View the most religious surnames in Ireland

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

The last name O'Heara is found in Northern Ireland more than any other country/territory. It can also appear as a variant:. For other potential spellings of this surname click here.

How Common Is The Last Name O'Heara? ^{popularity and diffusion}

The surname is the 6,723,624^th most prevalent family name on a worldwide basis, held by approximately 1 in 910,943,240 people. The last name O'Heara occurs mostly in Europe, where 113 percent of O'Heara are found; 113 percent are found in Northern Europe and 113 percent are found in British Isles.

The surname is most frequently occurring in Northern Ireland, where it is carried by 8 people, or 1 in 230,630. In Northern Ireland it is primarily concentrated in: Ulster, where 100 percent live. Beside Northern Ireland O'Heara occurs in 2 countries. It also occurs in Ireland, where 13 percent live and The United States, where 13 percent live.

O'Heara Family Population Trend ^{historical fluctuation}

The incidence of O'Heara has changed through the years. In Ireland the number of people carrying the O'Heara last name decreased 83 percent between 1901 and 2014 and in The United States it decreased 90 percent between 1880 and 2014.

O'Heara Last Name Statistics ^demography

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