View the most religious surnames in Ireland

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

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

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

It is the 2,460,878^th most commonly used surname world-wide, borne by around 1 in 119,467,966 people. This last name 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.

O'Carolan is most frequently held in Ireland, where it is held by 24 people, or 1 in 196,206. In Ireland O'Carolan is most numerous in: Leinster, where 88 percent reside, Ulster, where 83 percent reside and Connaught, where 4 percent reside. Outside of Ireland O'Carolan is found in 4 countries. It is also common in Northern Ireland, where 31 percent reside and England, where 21 percent reside.

O'Carolan Family Population Trend ^{historical fluctuation}

The frequency of O'Carolan has changed through the years. In Ireland the number of people who held the O'Carolan last name rose 343 percent between 1901 and 2014 and in England it rose 217 percent between 1881 and 2014.

O'Carolan Last Name Statistics ^demography

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