Felix is one of those ancient but nontraditional names for boys that have come into favor over the past few decades, a favorite of parents who want a masculine name with history and heft that breaks ranks with the standard Franks and Freds. Felix is also an international darling, ranking in the Top 100 in several European and English-speaking countries.

Finn is a name with enormous energy and charm, that of the greatest hero of Irish mythology, Finn MacCool (aka Fionn mac Cuumhaill), an intrepid warrior with mystical supernatural powers, noted as well for his wisdom and generosity.

A hugely popular choice for boys in England and Wales, Finley has been used for both sexes in the US since the early 2000s, and has since become one of the most popular unisex names. Until recently, it was tilting slightly towards the girl side, however, as of 2024, it leans more masculine.

Fletcher is a common surname with a touch of quirkiness; it definitely fits into the So Far Out It's In category--and moving further in all the time along with other occupational names from Parker to Forester.

Since this was the name chosen by the late Roman Catholic pope in 2013, Francis has come into the spotlight.

Flynn, a charming Irish surname, is still used only quietly, despite its easygoing, casual cowboy charm, unlike Finn which is a star of this genre. Flynn was the choice of Orlando Bloom and Miranda Kerr for their baby boy, and is also the middle name -- used as his first -- of a son of Miranda's fellow supermodel Elle Macpherson, of Gary Oldman's son Gulliver and Marley Shelton's daughter West.

A Top 10 name from the 1880s until the 1920s, Frank has been falling for decades but last year reversed course for the first time in a century, edging up the popularity list a few notches. And Frank still has a certain warm, friendly real-guy grandpa flavor that could come back into style, like other such choices as Jake and Jack.

Frederick, and friendlier nickname Fred, seemed almost to have disappeared, leaving just the memory of Freds past such as Astaire, Mr. Rogers and Flintstone. But today's parents are beginning to recognize it as a strong classic and one of the top royal baby boy names.

Finnick has risen to prominence as a first name via The Hunger Games, in which Finnick Odair was a winner of the games. A wearable literary creation, Finnick was given to 136 boys in the US in a recent year.

If you like the Finn names and love James Joyce, Finnegan is extremely winning. Will & Grace 's Eric McCormack chose the Finnigan spelling for his son. And of course Finnegan gains you access to the great short form Finn.

A doubly Presidential name, via Pierce and Roosevelt, Franklin was given an initial boost via the fame of Benjamin Franklin. It also has a literary tie to the main character of the Wilkie Collins classic The Moonstone.

The long association to the Ford Motor Company doesn't stand in the way of this being a strong, independent, single-syllable name.

Fox is one animal name backed by a longish tradition, and then popularized via the lead character Fox Mulder on X Files. Fox is simple, sleek, and a little bit wild, and could make an interesting middle name.

Any number of Fitz names -- Fitzgerald, Fitzpatrick, Fitzroy, Fitzwilliam -- have been used as Christian names, in fact Fitzwilliam was the given name of the dashing Mr. Darcy in Pride and Prejudice. Fitz can be a short form of any of them and is often, like Mac, a nickname drawn from a surname.

Forrest is one of the earliest appealingly sylvan, outdoorsy choices, borne by newsman Sawyer, actor Whitaker, and football Hall of Famer Gregg. Forrest Gates was a character on "Buffy the Vampire Slayer."

In Celtic lore, Fergus was the ideal of manly courage, making it a charming, slightly quirky Scottish and Irish favorite.

Though TV's "Frasier" made the name famous, and Frazier is a well-used variation, Fraser is the original, used mostly in Scotland.

Fabian is the ancient name of a saint and pope that also has Shakespearean cred as Olivia's servant in Twelfth Night and more recently made an appearance in Harry Potter. In the U.S. Fabian became best known via the 1960s teen idol/singer who went solely by his first name.

Frankie used to be a name used for near-equal numbers of girls and boys. In 2015, it ranked Number 992 for both genders in the US.

Because the legendary Faust sold his soul to the devil, few parents would choose this for a child, although Fausto is commonly heard in Italy and Spain.