Common in Holland, the appealing Willem (as in de Kooning and Dafoe) makes William fresh and distinctive.

Adley is one of those rare unisex names that probably developed via different paths on the girls' and boys' sides, with the male Adley a phonetic spelling of the Hebrew Adlai, while the girls' version, which briefly made the Top 1000 in 2012, is an abbreviation of the trendy Hadley, an English place name and surname.

An international and unisex choice, Malin is a rare northern English name associated with the city of Sheffield. In this case, it would mean "little warrior". As a Bulgarian choice, it is a masculine form of Malina, a Slavic name meaning "raspberry". It is more common as a feminine name, however, as a contracted form of Magdalene and Madeleine.

Marlow is a suave, unusual surname-name that was chosen by Celine designer Phoebe Philo for her older son. This is a name with many spellings and many difference in gender identity. Marlowe is decidedly female, with only 10 percent of the babies named Marlowe male, while Marlow is 25 percent male, and Marlo is evenly divided.