Reminiscent of the Old West, with rugged charm and a gentle, easy-going feel, Wesley has long been a staple on the US charts.

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.

Avery is a hugely popular name in the US, especially for girls. But while nearly four times as many girls as boys are named Avery today Avery's popularity is starting to soften for girls while it continues to strengthen for boys.

A favorite in England and Wales, Darcy is a unisex option with delicacy, grace, and strength. Associated with classic literary and courtesy thanks to Jane Austen's hero, Mr. Darcy, and Bridget Jones's Mark Darcy, its image was partly transformed by English ballerina Darcey Bussell, who helped popularize it for girls.

Hadley, most famous as the name of Ernest Hemingway's first wife, is more sophisticated, professional, and modern than cousins Harley, Haley, or Hayden. The hit book The Paris Wife, a novel by Paula McLain told from the point of view of Hadley Hemingway (born Elizabeth Hadley Richardson), has helped popularize the name, which also appears on the vampire show True Blood. Hadley could become this generation's Hailey. Adley, a mashup of Hadley and Addie, has also appeared on the scene.

Idony is a Medieval variation of Idonea, itself an English form of Iðunn, the Norse goddess of spring and eternal youth. She was notable for carrying, keeping, and guarding the box of apples from which the gods would eat to regain their youth.

Rodney peaked at Number 33 in 1965 and has been on a steady decline ever since. As its popularity history indicates, this name is more fitting for someone born in the mid-twentieth century instead of the twenty-first century. It's likely this name will continue trending downward for another generation or two before it has its chance to turn back around.

An uncommon Irish-accented surname that seems particularly well suited to a girl. Tierney Sutton is a well-known jazz singer. Tierney, in its original Tiarnach form, was the name of several saints. It can also join the ranks of Old Hollywood names, via the haunting actress Gene Tierney. ER actress Maura Tierney is a current surname bearer. 

Signy — also spelled Signe — would make another distinctively offbeat alternative to Sydney. Signy appears in Norse mythology as the twin sister of Sigmund.