Sibling Names for Avery (F)

One of the first generation of surname names, along with Porter and Morgan, Parker's still one of the most appealing and remains firmly in the Top 100 for boys. About three times as many boys as girls get this occupational name. The association with Charlie Parker gives Parker itself a jazzy edge, and it also has a nature-related meaning. Rosie O'Donnell has a son named Parker.

Peyton is a unisex surname that rose to fame in the 90s, with parents drawing inspiration from football star, Peyton Manning, and, oddly enough, from "Peyton Flanders", the villainess of the 1992 film, The Hand That Rocks The Cradle. Combining gentle sounds with contemporary style and the naughtiness of Peyton Place, the name remains a popular choice in the US today.

Piper is a bright, musical name that entered the list in 1999, one year after the debut of the TV series Charmed, which featured a Piper, and it's been a consistent riser since. Piper Kerman is the memoirist whose prison experiences provided the basis for the hit Netflix series Orange is the New Black.

Riley—an upbeat, friendly surname name—is red hot for girls and still going strong for boys. If you haven't been spending much time around babies recently, you may be surprised to learn that Riley is the most popular girls' name starting with R and also the Number 1 Irish name for girls in the US.

Sydney was a hot girls' name in the 1990s, but she's arguably still cool. One of the original old man names adopted for baby girls, Sydney's popularity may be down but she's not out.