View the most religious surnames in Ireland

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

The surname O'Galligan is found most in Ireland. It can occur in the variant forms:. Click here for other possible spellings of this name.

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

The last name O'Galligan is the 8,968,613^th most prevalent surname in the world. It is borne by around 1 in 1,821,886,479 people. This last name is mostly found in Europe, where 150 percent of O'Galligan are found; 150 percent are found in Northern Europe and 150 percent are found in British Isles.

This last name is most commonly occurring in Ireland, where it is carried by 4 people, or 1 in 1,177,235. In Ireland it is most frequent in: Leinster, where 50 percent reside and Munster, where 25 percent reside. Outside of Ireland it occurs in one country. It is also common in England, where 50 percent reside.

O'Galligan Family Population Trend ^{historical fluctuation}

The occurrence of O'Galligan has changed through the years. In Ireland the number of people who held the O'Galligan surname increased 133 percent between 1901 and 2014.

O'Galligan Last Name Statistics ^demography

The religious devotion of those holding the O'Galligan last name is predominantly Catholic (67%) in Ireland.