View the most religious surnames in Ireland

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

The surname Deahan is found in England more than any other country or territory. It can also appear as:. For other possible spellings of this name click here.

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

This last name is the 4,532,898^th most prevalent family name world-wide. It is borne by around 1 in 383,555,048 people. The last name occurs predominantly in Europe, where 89 percent of Deahan are found; 89 percent are found in Northern Europe and 89 percent are found in British Isles.

The surname is most frequently held in England, where it is held by 17 people, or 1 in 3,277,533. In England it is mostly concentrated in: West Yorkshire, where 94 percent are found and Devon, where 6 percent are found. Without taking into account England Deahan is found in one country. It is also found in The United States, where 11 percent are found.

Deahan Family Population Trend ^{historical fluctuation}

The occurrence of Deahan has changed over time. In The United States the number of people bearing the Deahan last name declined 33 percent between 1880 and 2014.

Deahan Last Name Statistics ^demography

The religious devotion of those holding the surname is predominantly Catholic (100%) in Ireland.