View the most religious surnames in Ireland

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

O'Holleran is found most frequently in The United States. It may be rendered in the variant forms:. For other possible spellings of this surname click here.

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

This last name is the 2,843,861^st most commonly held family name internationally It is held by approximately 1 in 155,054,168 people. This last name is mostly found in The Americas, where 64 percent of O'Holleran live; 64 percent live in North America and 64 percent live in Anglo-North America.

The surname O'Holleran is most prevalent in The United States, where it is borne by 31 people, or 1 in 11,692,224. In The United States O'Holleran is primarily found in: California, where 16 percent live, Nebraska, where 16 percent live and Illinois, where 13 percent live. Apart from The United States it exists in 2 countries. It also occurs in Scotland, where 34 percent live and England, where 2 percent live.

O'Holleran Family Population Trend ^{historical fluctuation}

The frequency of O'Holleran has changed over time. In The United States the number of people carrying the O'Holleran surname grew 620 percent between 1880 and 2014.

O'Holleran Last Name Statistics ^demography

The religious devotion of those bearing the O'Holleran surname is predominantly Catholic (100%) in Ireland.