View the most religious surnames in Ireland

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

The surname O'Heara is held by more people in Northern Ireland than any other country or territory. It may also occur in the variant forms:. For other possible spellings of this last name click here.

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

The last name is the 6,723,624^th most prevalent family name throughout the world It is held by around 1 in 910,943,240 people. 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.

The last name is most frequently used in Northern Ireland, where it is carried by 8 people, or 1 in 230,630. In Northern Ireland O'Heara is mostly found in: Ulster, where 100 percent are found. Besides Northern Ireland O'Heara is found in 2 countries. It is also common in Ireland, where 13 percent are found and The United States, where 13 percent are found.

O'Heara Family Population Trend ^{historical fluctuation}

The occurrence of O'Heara has changed through the years. In Ireland the number of people bearing the O'Heara 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 devotion of those bearing the surname is primarily Catholic (100%) in Ireland.