View the most partisan surnames in The United States

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

Killcoyne is more commonly found in The United States than any other country or territory. It can also appear as:. Click here for further potential spellings of Killcoyne.

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

The surname Killcoyne is the 3,274,477^th most common surname on a global scale, held by around 1 in 202,431,831 people. The surname Killcoyne is mostly found in The Americas, where 100 percent of Killcoyne live; 100 percent live in North America and 100 percent live in Anglo-North America.

This surname is most commonly occurring in The United States, where it is carried by 36 people, or 1 in 10,068,304. In The United States Killcoyne is most prevalent in: Colorado, where 50 percent live, Pennsylvania, where 22 percent live and New York, where 19 percent live.

Killcoyne Family Population Trend ^{historical fluctuation}

The frequency of Killcoyne has changed through the years. 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 predominantly Catholic (100%) in Ireland.

In The United States those bearing the Killcoyne last name are 19.9% more likely to be registered with the Republican Party 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.