View the most partisan surnames in The United States

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

The surname Duffecy occurs in The United States more than any other country or territory. It may be found in the variant forms:. Click here to see other potential spellings of Duffecy.

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

The last name is the 3,602,217^th most frequently occurring family name globally, held by around 1 in 242,918,197 people. Duffecy occurs predominantly in The Americas, where 73 percent of Duffecy reside; 73 percent reside in North America and 73 percent reside in Anglo-North America.

Duffecy is most common in The United States, where it is held by 22 people, or 1 in 16,475,406. In The United States it is primarily concentrated in: Illinois, where 86 percent are found and Florida, where 14 percent are found. Outside of The United States this surname occurs in one country. It is also common in Australia, where 27 percent are found.

Duffecy Family Population Trend ^{historical fluctuation}

The incidence of Duffecy has changed over time. In The United States the number of people bearing the Duffecy surname expanded 733 percent between 1880 and 2014.

Duffecy Last Name Statistics ^demography

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

In The United States those bearing the Duffecy last name are 13.23% more likely to be registered Republicans than The US average, with 60% being registered with the political party.

Duffecy earn significantly less than the average income. In United States they earn 27.66% less than the national average, earning $31,212 USD per year.