View the most partisan surnames in The United States

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

The surname Riordon is found most in The United States. It can appear as:. For other possible spellings of this last name click here.

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

Riordon is the 542,091^st most frequently used family name at a global level, borne by approximately 1 in 12,310,044 people. The surname is primarily found in The Americas, where 81 percent of Riordon are found; 81 percent are found in North America and 77 percent are found in Anglo-North America. It is also the 2,608,198^th most commonly occurring first name world-wide, borne by 18 people.

The last name Riordon is most commonly held in The United States, where it is carried by 257 people, or 1 in 1,410,346. In The United States Riordon is primarily found in: Massachusetts, where 18 percent are found, Maryland, where 13 percent are found and Texas, where 9 percent are found. Not including The United States this last name exists in 7 countries. It also occurs in Canada, where 38 percent are found and Australia, where 14 percent are found.

Riordon Family Population Trend ^{historical fluctuation}

The frequency of Riordon has changed over time. In The United States the share of the population with the last name rose 129 percent between 1880 and 2014; in Ireland it contracted 78 percent between 1901 and 2014 and in England it contracted 58 percent between 1881 and 2014.

Riordon Last Name Statistics ^demography

The religious adherence of those carrying the Riordon last name is primarily Catholic (99%) in Ireland.

In The United States those bearing the Riordon last name are 7.92% more likely to be registered with the Republican Party than The US average, with 54.69% registered with the political party.

The amount Riordon earn in different countries varies marginally. In United States they earn 16.81% more than the national average, earning $50,404 USD per year and in Canada they earn 17.5% more than the national average, earning $58,377 CAD per year.