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 borne by more people in Northern Ireland than any other country or territory. It can be rendered as:. For other possible spellings of O'Dennell click here.

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 on earth It is held by approximately 1 in 1,457,509,183 people. This surname occurs mostly in Europe, where 60 percent of O'Dennell are found; 60 percent are found in Northern Europe and 60 percent are found in British Isles.

The last name O'Dennell is most commonly used in Northern Ireland, where it is held by 2 people, or 1 in 922,518. In Northern Ireland O'Dennell is most numerous in: Ulster, where 100 percent are found. Besides Northern Ireland O'Dennell exists in 3 countries. It is also common in Australia, where 20 percent are found and The United States, where 20 percent are found.

O'Dennell Family Population Trend ^{historical fluctuation}

The prevalency of O'Dennell has changed through the years. In The United States the number of people carrying the O'Dennell surname declined 50 percent between 1880 and 2014.

O'Dennell Last Name Statistics ^demography

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