View the most partisan surnames in The United States

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

Deffley is found most frequently in The United States. It can also be rendered as:. Click here to see other possible spellings of this surname.

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

Deffley is the 933,049^th most frequently occurring family name worldwide, borne by approximately 1 in 25,842,361 people. The surname is predominantly found in Europe, where 48 percent of Deffley live; 48 percent live in Northern Europe and 48 percent live in British Isles.

It is most prevalent in The United States, where it is borne by 146 people, or 1 in 2,482,595. In The United States it is primarily concentrated in: Pennsylvania, where 21 percent live, Rhode Island, where 11 percent live and Massachusetts, where 9 percent live. Excluding The United States this surname is found in 5 countries. It is also found in England, where 43 percent live and Scotland, where 4 percent live.

Deffley Family Population Trend ^{historical fluctuation}

The frequency of Deffley has changed over time. In The United States the number of people bearing the Deffley surname rose 768 percent between 1880 and 2014; in England it rose 605 percent between 1881 and 2014 and in Ireland it fell 80 percent between 1901 and 2014.

Deffley Last Name Statistics ^demography

The religious adherence of those holding the last name is chiefly Catholic (100%) in Ireland.

In The United States those bearing the Deffley last name are 21.77% more likely to be registered with the Democratic Party than the national average, with 75% being registered with the party.

Deffley earn notably more than the average income. In United States they earn 18.23% more than the national average, earning $51,016 USD per year.