View the most religious surnames in Ireland

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

O'Niell is found most frequently in England. It can be found as a variant:. Click here for further potential spellings of this last name.

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

O'Niell is the 904,049^th most commonly held last name globally It is held by approximately 1 in 24,703,545 people. This surname is predominantly found in Europe, where 50 percent of O'Niell reside; 49 percent reside in Northern Europe and 49 percent reside in British Isles. O'Niell is also the 3,684,242^nd most commonly held first name worldwide It is held by 10 people.

This last name is most frequent in England, where it is carried by 99 people, or 1 in 562,809. In England it is most numerous in: Gloucestershire, where 16 percent are found, East Sussex, where 15 percent are found and Greater Manchester, where 13 percent are found. Aside from England this surname occurs in 14 countries. It is also found in The United States, where 26 percent are found and Australia, where 16 percent are found.

O'Niell Family Population Trend ^{historical fluctuation}

The prevalency of O'Niell has changed through the years. In England the number of people who held the O'Niell last name declined 51 percent between 1881 and 2014; in The United States it declined 68 percent between 1880 and 2014; in Ireland it declined 61 percent between 1901 and 2014 and in Scotland it declined 60 percent between 1881 and 2014.

O'Niell Last Name Statistics ^demography

The religious adherence of those carrying the surname is principally Catholic (99%) in Ireland.

The amount O'Niell earn in different countries varies greatly. In United States they earn 98.03% more than the national average, earning $85,446 USD per year and in Canada they earn 5.5% more than the national average, earning $52,415 CAD per year.