View the most religious surnames in Ireland

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

O'Farrelly is held by more people in Ireland than any other country/territory. It can be found in the variant forms:. Click here for further potential spellings of O'Farrelly.

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

O'Farrelly is the 2,605,694^th most common surname globally, borne by around 1 in 132,500,835 people. This last name occurs predominantly in Europe, where 93 percent of O'Farrelly live; 93 percent live in Northern Europe and 93 percent live in British Isles.

The last name is most widely held in Ireland, where it is borne by 42 people, or 1 in 112,118. In Ireland it is most common in: Leinster, where 50 percent live and Munster, where 38 percent live. Not including Ireland O'Farrelly exists in 4 countries. It is also common in England, where 15 percent live and The United States, where 7 percent live.

O'Farrelly Family Population Trend ^{historical fluctuation}

The prevalency of O'Farrelly has changed over time. In Ireland the number of people who held the O'Farrelly surname grew 2,100 percent between 1901 and 2014.

O'Farrelly Last Name Statistics ^demography

The religious devotion of those holding the O'Farrelly surname is primarily Catholic (100%) in Ireland.