View the most religious surnames in Ireland

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

The last name Reillys occurs more in The United States more than any other country/territory. It can also be found in the variant forms:. Click here for further potential spellings of this last name.

How Common Is The Last Name Reillys? ^{popularity and diffusion}

Reillys is the 7,593,402^nd most widespread family name on a worldwide basis. It is borne by approximately 1 in 1,214,590,986 people. The last name Reillys occurs mostly in The Americas, where 50 percent of Reillys are found; 50 percent are found in North America and 50 percent are found in Anglo-North America.

It is most widely held in The United States, where it is carried by 3 people, or 1 in 120,819,644. In The United States Reillys is most prevalent in: Arizona, where 33 percent reside, Illinois, where 33 percent reside and Pennsylvania, where 33 percent reside. Apart from The United States Reillys occurs in 3 countries. It also occurs in Ireland, where 17 percent reside and Australia, where 17 percent reside.

Reillys Family Population Trend ^{historical fluctuation}

The occurrence of Reillys has changed over time. In Ireland the number of people bearing the Reillys last name fell 75 percent between 1901 and 2014.

Reillys Last Name Statistics ^demography

The religious adherence of those carrying the Reillys surname is primarily Catholic (100%) in Ireland.