View the most religious surnames in Ireland

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

The last name Brennan (Arabic: برنن, Russian: Бреннан) is more frequently found in The United States than any other country/territory. It can also appear in the variant forms:. For other potential spellings of this surname click here.

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

This surname is the 3,881^st most commonly held last name worldwide It is held by approximately 1 in 50,542 people. The surname Brennan occurs predominantly in The Americas, where 45 percent of Brennan are found; 44 percent are found in North America and 44 percent are found in Anglo-North America. Brennan is also the 55,309^th most widely held first name worldwide. It is borne by 11,642 people.

The last name Brennan is most commonly held in The United States, where it is carried by 69,033 people, or 1 in 5,251. In The United States it is most numerous in: Pennsylvania, where 8 percent reside, Massachusetts, where 6 percent reside and New Jersey, where 6 percent reside. Excluding The United States this last name occurs in 113 countries. It also occurs in Ireland, where 15 percent reside and England, where 14 percent reside.

Brennan Family Population Trend ^{historical fluctuation}

The occurrence of Brennan has changed through the years. In The United States the number of people who held the Brennan last name rose 577 percent between 1880 and 2014; in Ireland it rose 150 percent between 1901 and 2014; in England it rose 689 percent between 1881 and 2014; in Scotland it rose 927 percent between 1881 and 2014 and in Wales it rose 882 percent between 1881 and 2014.

Brennan Last Name Statistics ^demography

The religious adherence of those bearing the Brennan last name is principally Catholic (97%) in Ireland.

In The United States those bearing the Brennan last name are 6.13% more likely to be registered Republicans than the national average, with 52.9% registered with the political party.

The amount Brennan earn in different countries varies greatly. In Norway they earn 7.81% less than the national average, earning 319,065 kr per year; in South Africa they earn 125.66% more than the national average, earning R 536,256 per year; in United States they earn 14.75% more than the national average, earning $49,513 USD per year and in Canada they earn 6.14% more than the national average, earning $52,735 CAD per year.