View the most partisan surnames in The United States

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

The surname Kilroy (Russian: Килрой) is more commonly found in The United States than any other country/territory. It may occur as a variant:. Click here for other possible spellings of this name.

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

This surname is the 85,099^th most prevalent family name world-wide It is held by approximately 1 in 1,284,828 people. The surname Kilroy is mostly found in The Americas, where 64 percent of Kilroy reside; 64 percent reside in North America and 64 percent reside in Anglo-North America. Kilroy is also the 956,749^th most prevalent forename throughout the world, borne by 98 people.

This last name is most commonly held in The United States, where it is borne by 3,465 people, or 1 in 104,606. In The United States Kilroy is primarily concentrated in: Massachusetts, where 13 percent are found, California, where 10 percent are found and Pennsylvania, where 8 percent are found. Apart from The United States this surname is found in 38 countries. It is also common in England, where 19 percent are found and Ireland, where 11 percent are found.

Kilroy Family Population Trend ^{historical fluctuation}

The prevalency of Kilroy has changed through the years. In The United States the number of people carrying the Kilroy last name increased 483 percent between 1880 and 2014; in England it increased 230 percent between 1881 and 2014; in Ireland it increased 125 percent between 1901 and 2014; in Scotland it decreased 42 percent between 1881 and 2014 and in Wales it increased 160 percent between 1881 and 2014.

Kilroy Last Name Statistics ^demography

The religious adherence of those bearing the Kilroy last name is primarily Catholic (93%) in Ireland.

In The United States those holding the Kilroy last name are 4.05% more likely to be registered with the Democratic Party than The US average, with 57.28% being registered with the political party.

The amount Kilroy earn in different countries varies somewhat. In United States they earn 19.51% more than the national average, earning $51,568 USD per year and in Canada they earn 12.6% more than the national average, earning $55,942 CAD per year.