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

The last name O'Riada is more frequently found in Australia than any other country or territory. It may occur as a variant: Ó'ríada. Click here for other possible spellings of this name.

How Common Is The Last Name O'Riada? ^{popularity and diffusion}

O'Riada is the 6,723,624^th most frequently used surname on earth, borne by around 1 in 910,943,240 people. O'Riada occurs predominantly in Oceania, where 63 percent of O'Riada live; 63 percent live in Australasia and 63 percent live in Australia and New Zealand.

This last name is most numerous in Australia, where it is held by 5 people, or 1 in 5,399,140. In Australia it is most common in: Victoria, where 100 percent reside. Outside of Australia this last name occurs in 3 countries. It also occurs in Ireland, where 25 percent reside and China, where 13 percent reside.