is actress Thora Birch.

Tucker has more spunk than most last-name-first-names, and also a positive, comforting ("Tuck me in, Mommy") feel.

Despite a rich history in Irish myth preceding its plantation appearance in Gone with the Wind, widespread use in the seventies caused Tara to lose its Irish accent.

A favorite in England and Wales where nicknames as given names are very much the norm, Tilly has the potential to catch on in the US, given its similarity to the popular Lily and Ellie and the rising stars Millie, Billie, Kallie, and Nellie.

One of the hot two-syllable T names of the nineties (along with Tyler, Trevor, and Taylor), and well represented on soap operas; Tanner is still widely used, but its popularity is declining.

This feminine form of Theodosius has long been buried deep in the attic, but might be a good discovery for the parent who wants to move beyond Theodora. Vice President Aaron Burr named a daughter Theodosia ("Dear Theodosia" is a song in the smash musical Hamilton), and it was the birth name of silent screen vamp Theda Bara. Theodosia actually appeared on the US popularity lists in the 1880s and 90s.

A sassy, spunky name for the bold parent who doesn't remember Mrs. Ed Norton on The Honeymooners or who's into the nicknames-as-given-names trend sweeping the UK and returning to the US.

This name comes from Greek mythology, where the Titans were a band of immortal, powerful giants.

Thor, the powerful name of the Norse god of thunder, strength and rain, would make a bold statement. Long a comic book staple, Thor has now invaded the big screen, and could land on birth certificates as well.

Thisbe, the name of a beautiful but tragic lover in mythology, is lively and cute -- in a slightly thistly, prickly way. Ovid retold the story of Thisbe and Pyramus, young lovers in ancient Babylon kept apart by family rivalry, which was the inspiration for Romeo and Juliet. A modern bearer of the name is writer Thisbe Nissen.

In Sarah Dessen's novel Along for the Ride, the baby daughter is named Thisby, nn Isby.

This name of the bright orange flower found in Asia has been used occasionally in English-speaking countries. A notable namesake is Tiger Lily, the Native American princess from Peter Pan. Read more about Tiger Lily and other Disney Princess Names in our featured blog.

Many parents seeking a return to more basic values and a simpler lifestyle are turning to such virtuous girls' names as Grace, Faith, and Hope, but there are a handful that work just as well on boys, including True.