View the most religious surnames in Ireland

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

The surname Cirby occurs more in The United States more than any other country or territory. It may also occur as a variant:. Click here for other potential spellings of this surname.

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

The last name Cirby is the 4,649,889^th most common surname in the world. It is borne by approximately 1 in 404,863,662 people. Cirby occurs mostly in The Americas, where 100 percent of Cirby are found; 100 percent are found in North America and 100 percent are found in Anglo-North America. Cirby is also the 1,744,716^th most common first name world-wide, borne by 35 people.

Cirby is most commonly used in The United States, where it is held by 17 people, or 1 in 21,321,114. In The United States Cirby is most prevalent in: California, where 59 percent reside, Arizona, where 12 percent reside and Arkansas, where 6 percent reside. Other than The United States this last name is found in one country. It is also common in Canada, where 6 percent reside.

Cirby Family Population Trend ^{historical fluctuation}

The occurrence of Cirby has changed through the years. In The United States the number of people carrying the Cirby surname increased 131 percent between 1880 and 2014.

Cirby Last Name Statistics ^demography

The religious adherence of those holding the surname is predominantly Catholic (100%) in Ireland.

In The United States those bearing the Cirby surname are 13.23% more likely to be registered Republicans than The US average, with 60% registered to vote for the political party.

Cirby earn less than half the average income. In United States they earn 53.62% less than the national average, earning $20,014 USD per year.