View the most religious surnames in Ireland

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

O'Neile occurs in Australia more than any other country or territory. It can also occur as:. For other potential spellings of O'Neile click here.

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

This last name is the 1,471,719^th most widely held family name at a global level It is held by around 1 in 50,607,958 people. The surname O'Neile occurs mostly in Oceania, where 72 percent of O'Neile are found; 72 percent are found in Australasia and 72 percent are found in Australia and New Zealand.

The last name is most common in Australia, where it is carried by 103 people, or 1 in 262,094. In Australia it is most prevalent in: New South Wales, where 90 percent reside, Queensland, where 9 percent reside and Tasmania, where 1 percent reside. Without taking into account Australia O'Neile exists in 6 countries. It is also common in England, where 15 percent reside and Northern Ireland, where 12 percent reside.

O'Neile Family Population Trend ^{historical fluctuation}

The frequency of O'Neile has changed over time. In England the number of people who held the O'Neile surname decreased 78 percent between 1881 and 2014; in The United States it decreased 97 percent between 1880 and 2014 and in Scotland it decreased 80 percent between 1881 and 2014.

O'Neile Last Name Statistics ^demography

The religious adherence of those bearing the surname is principally Catholic (87%) in Ireland.