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

The surname Deff (Hassaniya-Arabic: ﺍﻟﺪﻑ, Russian: Дефф) is found in Mauritania more than any other country/territory. It can be found as a variant:. Click here for other possible spellings of this surname.

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

This last name is the 1,620,164^th most commonly occurring family name on a global scale, held by around 1 in 58,770,532 people. The surname is primarily found in Africa, where 42 percent of Deff live; 38 percent live in West Africa and 38 percent live in Senegambia Africa. Deff is also the 873,022^nd most commonly held first name throughout the world, held by 115 people.

The surname Deff is most prevalent in Mauritania, where it is held by 47 people, or 1 in 87,125. In Mauritania it is most common in: Tagant Region, where 62 percent reside, Dakhlet Nouadhibou Region, where 21 percent reside and Hodh El Gharbi Region, where 11 percent reside. Without taking into account Mauritania it exists in 25 countries. It also occurs in Russia, where 31 percent reside and The United States, where 4 percent reside.

Deff Family Population Trend ^{historical fluctuation}

The incidence of Deff has changed over time. In The United States the number of people who held the Deff last name grew 500 percent between 1880 and 2014 and in England it fell 40 percent between 1881 and 2014.