View the most religious surnames in Ireland

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

The surname Heffernam is more frequently found in The United States than any other country or territory. It can also be rendered as:. Click here for other possible spellings of Heffernam.

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

The surname is the 5,391,485^th most frequently used last name throughout the world. It is borne by approximately 1 in 560,580,455 people. Heffernam is primarily found in The Americas, where 54 percent of Heffernam live; 54 percent live in North America and 54 percent live in Anglo-North America.

The last name is most frequently occurring in The United States, where it is held by 6 people, or 1 in 60,409,822. In The United States Heffernam is primarily concentrated in: New Jersey, where 33 percent reside, Maryland, where 17 percent reside and Minnesota, where 17 percent reside. Not including The United States this last name is found in 4 countries. It also occurs in Australia, where 31 percent reside and Ireland, where 8 percent reside.

Heffernam Family Population Trend ^{historical fluctuation}

The incidence of Heffernam has changed over time. In The United States the number of people who held the Heffernam last name rose 200 percent between 1880 and 2014; in Ireland it declined 83 percent between 1901 and 2014 and in England it declined 83 percent between 1881 and 2014.

Heffernam Last Name Statistics ^demography

The religious adherence of those carrying the surname is primarily Catholic (100%) in Ireland.

Heffernam earn less than half the average income. In United States they earn 53.79% less than the national average, earning $19,938 USD per year.