View the most religious surnames in Ireland

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

The surname O'Dennell is carried by more people in Northern Ireland than any other country/territory. It may be found as a variant:. Click here to see other potential spellings of this name.

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

This last name is the 8,193,072^nd most frequently used last name at a global level, borne by approximately 1 in 1,457,509,183 people. The surname is mostly found in Europe, where 60 percent of O'Dennell live; 60 percent live in Northern Europe and 60 percent live in British Isles.

The surname is most numerous in Northern Ireland, where it is carried by 2 people, or 1 in 922,518. In Northern Ireland O'Dennell is primarily found in: Ulster, where 100 percent reside. Besides Northern Ireland it occurs in 3 countries. It is also common in Australia, where 20 percent reside and The United States, where 20 percent reside.

O'Dennell Family Population Trend ^{historical fluctuation}

The incidence of O'Dennell has changed over time. In The United States the number of people carrying the O'Dennell surname fell 50 percent between 1880 and 2014.

O'Dennell Last Name Statistics ^demography

The religious adherence of those holding the last name is predominantly Catholic (100%) in Ireland.