is colby a boy or girl name
[ 2 syll. col-by, co-lby ] The baby boy name Colby is sometimes used as a girl name. Its pronunciation is K AA L-Biy-or K OW L-Biy- â . Colby is used predominantly in the English language and its origin is Old English. The name is of the meaning coal town, Cola's town, Koli's town.
Colby is fairly popular as a baby name for boys. The name's popularity jumped from the 1960s up to the 2000s; before that, it was of sporadic use only. At the modest height of its usage in 2001, 0.187% of baby boys were given the name Colby.