Though never as popular as the name of her Bewitched mother, Samantha, Tabitha has its own quirky, magical charm. The name of a charitable woman who was restored to life by Saint Peter in the Bible, it was a popular Puritan choice. Sarah Jessica Parker and Matthew Broderick chose it for one of their twin daughters, which gave it a slight boost. Nonetheless, Tabitha remains in decline.

This hauntingly euphonious Choctaw name has re-entered the public domain, as memories of the outrageous actress Tallulah Bankhead have faded. For years, Tallulah was a name associated only with Bankhead, named for her paternal grandmother who was named after the Georgia town of Tallulah Falls.

Talia is derived from the Hebrew elements tal, meaning "dew," and yah, in reference to God. In the mythology of one ancient sect, Talia was one of ten angels who attended the sun on its daily course. The occasionally homophonous name Thalia has unrelated Greek origins.

Thalia was one of the Three Graces in Greek mythology, and also the Muse of comedy and pastoral poetry, making this a Hellenic choice worthy of consideration.

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..

The popular appeal of the strong, intelligent Saint Teresa of Avila, combined with the selfless compassion of the more recent Mother Teresa, have fused to give this second-tier classic a somewhat noble, religious image. Although the origins of the name are uncertain, it has been prevalent particularly in forms Theresa, Teresa, and Therese throughout Europe for centuries.

A short, bright name which originates as a short form of names including Tiana, and Tatiana. Not as popular as Mia – a plus if you're seeking a short and pretty but less common name. In Spanish and Portuguese tía/tia is a word meaning "aunt". In Haida culture in indigenous Canada, Tia is a goddess of peaceful death.

Adding a final a to Tamar lends it a more sensual Slavic tone, making it a more popular choice than the original.

Tina, despite its petite and tinkly image, is apt these days to be replaced by the more elegant originals, Christina and Martina.It does have some strong namesakes, though, in Tina Turner (born Anna Mae), Tina Brown (born Christina), Tina Fey (born Elizabeth), and photographer Tina Barney (born Tina).

Tansy is a flower name rarer than Rose, livelier than Lily and a lot less teasable than Pansy.

Made famous in fifties movies as a wholesome backwoods gal, Tammy was a Top 10 choice from the mid-60s to early-70s, but is now given to fewer than 100 babies per year in the US.

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.

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 paramour of Alexander the Great and the heroine of a Jules Massenet opera based on the life of a fourth century Egyptian saint, this name is nothing if not dramatic. Often spelled with a diaeresis or umlaut -- aka two dots -- over the letter i, Thais is a Top 100 girls' name in France and is also popular in Spain. 

One of the most unusual flower names, Tulip is cute but tough to pull off as a first. It has some celebrity cred via Charlie Tamara Tulip, twin daughter of Rebecca Romijn and Jerry O'Connell. It derives from Persian dulband "turban", due to the distinctive shape of the flowers.

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.

A fairly common Hebrew name without much crossover potential.

This obscure name found in Sinclair Lewis's 1923 novel Babbitt is a bit hipper than most other is-ending names like Janis and Doris. Some sources consider it a variation of Tanith, who is a Phoenician moon goddess and fertility figure, while others say it is a North American indigenous name from the Cree culture, meaning daughter. It may in fact have two separate derivations and meanings, but in any case is a lovely and unusual name.

A multicultural choice with two rather different meanings, Thana is an Arabic name with the spiritual meaning of "praise". It may also appear as Thanaa, Sana, and Sena, the latter spellings reflecting its pronunciation in Urdu and Turkish.

A pretty, rarely used Greek name, Thalassa is the ancient personification of the sea, particularly the Mediterranean, who is sometimes considered the mother of Aphrodite. In 1991, a newly discovered moon of Neptune was dubbed Thalassa.