View the most religious surnames in Ireland

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

O'Dennell occurs in Northern Ireland more than any other country or territory. It may be found as:. Click here for further possible spellings of this surname.

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

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

It is most frequently held in Northern Ireland, where it is carried by 2 people, or 1 in 922,518. In Northern Ireland O'Dennell is mostly concentrated in: Ulster, where 100 percent are found. Excluding Northern Ireland it exists 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 frequency of O'Dennell has changed through the years. In The United States the number of people carrying the O'Dennell surname decreased 50 percent between 1880 and 2014.

O'Dennell Last Name Statistics ^demography

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