View the most religious surnames in Ireland

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

The last name Delahan occurs in Ireland more than any other country/territory. It may be rendered in the variant forms:. For other possible spellings of this name click here.

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

The last name is the 2,555,468^th most common family name worldwide It is held by approximately 1 in 127,851,683 people. The surname occurs mostly in Europe, where 51 percent of Delahan live; 51 percent live in Northern Europe and 51 percent live in British Isles. Delahan is also the 1,060,447^th most widespread first name world-wide. It is borne by 82 people.

This surname is most widely held in Ireland, where it is borne by 29 people, or 1 in 162,377. In Ireland Delahan is most common in: Leinster, where 100 percent are found. Not including Ireland this surname exists in 4 countries. It also occurs in Nigeria, where 23 percent are found and The United States, where 23 percent are found.

Delahan Family Population Trend ^{historical fluctuation}

The occurrence of Delahan has changed over time. In Ireland the number of people who held the Delahan surname rose 725 percent between 1901 and 2014 and in The United States it declined 35 percent between 1880 and 2014.

Delahan Last Name Statistics ^demography

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

Delahan earn more than double the average income. In United States they earn 132.62% more than the national average, earning $100,375 USD per year.