View the most religious surnames in Ireland

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

O'Rea occurs in The United States more than any other country or territory. It may appear as a variant:. For other potential spellings of this surname click here.

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

O'Rea is the 4,908,606^th most commonly occurring last name world-wide, borne by around 1 in 455,471,620 people. The last name occurs predominantly in The Americas, where 75 percent of O'Rea are found; 69 percent are found in North America and 69 percent are found in Anglo-North America.

The last name O'Rea is most frequently occurring in The United States, where it is held by 11 people, or 1 in 32,950,812. In The United States O'Rea is mostly concentrated in: Virginia, where 45 percent live, Kentucky, where 18 percent live and California, where 9 percent live. Barring The United States it exists in 2 countries. It also occurs in England, where 31 percent live and Venezuela, where 6 percent live.

O'Rea Family Population Trend ^{historical fluctuation}

The frequency of O'Rea has changed over time. In The United States the share of the population with the last name increased 122 percent between 1880 and 2014.

O'Rea Last Name Statistics ^demography

The religious devotion of those carrying the O'Rea surname is principally Catholic (67%) in Ireland.