Glenn appealed to a lot of post-World War II parents for its cool, leafy image, also calling up the Big Band sounds of Glenn Miller and the calm, composed image of actor Glenn Ford, whose name at birth was the Welsh Gwyllyn. It could possible be in line for a comeback in the more nature-evoking spelling of Glen, as used by Glen Campbell, or possibly even the Welsh Glyn.

While actress Glenn Close didn't inspire many parents to give their daughters her name in particular, she did help launch a general trend toward boy names for girls.