The sweetest and most sensitive of the pet names for Elizabeth, now also one of the most dated.

Amy was a 1970s favorite, and French spelling Aimee peaked in the same decade. Today, about 1500 baby girls are still named Amy every year in the US, versus about 150 named Aimee.

Liza's heyday was the mid-1970s, following on the heels of super-popular sister Lisa. But thanks to the fact that it never became superpopular, Liza remains a name not especially tied to one generation or style.

Kristen may be somewhat past its fashion high point, but it remains forever crystalline clear. Possible problem: confusion with the similar Scandinavian names Kristin, Kirsten, Kirstie, et al.

The Reid spelling is surprisingly more popular than the naturey Reed for both boys and girls, though more than 95% of little Reids are male.