Kroketje

Leila was popularized in the West by the poet Byron, who used it in his poem Don Juan for a ten-year-old Turkish girl. Leila also appears as a fairy in the Gilbert & Sullivan comic opera Iolanthe.

The lovely Lorelei, a name from old German legend, was a beautiful Rhine River seductress whose haunting voice led sailors to hazardous rocks that would cause them to be shipwrecked. And this siren image clung to the name for ages.

Lou, all by itself, is become fashionable for girls, which usually makes a name LESS fashionable for boys. But Lou, like Bill or Jim, is rarely used on its own for boys anyway. (You wouldn't name a boy Frederick Lou the way that girls are named Mary Lou or, in the case of Keri Russell's new baby, Willa Lou.) Long form Louis is getting cool again and, with the Lewis spelling, is the Number 2 name in Scotland.

A wise ruler of legend--his sage advice helped the Greeks win the Trojan War--whose name is a possibility for the adventurous, though related in sound to the dated Lester-Hester family.

Old-school Italian names that shortens a wide range of longer names, making it feel much more popular than it is on its own.

The friendly and sporty feeling Nolan blends some of the best qualities of other popular boy names. With the gentle but energetic sounds of Noah, a hint of the classic Nicholas, and the cool, surname-style vibe of Greyson or Colton, it makes for a familiar and grounded choice.

Olaf is now heavily tied to the snowman from Frozen, but common nickname Olle has no such associations.

Unlike Pearl and Ruby, this is one gem name suited for boys, the final x making it sound strong and virile. Musician Iggy Azalea chose the name Onyx for her son.

Also a synonym for the Hebrew month of Iyar, which usuually falls in May, would work and play well with others like Zev and Lev.