Zoe is one of those surprising names that has been on the Top 1000 nearly every year since 1880, but it's only since the turn of this century that it's ranked in the Top 100.

Kyle is still appreciated by thousands of parents each year for its combination of simplicity, strength, and style; it was in the Top 20 for most of the nineties. As a Scottish surname, it dates back to the fifteenth century.

Botanical choice that can work for either gender. Simple and straightforward. Caveats: rue means "regret" in English, and "street" in French. Now in the Top 1000 in England and Wales for girls and trending upwards in the US, it is nevertheless still given to a handful of boys each year. It could equally work as a nickname for a Ruben, Rudy, or a Rupert.

Kay, a cigarette-smoking, nightclubbing name of the 1930's, could be ready for a comeback along with cousins May/Mae and Ray/Rae.