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

The last name O'Morain occurs more in Ireland more than any other country/territory. It may also occur as a variant:. Click here to see other potential spellings of this name.

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

It is the 3,323,005^th most frequent last name in the world, borne by around 1 in 208,215,598 people. The surname O'Morain occurs predominantly in Europe, where 106 percent of O'Morain reside; 106 percent reside in Northern Europe and 106 percent reside in British Isles.

The last name O'Morain is most frequently held in Ireland, where it is held by 35 people, or 1 in 134,541. In Ireland O'Morain is primarily concentrated in: Leinster, where 97 percent are found and Connaught, where 3 percent are found. Outside of Ireland this last name exists in 2 countries. It is also common in The United States, where 9 percent are found and England, where 6 percent are found.

O'Morain Family Population Trend ^{historical fluctuation}

The frequency of O'Morain has changed through the years. In Ireland the number of people bearing the O'Morain last name increased 3,500 percent between 1901 and 2014.