View the most religious surnames in Ireland

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

The last name O'Conor occurs most in The United States. It may be found as:. Click here for further possible spellings of this name.

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

The last name O'Conor is the 565,092^nd most frequently occurring family name world-wide. It is borne by approximately 1 in 13,013,475 people. The last name occurs mostly in The Americas, where 46 percent of O'Conor live; 40 percent live in Northern Europe and 40 percent live in British Isles.

The surname O'Conor is most numerous in The United States, where it is carried by 243 people, or 1 in 1,491,601. In The United States it is most common in: Maryland, where 31 percent live, District of Columbia, where 7 percent live and New York, where 7 percent live. Without taking into account The United States this last name is found in 21 countries. It is also found in Ireland, where 23 percent live and England, where 12 percent live.

O'Conor Family Population Trend ^{historical fluctuation}

The occurrence of O'Conor has changed over time. In The United States the number of people carrying the O'Conor surname decreased 80 percent between 1880 and 2014; in Ireland it rose 168 percent between 1901 and 2014; in England it rose 130 percent between 1881 and 2014; in Scotland it decreased 67 percent between 1881 and 2014 and in Wales it decreased 67 percent between 1881 and 2014.

O'Conor Last Name Statistics ^demography

The religious adherence of those bearing the O'Conor surname is principally Catholic (86%) in Ireland.

O'Conor earn more than fifty percent more than the average income. In United States they earn 50.52% more than the national average, earning $64,948 USD per year.