View the most religious surnames in Ireland

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

The last name O'Halloren has its highest incidence in Australia. It may be rendered as a variant:. Click here to see other potential spellings of O'Halloren.

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

The surname is the 10,311,814^th most widely held surname on a worldwide basis, held by approximately 1 in 2,147,483,647 people. The surname occurs predominantly in Oceania, where 100 percent of O'Halloren are found; 100 percent are found in Australasia and 100 percent are found in Australia and New Zealand.

The surname is most frequently held in Australia, where it is held by 2 people, or 1 in 13,497,850. In Australia it is primarily concentrated in: New South Wales, where 50 percent are found and Northern Territory, where 50 percent are found. Excluding Australia this last name occurs in 2 countries. It is also found in The United States, where 67 percent are found and New Zealand, where 33 percent are found.

O'Halloren Family Population Trend ^{historical fluctuation}

The prevalency of O'Halloren has changed over time. In The United States the number of people bearing the O'Halloren surname contracted 75 percent between 1880 and 2014.

O'Halloren Last Name Statistics ^demography

The religious adherence of those carrying the O'Halloren last name is predominantly Catholic (83%) in Ireland.