Jack may have fallen from its Number 1 place in England, but in the US it's as popular as it was at its height in the 1920s and 1930s. A durable, cheery, everyman form of John, Jack ranks as one of the most popular boy names starting with J.

Kai is an internationally flexible name with many possible origins and meanings, growing in popularity in the US and a diverse range of European countries.

Delphine is a sleek, chic French name with two nature associations — the dolphin and the delphinium, a bluebell-like flower, a well as a link to the ancient city of Delphi, which the Greeks believed to be the womb of the earth. All of these derive from the Greek word delphus "womb".

Maren is one of the many twenty-first-century takes on Mary--but we find the more classic Marin spelling preferable. When spelled Maren, the pronunciation seems more clearly to resemble Mary, with the emphasis on the first syllable. Marin, the spelling also used for the beautiful coastal county north of San Francisco, is often pronounced with the emphasis on the second syllable, as in Marie.

Dylan still feels poetic and romantic after years of popularity. It still ranks highly on the charts, among the top boy names starting with D, so if you choose it, be aware that yours may not be the only Dylan in his class.

Marin is a lovely county north of San Francisco, and a lovely baby name on the rise, one which sounds more refreshing than the more familiar Marina.

This unusual Greek flower and color name has gained considerable recent attention via actress Ione Skye, who is the daughter of sixties folksinger Donovan.

Pearl, like Ruby, has begun to be polished up for a new generation of fashionable children after a century of jewelry box storage. The birthstone for the month of June, Pearl could also make a fresher middle name alternative to the overused Rose. Cool couple Maya Rudolph and Paul Thomas Anderson named their daughter Pearl Minnie, followed by Jack Osbourne picking Pearl Clementine. Several celebs have put it in the middle spot, as in Busy Philipps's Cricket Pearl, Jake Owen's Olive Pearl and Caleb Followill's Dixie Pearl .

Simple, short, and cool, Ray gives off retro vibes thanks to its 20th century popularity, and its links to jazzy Ray Charles and Ray-Ban sunglasses. A popular middle name for boys, it is well established as a given name too.

A name that has a bit of a shouldn't-I-be-a-middle-name sound, though still in use as a first for both genders. Lee might be a good choice if you want something that sounds at once traditional yet modern, unisex but not newly-minted.

For a single-syllable Latino surname, this new popular kid on the block packs a lot of energy and charm and is one of the most stylish Spanish names for boys in general use today. Victoria and David Beckham named their third son Cruz, following Brooklyn and Romeo, and it was also picked up on by tennis star Lleyton Hewitt for his son. Other parents may prize its Christian associations.

Currently in the US Top 300, Saylor finds the middle ground between the popular and unisex Taylor, and the more unexpected, wordier Sailor. In fact, it is currently used more often than either of its sound-alikes.

Morgan, once split evenly between the sexes, is a strong and attractive Welsh favorite, still a common boys’ name in Wales. Morgan is now more often a girls' name in the U.S. – about 2000 girls were given the name in one recent year, vs. 362 boys – though it's one of the most traditional unisex choices. Morgan was actually a Top 200 pick for boys in Victorian Britain!

Cove is an up-and-coming nature name whose cool sound and peaceful image saw it rising for both sexes... until COVID-19 hit. It remained steady in use for boys in 2021, but actually increased for girls, although it remains a seriously rare and distinctive choice for either gender.

Doris had long been on our so-far-out-it-will-always-be-out-for-babies list, and seemed to be written there in indelible ink. But there are signs of a sea change, that Doris could profit from the revivals of Dorothy and Dorothea.

Marlin is a masculine name with multiple origins and meanings. It derives primarily from English surname traditions, originally denoting someone who lived near a small lake (mere) or possibly from the bird name 'merlin.' The name also inevitably brings to mind the marlin fish, a powerful ocean predator known for its strength and fighting spirit. Marlin gained modest popularity in the United States during the mid-20th century but remains relatively uncommon. The name carries associations with nature, the sea, and rugged independence. It combines traditional masculine qualities with distinctive character, making it appeal to parents seeking a name with strong imagery and outdoor connections without being overly common.

Nature names like Ocean and River are flowing back into favor, especially with nature lovers and green-oriented parents. In 2024, it was given to 483 boys and 325 girls, making this a unisex favorite in the US, while in the UK, it is considerably more popular for girls.

Clove is a spice name that is a tad more piquant than Saffron or Cinnamon. It might get more attention now as a member of The Hunger Games family of names.

An offbeat possible replacement for the overused Melissa and Marisa, Nerissa was used by Shakespeare for Portia's witty confidante in The Merchant of Venice. Queen Elizabeth has a cousin named Nerissa.

Reef is an uncommon nature name with mainstream potential. Its laidback, beach-y vibe makes it a perfect choice for ocean lovers.