View the most partisan surnames in The United States

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

The last name Deffley occurs most in The United States. It may occur as:. Click here for further potential spellings of Deffley.

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

Deffley is the 933,049^th most widespread surname globally. It is borne by around 1 in 25,842,361 people. This last name occurs mostly in Europe, where 48 percent of Deffley are found; 48 percent are found in Northern Europe and 48 percent are found in British Isles.

This last name is most common in The United States, where it is held by 146 people, or 1 in 2,482,595. In The United States Deffley is mostly concentrated in: Pennsylvania, where 21 percent reside, Rhode Island, where 11 percent reside and Massachusetts, where 9 percent reside. Outside of The United States this last name is found in 5 countries. It also occurs in England, where 43 percent reside and Scotland, where 4 percent reside.

Deffley Family Population Trend ^{historical fluctuation}

The prevalency of Deffley has changed through the years. In The United States the number of people bearing the Deffley surname grew 768 percent between 1880 and 2014; in England it grew 605 percent between 1881 and 2014 and in Ireland it fell 80 percent between 1901 and 2014.

Deffley Last Name Statistics ^demography

The religious devotion of those carrying the Deffley last name is primarily Catholic (100%) in Ireland.

In The United States those holding the Deffley last name are 21.77% more likely to be registered with the Democratic Party than The US average, with 75% being registered to vote for the political 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.