View the most partisan surnames in The United States

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

The surname Cosnahan is borne by more people in The United States than any other country/territory. It can be rendered as a variant:. Click here for further possible spellings of this surname.

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

This surname is the 1,465,390^th most commonly used surname globally, borne by approximately 1 in 50,258,937 people. This surname occurs mostly in The Americas, where 94 percent of Cosnahan reside; 94 percent reside in North America and 94 percent reside in Anglo-North America.

The last name is most numerous in The United States, where it is borne by 137 people, or 1 in 2,645,686. In The United States it is mostly concentrated in: Georgia, where 48 percent live, South Carolina, where 9 percent live and Florida, where 7 percent live. Not including The United States it is found in 2 countries. It is also common in England, where 5 percent live and New Zealand, where 1 percent live.

Cosnahan Family Population Trend ^{historical fluctuation}

The occurrence of Cosnahan has changed through the years. In The United States the share of the population with the last name expanded 1,522 percent between 1880 and 2014 and in England it expanded 117 percent between 1881 and 2014.

Cosnahan Last Name Statistics ^demography

In The United States Cosnahan are 42.97% more likely to be registered with the Republican Party than The US average, with 89.74% being registered with the party.

Cosnahan earn somewhat less than the average income. In United States they earn 9.43% less than the national average, earning $39,078 USD per year.