View the most partisan surnames in The United States

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

Rosby occurs more in The United States more than any other country or territory. It may be found as a variant: Rösby. Click here for further potential spellings of this surname.

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

The last name is the 717,442^nd most commonly occurring family name throughout the world, held by approximately 1 in 17,905,518 people. The last name Rosby occurs predominantly in The Americas, where 71 percent of Rosby reside; 70 percent reside in North America and 61 percent reside in Anglo-North America. It is also the 315,345^th most commonly held given name on earth. It is borne by 688 people.

This surname is most commonly occurring in The United States, where it is carried by 236 people, or 1 in 1,535,843. In The United States it is most common in: California, where 29 percent are found, Arkansas, where 12 percent are found and Minnesota, where 10 percent are found. Outside of The United States this last name is found in 10 countries. It also occurs in Israel, where 13 percent are found and Canada, where 12 percent are found.

Rosby Family Population Trend ^{historical fluctuation}

The incidence of Rosby has changed through the years. In The United States the share of the population with the last name grew 562 percent between 1880 and 2014 and in England it fell 12 percent between 1881 and 2014.

Rosby Last Name Statistics ^demography

In The United States those holding the Rosby surname are 6.77% more likely to be registered with the Democratic Party than the national average, with 60% registered to vote for the political party.

The amount Rosby earn in different countries varies somewhat. In United States they earn 12.44% less than the national average, earning $37,781 USD per year and in Canada they earn 21.09% less than the national average, earning $39,206 CAD per year.