View the highest/lowest earning families in The United States

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

The surname O'Casey is found in Ireland more than any other country/territory. It can also be rendered as a variant:. For other possible spellings of this last name click here.

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

The last name is the 2,106,139^th most prevalent surname internationally, held by around 1 in 91,094,324 people. The last name O'Casey occurs mostly in Europe, where 51 percent of O'Casey reside; 50 percent reside in Northern Europe and 49 percent reside in British Isles.

This surname is most frequent in Ireland, where it is held by 26 people, or 1 in 181,113. In Ireland O'Casey is mostly found in: Leinster, where 81 percent are found and Munster, where 4 percent are found. Excluding Ireland this last name exists in 7 countries. It is also common in The United States, where 33 percent are found and Australia, where 16 percent are found.

O'Casey Family Population Trend ^{historical fluctuation}

The incidence of O'Casey has changed over time. In England the share of the population with the last name grew 1,300 percent between 1881 and 2014.

O'Casey Last Name Statistics ^demography

O'Casey earn more than fifty percent more than the average income. In United States they earn 69.95% more than the national average, earning $73,333 USD per year.