One of the simplest, most down-to-earth yet evocative of the word names, which could work — especially as a middle.

Cool, serene name of the Egyptian river can make a fresh choice for a girl. The origin of river name Nile relates to the Arabic and ancient Hebrew word for dark blue or indigo; in ancient Egyptian, its literal meaning is river.

Kerr, a simple, unusual unisex middle-name choice, can be pronounced either car or kehr.

Tay is occasionally used on its own, or as a nickname for the now fading Taylor.

Skater Tai Babilonia brought this sleek modern name to the world's attention. Pronounced "tie."

Hip new middle-name choice, conjuring up the gothic tales of Edgar Allan, and current single-named pop singer Poe. As a first name, it's radically underused, given last year in the US to only five baby boys and no baby girls.

This nature name hasn't escaped the hippie dippy air of others like River or Sky.

With the growing popularity of Celia and Cecilia, this vintage canasta-playing nickname name could be due for a comeback.