View the most religious surnames in Ireland

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

O'Hallaran is found in Australia more than any other country/territory. It can be found as:. Click here for further possible spellings of this last name.

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

O'Hallaran is the 5,213,395^th most commonly used surname on a worldwide basis, held by around 1 in 520,538,994 people. The last name O'Hallaran occurs mostly in The Americas, where 36 percent of O'Hallaran reside; 36 percent reside in North America and 36 percent reside in Anglo-North America.

The last name O'Hallaran is most numerous in Australia, where it is carried by 5 people, or 1 in 5,399,140. In Australia O'Hallaran is primarily concentrated in: Victoria, where 40 percent reside, Western Australia, where 40 percent reside and Queensland, where 20 percent reside. Besides Australia this surname exists in 4 countries. It is also found in The United States, where 29 percent reside and Ireland, where 21 percent reside.

O'Hallaran Family Population Trend ^{historical fluctuation}

The frequency of O'Hallaran has changed over time. In The United States the number of people carrying the O'Hallaran surname fell 84 percent between 1880 and 2014 and in England it fell 71 percent between 1881 and 2014.

O'Hallaran Last Name Statistics ^demography

The religious adherence of those bearing the O'Hallaran last name is primarily Catholic (33%) in Ireland.