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

The surname O'Horgan is more commonly found in The United States than any other country or territory. It may appear in the variant forms:. Click here to see other potential spellings of this last name.

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

The last name is the 14,316,765^th most widely held surname throughout the world, held by around 1 in 2,147,483,647 people. The surname is mostly found in The Americas, where 100 percent of O'Horgan reside; 100 percent reside in North America and 100 percent reside in Anglo-North America.

The surname is most frequently used in The United States, where it is borne by 1 people, or 1 in 362,458,933. In The United States O'Horgan is primarily concentrated in: California, where 100 percent live.

O'Horgan Family Population Trend ^{historical fluctuation}

The frequency of O'Horgan has changed through the years. In The United States the share of the population with the last name fell 80 percent between 1880 and 2014.