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

The last name Orreilly occurs more in Cuba more than any other country or territory. It may be found as a variant:. Click here for other potential spellings of this name.

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

The surname is the 6,723,624^th most prevalent surname throughout the world, borne by approximately 1 in 910,943,240 people. The surname occurs predominantly in The Americas, where 88 percent of Orreilly reside; 63 percent reside in Caribbean and 63 percent reside in Hispano-Caribbean.

The surname Orreilly is most frequent in Cuba, where it is carried by 5 people, or 1 in 2,304,543. In Cuba it is most frequent in: Villa Clara Province, where 80 percent live and Havana, where 20 percent live. Other than Cuba it exists in 2 countries. It is also common in The United States, where 25 percent live and Ireland, where 13 percent live.