View the most partisan surnames in The United States

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

The surname O'Halloran is found most in Ireland. It may be rendered as:. Click here for further possible spellings of this name.

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

The surname is the 37,489^th most widespread family name at a global level, held by approximately 1 in 518,834 people. O'Halloran occurs mostly in Europe, where 50 percent of O'Halloran live; 49 percent live in Northern Europe and 49 percent live in British Isles.

The last name O'Halloran is most numerous in Ireland, where it is borne by 4,503 people, or 1 in 1,046. In Ireland it is mostly concentrated in: Munster, where 55 percent reside, Leinster, where 26 percent reside and Connaught, where 10 percent reside. Other than Ireland this surname is found in 40 countries. It is also common in Australia, where 30 percent reside and England, where 14 percent reside.

O'Halloran Family Population Trend ^{historical fluctuation}

The frequency of O'Halloran has changed over time. In Ireland the share of the population with the last name grew 359 percent between 1901 and 2014; in England it grew 2,163 percent between 1881 and 2014; in The United States it grew 527 percent between 1880 and 2014; in Scotland it grew 729 percent between 1881 and 2014 and in Wales it grew 306 percent between 1881 and 2014.

O'Halloran Last Name Statistics ^demography

The religious devotion of those bearing the O'Halloran surname is predominantly Catholic (98%) in Ireland.

In The United States those bearing the O'Halloran surname are 53.23% more likely to be registered Republicans than The US average, with 100% registered with the party.

The amount O'Halloran earn in different countries varies markedly. In United States they earn 44.02% more than the national average, earning $62,142 USD per year and in Canada they earn 3.66% more than the national average, earning $51,502 CAD per year.