View the most religious surnames in Ireland

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

O'Heara is found in Northern Ireland more than any other country or territory. It may 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}

It is the 6,723,624^th most numerous last name on a global scale, borne by around 1 in 910,943,240 people. The last name O'Heara occurs mostly in Europe, where 113 percent of O'Heara live; 113 percent live in Northern Europe and 113 percent live in British Isles.

O'Heara is most common in Northern Ireland, where it is held by 8 people, or 1 in 230,630. In Northern Ireland it is most prevalent in: Ulster, where 100 percent reside. Outside of Northern Ireland O'Heara occurs in 2 countries. It is also common in Ireland, where 13 percent reside and The United States, where 13 percent reside.

O'Heara Family Population Trend ^{historical fluctuation}

The occurrence of O'Heara has changed over time. In Ireland the share of the population with the surname contracted 83 percent between 1901 and 2014 and in The United States it contracted 90 percent between 1880 and 2014.

O'Heara Last Name Statistics ^demography

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