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

Orreilly is more commonly found in Cuba than any other country or territory. It may also be found in the variant forms:. Click here for further potential spellings of this surname.

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

The surname is the 6,723,624^th most frequent surname on a worldwide basis, borne by around 1 in 910,943,240 people. The surname occurs predominantly in The Americas, where 88 percent of Orreilly are found; 63 percent are found in Caribbean and 63 percent are found in Hispano-Caribbean.

It is most commonly used in Cuba, where it is carried by 5 people, or 1 in 2,304,543. In Cuba Orreilly is mostly concentrated in: Villa Clara Province, where 80 percent are found and Havana, where 20 percent are found. Barring Cuba it is found in 2 countries. It is also common in The United States, where 25 percent are found and Ireland, where 13 percent are found.