View the highest/lowest earning families in The United States

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 be rendered in the variant forms:. For other possible spellings of Brennan click here.

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

The last name is the 3,881^st most widely held family name on a global scale. It is borne by around 1 in 50,542 people. This last name is primarily found in The Americas, where 45 percent of Brennan live; 44 percent live in North America and 44 percent live in Anglo-North America. It is also the 55,309^th most common first name internationally, borne by 11,642 people.

This last name is most widely held in The United States, where it is borne by 69,033 people, or 1 in 5,251. In The United States Brennan is most frequent in: Pennsylvania, where 8 percent live, Massachusetts, where 6 percent live and New Jersey, where 6 percent live. Not including The United States this last name occurs in 113 countries. It is also found in Ireland, where 15 percent live and England, where 14 percent live.

Brennan Family Population Trend ^{historical fluctuation}

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

Brennan Last Name Statistics ^demography

The religious devotion of those carrying the surname is primarily Catholic (97%) in Ireland.

In The United States those bearing the Brennan surname are 6.13% more likely to be registered with the Republican Party than the national average, with 52.9% registered to vote for 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.