View the most partisan surnames in The United States

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

Kilroy (Russian: Килрой) occurs in The United States more than any other country/territory. It can occur as a variant:. Click here to see other potential spellings of this name.

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

The last name Kilroy is the 85,099^th most frequently held last name on earth, borne by around 1 in 1,284,828 people. The surname Kilroy is primarily 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 commonly occurring given name worldwide, held by 98 people.

This last name is most numerous in The United States, where it is held by 3,465 people, or 1 in 104,606. In The United States Kilroy is most common in: Massachusetts, where 13 percent reside, California, where 10 percent reside and Pennsylvania, where 8 percent reside. Outside of The United States Kilroy occurs in 38 countries. It also occurs in England, where 19 percent reside and Ireland, where 11 percent reside.

Kilroy Family Population Trend ^{historical fluctuation}

The occurrence of Kilroy has changed over time. In The United States the share of the population with the surname expanded 483 percent between 1880 and 2014; in England it expanded 230 percent between 1881 and 2014; in Ireland it expanded 125 percent between 1901 and 2014; in Scotland it decreased 42 percent between 1881 and 2014 and in Wales it expanded 160 percent between 1881 and 2014.

Kilroy Last Name Statistics ^demography

The religious adherence of those holding the surname is chiefly 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 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.