View the most partisan surnames in The United States

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

The last name Tiernan occurs most in The United States. It can also appear as:. For other potential spellings of this surname click here.

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

The last name is the 69,213^th most frequently held surname internationally, borne by approximately 1 in 1,017,245 people. The surname is mostly found in The Americas, where 53 percent of Tiernan reside; 53 percent reside in North America and 52 percent reside in Anglo-North America. It is also the 377,962^nd most frequent first name world-wide, borne by 503 people.

The surname is most frequent in The United States, where it is borne by 3,639 people, or 1 in 99,604. In The United States Tiernan is most numerous in: New York, where 12 percent are found, California, where 12 percent are found and Iowa, where 7 percent are found. Apart from The United States this surname exists in 32 countries. It also occurs in Ireland, where 23 percent are found and England, where 15 percent are found.

Tiernan Family Population Trend ^{historical fluctuation}

The frequency of Tiernan has changed through the years. In The United States the share of the population with the last name increased 471 percent between 1880 and 2014; in Ireland it increased 153 percent between 1901 and 2014; in England it increased 1,115 percent between 1881 and 2014 and in Scotland it increased 272 percent between 1881 and 2014.

Tiernan Last Name Statistics ^demography

The religious adherence of those holding the Tiernan surname is predominantly Catholic (98%) in Ireland.

In The United States those bearing the Tiernan surname are 4.57% more likely to be registered with the Republican Party than The US average, with 51.34% being registered to vote for the party.

The amount Tiernan earn in different countries varies greatly. In South Africa they earn 69.97% less than the national average, earning R 71,364 per year; in United States they earn 17.7% more than the national average, earning $50,787 USD per year and in Canada they earn 6.34% more than the national average, earning $52,832 CAD per year.