View the most religious surnames in Ireland

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

McIroy is found in The United States more than any other country or territory. It can also appear as a variant:. Click here to see other possible spellings of McIroy.

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

This last name is the 6,723,624^th most frequently occurring surname globally It is held by approximately 1 in 910,943,240 people. McIroy occurs predominantly in The Americas, where 63 percent of McIroy reside; 63 percent reside in North America and 63 percent reside in Anglo-North America.

This surname is most prevalent in The United States, where it is borne by 5 people, or 1 in 72,491,787. In The United States it is primarily found in: Illinois, where 80 percent are found and California, where 20 percent are found. Aside from The United States McIroy is found in 3 countries. It also occurs in England, where 13 percent are found and Scotland, where 13 percent are found.

McIroy Family Population Trend ^{historical fluctuation}

The frequency of McIroy has changed through the years. In The United States the number of people who held the McIroy last name fell 17 percent between 1880 and 2014.

McIroy Last Name Statistics ^demography

The religious adherence of those holding the surname is chiefly Presbyterian (67%) in Ireland.