Baby Mahieu

Alma is a somewhat solemn, soulful name that had a burst of popularity a century ago, then faded into the flowered wallpaper, and is now finding its footing once more.

Avery is a unisex name that is used four times as often today for girls as for boys. But while Avery's popularity is starting to soften for girls, it continues to get stronger for boys -- in keeping with our finding that gender neutral names are becoming more favored for boys than for girls.

Elyse hasn't been heard much since the 80s, but it's beginning to be reconsidered as a possibIlity again, now that it's not so much seen as a Mom name, as it was in the TV show "Family Ties." A spelling variation of Elise, it's another variation of Elizabeth. Many parents today would opt for Eliza.

Heidi became known—and popular—via the 1880 eponymous children's classic by Swiss writer Johanna Spyri and, despite decades of American Heidis of all sizes, shapes, and personalities, the name seems permanently tethered to that spunky little girl on the Alpine mountaintop in the book and Shirley Temple movie.

Matilda is a sweet vintage name that has been gently climbing the popularity list for the past 15 years, after a half-century slumber. The spunky children's book heroine Matilda is one factor in its rise, along with others of its class like Eloise and Caspian.