View the most partisan surnames in The United States

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

The last name O'Halloran is borne by more people in Ireland than any other country or territory. It may occur as:. For other potential spellings of this last name click here.

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

This surname is the 37,489^th most frequently used family name on a global scale It is held by approximately 1 in 518,834 people. O'Halloran occurs predominantly in Europe, where 50 percent of O'Halloran are found; 49 percent are found in Northern Europe and 49 percent are found in British Isles.

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

O'Halloran Family Population Trend ^{historical fluctuation}

The incidence of O'Halloran has changed over time. In Ireland the number of people carrying the O'Halloran surname rose 359 percent between 1901 and 2014; in England it rose 2,163 percent between 1881 and 2014; in The United States it rose 527 percent between 1880 and 2014; in Scotland it rose 729 percent between 1881 and 2014 and in Wales it rose 306 percent between 1881 and 2014.

O'Halloran Last Name Statistics ^demography

The religious adherence of those bearing the surname is principally Catholic (98%) in Ireland.

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