Frederica is an interesting possibility for the parent unintimidated by its old-fashioned formality, and who can appreciate the vintage charm and verve lurking beneath its stuffiness.

Flint is one of the new macho names on the rise today, part old-school tough guy, part rebel. You won't find a tougher, steelier-sounding name; it's part of a genre on the rise along with cousins Slate, Stone and Steel.

This was Irish name was once used exclusively for boys, and remains so in England and Wales where it's a Top 50 choice. In the US, however, celebs Jason Sehorn, Angie Harmon, and Lisa Marie Presley inspired many parents to consider this name for girls instead, after they chose it for their daughters. In fact, up until 2024, it ranked considerably higher for girls than it did for boys.

Finlo is a name from the Isle of Man, deriving from that island's pagan sun god, Lugh. Given the popularity of all Finn names right now, Finlo could be a great alternative for people who love the "Fin" sound but want a more unusual name.

Fianna, a virtually unknown Irish name in the US, combines the best elements of Fiona and Brianna. In Irish and Scottish mythology, the Fianna were independent bands of warriors. It has ranked in Northern Ireland's Top 100 for girls several times over the past decade. The name also has potential political connotations: Fianna Fáil is a conservative Irish republican political party.

Long heard as a last name, as in venerable poet Robert, U.K. talk show host David, British actress Sadie and old Jack Frost, Frost has suddenly entered the scene as a possible first, along with other seasonal weather names like Winter and Snow.

Fig was the unlikely name of a beautiful character in Curtis Sittenfeld's Man of My Dreams. Better bets: Plum, Quince, or even Apple. Still, you might consider Fig as an unusual nickname for any more formal F-starting name, from Frances to Fiona.

Captivating and gorgeous, powerful but with gentle sounds, Fatima is a popular name of Arabic origin. In the Quran, she is one of the Prophet Muhammad's daughters, and the wife of Ali, the forth ruler of the Muslim world. Fatima is regarded as the ideal example of a Muslim women, which makes it a favorite among Muslim parents.

Fernanda is very popular in the Latino community, with a lot more charm than its male counterpart. The standard nickname is Nanda, and variations include Ferdinanda and Fernandina.

This traditional Germanic name hasn't been on the U.S. list since 1958, but perhaps due to the mythic power of painter Frida Kahlo, parents are beginning to show some interest in it.

An ancient Roman clan name, Flavia is one choice that's unusual but historic. Now a Top 60 name in Italy, Flavia has been a rarity in the US, but with the upswing in F names for girls, this could change. Seen more in literature than real life, Flavia was used as far back as an1580 romance, then in a William Dean Howells novel and as a Princess in The Prisoner of Zenda. Although the original pronunciation is FLAH-via, Flavie (as in flavor) could make a cute nickname.

The Christian name of the dashing Mr. Darcy in Pride and Prejudice— it was his mother's maiden name— is just one of several Fitz names, including Fitzroy, Fitzgerald, Fitzpatrick, that could be used to honor a dad named William, Roy, Gerald or Patrick.

Franz is the German equivalent to Francis, and you'll be hard-pressed to find a Franz outside of countries with Germanic origins. In America the name is often associated with celebrated author Franz Kafka, who was born in Prague.

Frostine, best known in the U.S. as the name of the Candyland queen, is newly fashionable in France and is certainly a choice that any little girl the world over would love. Fanciful, if over-the-top, but a perfect name for a winter baby girl.

Long before the vogue of using Irish surnames for girls, writer Flannery O'Connor gave this one some visibility. It has a warm (flannelly) feel and the currently popular three-syllable ee-ending sound.

This unusual (to non-Welsh speakers) is near the top of the charts in Wales, carried by the recent taste for native Welsh names. Those in Wales say it's already on the way down, but for outsiders wanting to honor their Welsh heritage, it still makes an intriguing choice.

This variation of Theodore is familiar here mostly via the great Russian novelist Dostoyevsky. It was also the name of three early tsars of Russia.

The Forest variation of Forrest, used by actor Whitaker, nudges the meaning more toward the woods and away from the woodsman.

In English, a fen is a wetland fed by surface and/or groundwater. In Dutch and Frisian, it's a traditional diminutive of names containing the element frid, meaning "peace". Either way, Fen makes a fresh alternative to fashionable Finn.

Friday became famous as a name via the sidekick character in Daniel Defoe's Robinson Crusoe, morphing into a generic term for an all-around professional assistant, as in "girl Friday." As a word for the day of the week, Friday is associated with the old English goddess Frigg and the Roman goddess Venus, though the character makes Friday more of a male name.