What does Colby mean?
Colby \c(o)-lby, col-by\ as a boys' name is pronounced KOHL-bee. It is of Old Norse origin, and the meaning of Colby is "swarthy person's settlement". From the personal name Koli (from "kol" meaning "charcoal"). There was a 1980s television series "The Colbys". See also Kolby.
For more information, see also the related boy name Colton.
Colby has 1 more related variation via Kolby: Kelby▼.
Colby is a somewhat prominent first name for males (#703 out of 1220, Top 58%) and an even more prominent surname for both adults and children (#3015 out of 150436, Top 2%). (2000 U.S. Census)
Presented below is the baby name popularity of Colby for boys. Colby was first listed in 1970-1979 and reached its highest position of #99 in the U.S. in the year 2001, and is at #428 currently. (2014 Birth Statistics)
Shown below is an analysis of the popularity of Colby and related names. Colton (#65 the previous year), Kolby (#779) and Kelby are the prominent alternative forms of Colby (#428 the previous year) rated in the Top 1000. Usage of these boy names was at its apex in the year 2001 (usage of 0.606%) and has become significantly lower since (usage 0.432%, down 28.7%), with the versions Kolby and Kelby becoming less trendy. Colton (#65) and Colby (#428) are two of the more trendy baby names in this compilation. (2014 Birth Statistics)