View the most religious surnames in Ireland

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

Hennehan is most common in The United States. It may also be rendered as a variant:. Click here for further possible spellings of this last name.

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

This surname is the 14,316,765^th most frequently held surname internationally, borne by approximately 1 in 2,147,483,647 people. Hennehan is primarily found in The Americas, where 100 percent of Hennehan are found; 100 percent are found in North America and 100 percent are found in Anglo-North America.

The last name Hennehan is most widely held in The United States, where it is borne by 1 people, or 1 in 362,458,933. In The United States Hennehan is mostly found in: Oklahoma, where 100 percent are found.

Hennehan Family Population Trend ^{historical fluctuation}

The prevalency of Hennehan has changed over time. In The United States the number of people carrying the Hennehan last name declined 92 percent between 1880 and 2014.

Hennehan Last Name Statistics ^demography

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