B/G Twins!!! Same first letter

Adam -- a primal Old Testament name -- was revived as a 1960s cowboy name. Adam is not as popular as it once was and feels ready for a respite, replaced by newer A names like Aidan/Aiden, Avery and Axel. Its most prominent current bearers include Adams Sandler, Levine, Brody and Driver -- who plays a character named Adam on Girls.

Ava is one of the prime examples of a modern classic name, rising thought the course of a generation into the Top 10, where it has lingered for nearly 20 years.

Beckett is one of the big baby name hits of the decade.

Fairy-tale memories of Sleeping Beauty inspire some parents—such as Rachel Bilson and Hayden Christensen—to call their daughters Briar Rose. But Briar plus a different middle name might work even better. It's one of the newly popular nature-word names, charting in the US for the first time in 2015 for both genders.

An attractive and unusual name that may be a variation of Cleo, Clea was possibly invented by Lawrence Durrell for a character in his Alexandria Quartet.

Thanks to its dashing British image and c-initialed two-syllable sound, Colin/Collin has enjoyed a long run of popularity.

Dominic comes from the Latin name Dominicus and is common in the Roman-Catholic community. In the past it has been given to boys born on Sunday—the word "Sunday" in languages including Spanish and French shares Dominic’s roots. In use in the English-speaking world since medieval times, its most famous bearer was St. Dominic, founder of the Dominican order of monks in the thirteenth century.

Emmett, honest and sincere, laid-back and creative, is on the rise as a male cognate of the megapopular Emma and Emily, not to mention being a character in the popular Twilight series.

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.

Freya has long been popular in the U.K. but has only taken off in the US in the last decade, along with the entire category of mythological names. Derived from the Old Norse name Freyja, meaning "Lady, noble woman", Freya is the name of the Norse goddess of love, beauty, and fertility.

Hannah is one of the nation's top biblical girls' names—it surpassed Sarah in 1998, and ranks in the Top 50 along with Elizabeth, Abigail, Chloe, and Naomi. Hannah is a name with many sources of appeal: Old Testament roots, soft and gentle sound, and a homey yet aristocratic image.

Hayden – a formerly obscure name that's risen to huge popularity – has dipped in this year's ratings. Though Hayden is among the most distinctive of the bunch, it gets lost in the crowd of Jaidens, Bradens, Aidans, and endless variations. Associated with Hayden Christensen, of Star Wars fame.

A true maverick of a girls' name — even more so with this spelling, the least common between Indie, Indy, and Indi.

Joseph is one of the most classic names in American nomenclature, popular with parents from many ethnic backgrounds and having dual-religious appeal.

Julissa is a Spanish version of Julia used mostly in Latin America. It peaked in the 1990s and early 2000s and now hovers near the bottom of the Top 1000.

Kaleb is one of several boys' names starting with k that started life as a classic C name, Caleb. Kevin Federline named his boy Kaleb Michael Jackson.

Kylah makes Kyla feel like an old biblical name, but it's only a reproduction, not a real antique.