View the most religious surnames in Ireland

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

The surname Reillys is more commonly found in The United States than any other country/territory. It may also be rendered as a variant:. Click here for other potential spellings of this surname.

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

The last name is the 7,593,402^nd most commonly held surname world-wide It is held by approximately 1 in 1,214,590,986 people. The surname Reillys is primarily found in The Americas, where 50 percent of Reillys reside; 50 percent reside in North America and 50 percent reside in Anglo-North America.

The surname Reillys is most prevalent in The United States, where it is held by 3 people, or 1 in 120,819,644. In The United States it is primarily found in: Arizona, where 33 percent are found, Illinois, where 33 percent are found and Pennsylvania, where 33 percent are found. Besides The United States Reillys is found in 3 countries. It also occurs in Ireland, where 17 percent are found and Australia, where 17 percent are found.

Reillys Family Population Trend ^{historical fluctuation}

The incidence of Reillys has changed through the years. In Ireland the number of people bearing the Reillys surname decreased 75 percent between 1901 and 2014.

Reillys Last Name Statistics ^demography

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