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

The last name Orreilly is found in Cuba more than any other country/territory. It can also appear in the variant forms:. For other possible spellings of this name click here.

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

The last name Orreilly is the 6,723,624^th most common surname world-wide. It is borne by around 1 in 910,943,240 people. The surname occurs mostly in The Americas, where 88 percent of Orreilly live; 63 percent live in Caribbean and 63 percent live in Hispano-Caribbean.

It is most frequent in Cuba, where it is held by 5 people, or 1 in 2,304,543. In Cuba it is primarily concentrated in: Villa Clara Province, where 80 percent reside and Havana, where 20 percent reside. Not including Cuba Orreilly occurs in 2 countries. It also occurs in The United States, where 25 percent reside and Ireland, where 13 percent reside.