View the most partisan surnames in The United States

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

The surname Killcoyne occurs more in The United States more than any other country or territory. It may occur as:. Click here for further possible spellings of Killcoyne.

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

This surname is the 3,274,477^th most frequently used family name globally, held by around 1 in 202,431,831 people. The surname Killcoyne is predominantly found in The Americas, where 100 percent of Killcoyne live; 100 percent live in North America and 100 percent live in Anglo-North America.

The last name is most commonly held in The United States, where it is borne by 36 people, or 1 in 10,068,304. In The United States Killcoyne is primarily concentrated in: Colorado, where 50 percent reside, Pennsylvania, where 22 percent reside and New York, where 19 percent reside.

Killcoyne Family Population Trend ^{historical fluctuation}

The prevalency of Killcoyne has changed over time. In The United States the share of the population with the surname increased 189 percent between 1880 and 2014.

Killcoyne Last Name Statistics ^demography

The religious devotion of those bearing the surname is chiefly Catholic (100%) in Ireland.

In The United States those holding the Killcoyne surname are 19.9% more likely to be registered Republicans than The US average, with 66.67% being registered to vote for the party.

Killcoyne earn somewhat less than the average income. In United States they earn 5.84% less than the national average, earning $40,631 USD per year.