View the most religious surnames in Ireland

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

The surname O'Halloren occurs in Australia more than any other country/territory. It may also be found as a variant:. Click here for other possible spellings of this last name.

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

The surname O'Halloren is the 10,311,814^th most commonly held surname world-wide, borne by around 1 in 2,147,483,647 people. The surname O'Halloren is primarily found 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.

It is most commonly occurring in Australia, where it is borne by 2 people, or 1 in 13,497,850. In Australia it is mostly found in: New South Wales, where 50 percent reside and Northern Territory, where 50 percent reside. Barring Australia O'Halloren occurs in 2 countries. It is also found in The United States, where 67 percent reside and New Zealand, where 33 percent reside.

O'Halloren Family Population Trend ^{historical fluctuation}

The frequency of O'Halloren has changed through the years. In The United States the number of people who held the O'Halloren last name decreased 75 percent between 1880 and 2014.

O'Halloren Last Name Statistics ^demography

The religious devotion of those holding the last name is principally Catholic (83%) in Ireland.