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 most in The United States. It can occur in the variant forms:. For other potential spellings of this last name click here.

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

The last name O'Rea is the 4,908,606^th most widespread family name throughout the world. It is borne by around 1 in 455,471,620 people. This last name occurs predominantly in The Americas, where 75 percent of O'Rea reside; 69 percent reside in North America and 69 percent reside in Anglo-North America.

This last name is most frequently held in The United States, where it is borne by 11 people, or 1 in 32,950,812. In The United States O'Rea is most common in: Virginia, where 45 percent are found, Kentucky, where 18 percent are found and California, where 9 percent are found. Beside The United States O'Rea 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 holding the O'Rea surname is primarily Catholic (67%) in Ireland.