Where Does The Last Name Colby Come From? ^{nationality or country of origin}

The surname Colby (Arabic: كولبـي) is found in The United States more than any other country or territory. It can also appear in the variant forms:. For other potential spellings of Colby click here.

How Common Is The Last Name Colby? ^{popularity and diffusion}

This last name is the 30,652^nd most commonly used family name at a global level, borne by approximately 1 in 418,368 people. This surname occurs mostly in The Americas, where 90 percent of Colby live; 90 percent live in North America and 89 percent live in Anglo-North America. It is also the 38,039^th most widely held first name worldwide, held by 19,835 people.

This surname is most prevalent in The United States, where it is carried by 14,904 people, or 1 in 24,320. In The United States it is primarily concentrated in: California, where 10 percent live, Massachusetts, where 7 percent live and New York, where 5 percent live. Beside The United States Colby occurs in 63 countries. It also occurs in England, where 5 percent live and Canada, where 4 percent live.

Colby Family Population Trend ^{historical fluctuation}

The occurrence of Colby has changed through the years. In The United States the share of the population with the surname grew 281 percent between 1880 and 2014; in England it grew 146 percent between 1881 and 2014; in Ireland it grew 178 percent between 1901 and 2014; in Scotland it grew 167 percent between 1881 and 2014 and in Wales it declined 44 percent between 1881 and 2014.

Colby Last Name Statistics ^demography

The religious adherence of those holding the Colby last name is principally Anglican (86%) in Ireland.

In The United States those holding the Colby surname are 6.92% more likely to be registered with the Republican Party than the national average, with 53.69% registered with the political party.

The amount Colby earn in different countries varies somewhat. In South Africa they earn 3.43% more than the national average, earning R 245,796 per year; in United States they earn 7.37% more than the national average, earning $46,329 USD per year and in Canada they earn 13.17% more than the national average, earning $56,224 CAD per year.