Colby

About Colby

Colby is an English surname name with older Scandinavian roots. It comes from place names meaning “Koli’s settlement,” combining a personal byname with a word for a farm or community. Pronounced KOHL-bee, its two syllables end with a familiar ee sound, while its history reaches from English places to American institutions and television.

A settlement name

The first part comes from Old Norse Koli, a byname connected with “coal” or “dark.” The second is býr, meaning “farm” or “settlement.” Together they identified a place associated with someone called Koli.

The place names became English surnames, and Colby later became a given name.

Kolby is a variant spelling. Cole is a possible personal shortening based on Colby’s opening sound.

Colby in American life

Colby College in Waterville, Maine, carries the surname of benefactor Gardner Colby. His $50,000 gift helped rescue the institution during financial trouble after the Civil War, and it subsequently took his name. The institution began in 1813 as the Maine Literary and Theological Institution, founded by Baptists. Its later name commemorates the man whose financial support helped it survive.

The college later moved from a constrained location between the Kennebec River and railroad tracks to Mayflower Hill. Waterville residents helped fund that new campus during the Great Depression. This educational association belongs to Colby as an inherited surname, with a specific person behind the institution’s name.

Colby is also familiar as a cheese name. In 1885, Joseph Steinwand developed the cheese near Colby, Wisconsin. Its process included washing and cooling the curd after draining the whey, helping create its mild, moist character. Here the immediate naming connection is geographical, through the Wisconsin town.

Television and a sudden rise

Colby Donaldson brought the first name to a large television audience through Survivor: The Australian Outback in 2001. He remained among the final three contestants alongside Tina and Keith.

That appearance coincided with a sharp rise in American baby-name use. Colby had been given to 1,465 boys in 2000; in 2001, the count rose to 3,859. The latter year supplied both its highest male count and its best male rank, 99th.

American popularity

The 2001 surge sits within a longer record. In 1980, 262 boys received Colby, compared with just fourteen in 1950. After the peak, use declined to 1,207 boys in 2010 and 455 in 2025, when it ranked 615th.

The spelling has also appeared for girls. Their largest annual count was 155 in 1992, and sixty girls received it in 2025. The recent American pattern is predominantly male, with a smaller continuing female record.

How popular is Colby?

In 2025, Colby ranked #615 among boys in the United States, with 455 recorded uses. The U.S. birth records first list this spelling for boys in 1888; its largest annual count was 3,859 in 2001. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.