View the most religious surnames in Ireland

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

The surname Hennessey occurs more in The United States more than any other country or territory. It can be rendered as:. Click here to see other possible spellings of this name.

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

The last name is the 30,323^rd most commonly used surname on a worldwide basis, borne by approximately 1 in 413,666 people. This last name occurs predominantly in The Americas, where 74 percent of Hennessey live; 74 percent live in North America and 74 percent live in Anglo-North America. Hennessey is also the 986,211^th most commonly occurring forename throughout the world, held by 93 people.

This surname is most common in The United States, where it is borne by 11,499 people, or 1 in 31,521. In The United States it is mostly found in: Massachusetts, where 10 percent live, New York, where 9 percent live and California, where 8 percent live. Other than The United States Hennessey occurs in 52 countries. It is also found in England, where 13 percent live and Canada, where 10 percent live.

Hennessey Family Population Trend ^{historical fluctuation}

The frequency of Hennessey has changed over time. In The United States the share of the population with the last name rose 647 percent between 1880 and 2014; in England it rose 487 percent between 1881 and 2014; in Ireland it contracted 26 percent between 1901 and 2014; in Wales it rose 370 percent between 1881 and 2014 and in Scotland it rose 1,167 percent between 1881 and 2014.

Hennessey Last Name Statistics ^demography

The religious adherence of those bearing the last name is principally Catholic (98%) in Ireland.

In The United States Hennessey are 0.27999999999999% more likely to be registered Democrats than The US average, with 52.95% being registered with the party.

The amount Hennessey earn in different countries varies greatly. In South Africa they earn 137.89% more than the national average, earning R 565,320 per year; in Colombia they earn 17.29% less than the national average, earning $18,777,300 COP per year; in United States they earn 12.46% more than the national average, earning $48,524 USD per year and in Canada they earn 3.67% less than the national average, earning $47,859 CAD per year.