View the most religious surnames in Ireland

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

The last name O'Rea occurs more in The United States more than any other country or territory. It can occur as a variant:. Click here for further potential spellings of O'Rea.

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

The last name O'Rea is the 4,908,606^th most frequently occurring surname world-wide, held by around 1 in 455,471,620 people. The surname O'Rea occurs mostly in The Americas, where 75 percent of O'Rea reside; 69 percent reside in North America and 69 percent reside 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 it is most prevalent in: Virginia, where 45 percent are found, Kentucky, where 18 percent are found and California, where 9 percent are found. Not including The United States this surname is found in 2 countries. It also occurs in England, where 31 percent are found and Venezuela, where 6 percent are found.

O'Rea Family Population Trend ^{historical fluctuation}

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

O'Rea Last Name Statistics ^demography

The religious adherence of those bearing the last name is chiefly Catholic (67%) in Ireland.