View the most religious surnames in Ireland

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

The last name Kiergan is held by more people in The United States than any other country or territory. It can be rendered as:. Click here for further potential spellings of this last name.

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

It is the 4,649,889^th most frequent last name throughout the world, borne by approximately 1 in 404,863,662 people. It is predominantly found in The Americas, where 94 percent of Kiergan reside; 94 percent reside in North America and 94 percent reside in Anglo-North America.

The surname Kiergan is most commonly held in The United States, where it is held by 17 people, or 1 in 21,321,114. In The United States Kiergan is primarily found in: Indiana, where 47 percent live, California, where 41 percent live and Illinois, where 12 percent live. Aside from The United States it exists in one country. It also occurs in The Philippines, where 6 percent live.

Kiergan Family Population Trend ^{historical fluctuation}

The prevalency of Kiergan has changed over time. In The United States the share of the population with the last name rose 425 percent between 1880 and 2014.

Kiergan Last Name Statistics ^demography

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

In The United States those holding the Kiergan last name are 26.77% more likely to be registered with the Democratic Party than The US average, with 80% being registered to vote for the party.

Kiergan earn a lot more than the average income. In United States they earn 37.03% more than the national average, earning $59,125 USD per year.