View the most religious surnames in Ireland

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

O'Heara is borne by more people in Northern Ireland than any other country/territory. It may also occur as:. For other potential spellings of this name click here.

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

This last name is the 6,723,624^th most commonly used last name on earth. It is borne by approximately 1 in 910,943,240 people. O'Heara occurs predominantly 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.

This surname is most common in Northern Ireland, where it is borne by 8 people, or 1 in 230,630. In Northern Ireland O'Heara is most frequent in: Ulster, where 100 percent are found. Aside from Northern Ireland this surname is found in 2 countries. It also occurs in Ireland, where 13 percent are found and The United States, where 13 percent are found.

O'Heara Family Population Trend ^{historical fluctuation}

The prevalency of O'Heara has changed through the years. In Ireland the share of the population with the surname 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 surname is primarily Catholic (100%) in Ireland.