View the most religious surnames in Ireland

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

The last name O'Carolan is carried by more people in Ireland than any other country/territory. It may also occur as:. For other potential spellings of this name click here.

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

O'Carolan is the 2,460,878^th most widespread family name throughout the world. It is borne by around 1 in 119,467,966 people. This surname is predominantly found in Europe, where 92 percent of O'Carolan live; 92 percent live in Northern Europe and 92 percent live in British Isles.

The surname is most widespread in Ireland, where it is borne by 24 people, or 1 in 196,206. In Ireland O'Carolan is mostly found in: Leinster, where 88 percent live, Ulster, where 83 percent live and Connaught, where 4 percent live. Other than Ireland this surname occurs in 4 countries. It is also common in Northern Ireland, where 31 percent live and England, where 21 percent live.

O'Carolan Family Population Trend ^{historical fluctuation}

The frequency of O'Carolan has changed over time. In Ireland the share of the population with the last name increased 343 percent between 1901 and 2014 and in England it increased 217 percent between 1881 and 2014.

O'Carolan Last Name Statistics ^demography

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