View the most partisan surnames in The United States

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

The surname Duffley has its highest incidence in The United States. It may also be found as:. For other potential spellings of this name click here.

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

This last name is the 919,444^th most commonly held surname internationally, held by approximately 1 in 25,303,979 people. The surname Duffley is mostly found in The Americas, where 97 percent of Duffley reside; 96 percent reside in North America and 95 percent reside in Anglo-North America.

The last name is most frequently used in The United States, where it is carried by 200 people, or 1 in 1,812,295. In The United States it is most frequent in: Massachusetts, where 24 percent live, California, where 12 percent live and Illinois, where 11 percent live. Outside of The United States this last name exists in 4 countries. It is also found in Canada, where 26 percent live and England, where 2 percent live.

Duffley Family Population Trend ^{historical fluctuation}

The occurrence of Duffley has changed over time. In The United States the number of people who held the Duffley last name expanded 909 percent between 1880 and 2014; in England it expanded 117 percent between 1881 and 2014 and in Ireland it expanded 200 percent between 1901 and 2014.

Duffley Last Name Statistics ^demography

The religious adherence of those carrying the Duffley surname is chiefly Catholic (100%) in Ireland.

In The United States those bearing the Duffley last name are 14.27% more likely to be registered Democrats than the national average, with 67.5% being registered with the party.

The amount Duffley earn in different countries varies notably. In United States they earn 33.17% more than the national average, earning $57,461 USD per year and in Canada they earn 8.72% more than the national average, earning $54,017 CAD per year.