One syllable

Grey is the more common spelling in Britain and Australia. This color name has a softness and ambiguity which makes it equally lovely for a boy or a girl.

No, we don't consider Jane too plain. In fact, for a venerable and short one-syllable name, we think it packs a surprising amount of punch, as compared to the related Jean and Joan.

Mae, a sweet and springlike old-fashioned name, hadn't been on the national charts in forty years, but finally made it back in 2010. Mae is derived from May, the month name that was chosen for its connection to Maia, the Roman goddess of growth and motherhood.

The original oddball celebrity baby name, via Frank Zappa's daughter Moon Unit, who claims she's always liked it.

Wren, a lilting songbird name, could be the next Robin. Wren entered the Top 1000 for the first time in 2012 and is among the new wave of popular English names for girls.