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

O'Reagan occurs in Ireland more than any other country or territory. It can be rendered in the variant forms:. For other potential spellings of this surname click here.

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

O'Reagan is the 1,612,213^th most widespread family name at a global level, held by around 1 in 58,300,367 people. The last name O'Reagan occurs predominantly in Europe, where 54 percent of O'Reagan reside; 54 percent reside in Northern Europe and 54 percent reside in British Isles.

This last name is most prevalent in Ireland, where it is borne by 48 people, or 1 in 98,103. In Ireland O'Reagan is mostly concentrated in: Munster, where 71 percent live and Leinster, where 29 percent live. Beside Ireland O'Reagan occurs in 6 countries. It is also found in The United States, where 25 percent live and England, where 15 percent live.

O'Reagan Family Population Trend ^{historical fluctuation}

The frequency of O'Reagan has changed through the years. In Ireland the number of people carrying the O'Reagan surname increased 600 percent between 1901 and 2014; in The United States it decreased 58 percent between 1880 and 2014 and in England it increased 633 percent between 1881 and 2014.

O'Reagan Last Name Statistics ^demography

The religious devotion of those bearing the O'Reagan last name is predominantly Catholic (100%) in Ireland.