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

The last name O'Flannery is found in The United States more than any other country/territory. It can also occur as:. Click here to see other possible spellings of this name.

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

O'Flannery is the 6,723,624^th most frequently used last name world-wide, held by around 1 in 910,943,240 people. It is mostly found in The Americas, where 100 percent of O'Flannery are found; 100 percent are found in North America and 100 percent are found in Anglo-North America.

This surname is most common in The United States, where it is held by 8 people, or 1 in 45,307,367. In The United States it is primarily concentrated in: New York, where 50 percent reside, Florida, where 38 percent reside and District of Columbia, where 13 percent reside. Without taking into account The United States it occurs in one country. It also occurs in Ireland, where 13 percent reside.