View the most religious surnames in Ireland

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

The last name O'Dennell is borne by more people in Northern Ireland than any other country or territory. It can also occur as a variant:. Click here for other possible spellings of this name.

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

The last name is the 8,193,072^nd most widely held surname internationally, borne by approximately 1 in 1,457,509,183 people. The last name occurs predominantly in Europe, where 60 percent of O'Dennell reside; 60 percent reside in Northern Europe and 60 percent reside in British Isles.

The surname is most frequent in Northern Ireland, where it is borne by 2 people, or 1 in 922,518. In Northern Ireland it is mostly found in: Ulster, where 100 percent are found. Other than Northern Ireland this last name is found in 3 countries. It also occurs in Australia, where 20 percent are found and The United States, where 20 percent are found.

O'Dennell Family Population Trend ^{historical fluctuation}

The incidence of O'Dennell has changed through the years. In The United States the share of the population with the surname decreased 50 percent between 1880 and 2014.

O'Dennell Last Name Statistics ^demography

The religious adherence of those carrying the O'Dennell last name is principally Catholic (100%) in Ireland.