View the most religious surnames in Ireland

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

The surname O'Regan occurs more in Ireland more than any other country/territory. It may appear as:. For other possible spellings of this surname click here.

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

The last name is the 47,851^st most prevalent surname globally, borne by approximately 1 in 674,960 people. This surname is mostly found in Europe, where 74 percent of O'Regan live; 73 percent live in Northern Europe and 73 percent live in British Isles. O'Regan is also the 1,717,090^th most frequently occurring first name worldwide. It is borne by 36 people.

The surname O'Regan is most frequently used in Ireland, where it is borne by 5,870 people, or 1 in 802. In Ireland O'Regan is primarily found in: Munster, where 68 percent reside, Leinster, where 18 percent reside and Connaught, where 4 percent reside. Apart from Ireland this last name exists in 46 countries. It is also found in England, where 17 percent reside and Australia, where 12 percent reside.

O'Regan Family Population Trend ^{historical fluctuation}

The frequency of O'Regan has changed over time. In Ireland the number of people bearing the O'Regan surname increased 496 percent between 1901 and 2014; in England it increased 3,479 percent between 1881 and 2014; in The United States it increased 462 percent between 1880 and 2014 and in Wales it increased 1,050 percent between 1881 and 2014.

O'Regan Last Name Statistics ^demography

The religious devotion of those holding the last name is predominantly Catholic (100%) in Ireland.

The amount O'Regan earn in different countries varies greatly. In United States they earn 67.25% more than the national average, earning $72,166 USD per year and in Canada they earn 3.23% more than the national average, earning $51,290 CAD per year.