View the most religious surnames in Ireland

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

Hannessy is more commonly found in The United States than any other country or territory. It can be found in the variant forms:. Click here to see other possible spellings of Hannessy.

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

Hannessy is the 10,311,814^th most commonly occurring family name at a global level, held by around 1 in 2,147,483,647 people. The last name Hannessy occurs mostly in The Americas, where 67 percent of Hannessy reside; 67 percent reside in North America and 67 percent reside in Anglo-North America. It is also the 5,493,085^th most frequent given name throughout the world, borne by 5 people.

The surname is most frequent in The United States, where it is held by 2 people, or 1 in 181,229,466. In The United States it is mostly concentrated in: California, where 100 percent are found. Outside of The United States it exists in one country. It also occurs in Australia, where 33 percent are found.

Hannessy Family Population Trend ^{historical fluctuation}

The occurrence of Hannessy has changed through the years. In The United States the number of people carrying the Hannessy last name contracted 87 percent between 1880 and 2014.

Hannessy Last Name Statistics ^demography

The religious devotion of those carrying the last name is principally Catholic (100%) in Ireland.