View the most religious surnames in Ireland

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

O'Heara occurs most in Northern Ireland. It can also be found in the variant forms:. For other potential spellings of this name click here.

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

The surname O'Heara is the 6,723,624^th most frequent family name internationally, held by approximately 1 in 910,943,240 people. This last name occurs mostly in Europe, where 113 percent of O'Heara reside; 113 percent reside in Northern Europe and 113 percent reside in British Isles.

O'Heara is most widespread in Northern Ireland, where it is carried by 8 people, or 1 in 230,630. In Northern Ireland O'Heara is most numerous in: Ulster, where 100 percent reside. Barring Northern Ireland it occurs in 2 countries. It is also found in Ireland, where 13 percent reside and The United States, where 13 percent reside.

O'Heara Family Population Trend ^{historical fluctuation}

The frequency of O'Heara has changed over time. In Ireland the share of the population with the 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 carrying the O'Heara last name is principally Catholic (100%) in Ireland.