View the most religious surnames in Ireland

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

The last name O'Dolan occurs more in Ireland more than any other country/territory. It may be rendered as:. For other possible spellings of O'Dolan click here.

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

This surname is the 2,661,929^th most frequent surname at a global level, borne by around 1 in 137,500,866 people. This surname occurs predominantly in Europe, where 104 percent of O'Dolan reside; 100 percent reside in Northern Europe and 100 percent reside in British Isles.

It is most numerous in Ireland, where it is carried by 26 people, or 1 in 181,113. In Ireland O'Dolan is most prevalent in: Leinster, where 58 percent reside, Connaught, where 38 percent reside and Ulster, where 8 percent reside. Other than Ireland it exists in 6 countries. It also occurs in England, where 43 percent reside and Scotland, where 6 percent reside.

O'Dolan Family Population Trend ^{historical fluctuation}

The frequency of O'Dolan has changed over time. In Ireland the number of people bearing the O'Dolan surname grew 104 percent between 1901 and 2014.

O'Dolan Last Name Statistics ^demography

The religious devotion of those holding the surname is predominantly Catholic (100%) in Ireland.