Gaynor is an early androgynous name with a positive association, related to the Cornish megahit name Jennifer.

Too close to the name of a bodily fluid.

The Welsh version of William is almost unheard-of across, but it's fairly straightforward and could make a good heritage choice or alternative honor name.

Islwyn is the name of a mountain in Wales which has a pleasant fluid sound. Islwyn has recently been made more familiar through Runescape.

Now that the midcentury sound-alike name Gail for girls is sailing out to sea, Gael is becoming an increasingly popular name for boys -- and could make the gender switch in the opposite direction again.

Male name that seems feminine enough to switch genders, if you're looking for a new lyn spin.

The spelling makes the tradition Non even more of a non-name.

Spelling variant of Arianwen. Note that in Welsh, the -wyn suffix is usually masculine.

Simplify things and spell it Dai, or even Day.

The Welsh form of Maurice.

Now that Kimberly is no longer one of the top girl names, Kim or long form Kimball feel more gender neutral.

Ivy League choice many will mistake for the Israeli favorite Yael, which has a different root and meaning.

Extremely common in Wales and England, Dafydd would likely leave some non-Welsh speakers confused at first. But we love the soft, lispy quality this variation offers.

Cadell is a surname that is unlikely to win many supporters, except perhaps from parents looking for an alternative to Caden. But while Cadell is more distinctive, that L ending is weaker and less appealing than Caden's strong N.

Mawrth is a masculine name with Welsh origins, representing the Welsh word for the planet Mars and also for Tuesday (the day of Mars). The name derives from the Roman god of war, Mars, adapted through Celtic language evolution. Extremely rare as a given name, Mawrth has significance in astronomy and Welsh cultural contexts. Interestingly, 'Mawrth Vallis' is a valley on Mars that has been studied for potential signs of past water. The name offers a distinctive option for parents with Welsh heritage or interests in Celtic languages, astronomy, or mythology, though its unusual pronunciation (similar to 'month' but with an 'r') might present challenges outside Wales.

Unusual twist -- but everyone will hear it as Justin -- or jester.

Occult name for babies born under water signs -- Pisces, Cancer, and Scorpio.

Tegwen is a Welsh name that balances between clunky and mystical, sweet and tough. Created back in the 19th century by blending the element teg "beautiful, pretty", with the element wen "fair, white, blessed", it may appeal to those who enjoy Teagan, Gwen, Gwendolyn, and Tesni.

Inek is a masculine name with multiple cultural origins. In Turkish, 'inek' means 'cow,' though it's not commonly used as a personal name in Turkey. In some African cultures, particularly in Nigeria among the Ibibio people, Inek or Inyek can be found as a personal name. The name may also have Hungarian or Slavic roots in some contexts. Inek is extremely rare as a given name in Western countries, making it a highly distinctive choice. Its short, punchy sound gives it a modern feel despite its traditional origins. The name's obscurity means it carries few preconceptions, allowing the bearer to define its identity.

Trevor with a New York accent.