View the most religious surnames in Ireland

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

The surname Hannessy is found most frequently in The United States. It can also be rendered as a variant:. For other potential spellings of this surname click here.

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

The surname Hannessy is the 10,311,814^th most frequently occurring surname world-wide It is held by approximately 1 in 2,147,483,647 people. Hannessy occurs mostly in The Americas, where 67 percent of Hannessy live; 67 percent live in North America and 67 percent live in Anglo-North America. Hannessy is also the 5,493,085^th most common first name in the world. It is 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 Hannessy is found in one country. It is also found in Australia, where 33 percent are found.

Hannessy Family Population Trend ^{historical fluctuation}

The frequency of Hannessy has changed over time. In The United States the share of the population with the last name declined 87 percent between 1880 and 2014.

Hannessy Last Name Statistics ^demography

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