View the most religious surnames in Ireland

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

The last name Guilfoil occurs more in The United States more than any other country/territory. It can also be rendered as:. Click here for other possible spellings of this name.

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

The surname Guilfoil is the 529,538^th most prevalent last name worldwide It is held by approximately 1 in 11,927,244 people. The last name Guilfoil occurs mostly in The Americas, where 99 percent of Guilfoil are found; 99 percent are found in North America and 99 percent are found in Anglo-North America.

The surname Guilfoil is most common in The United States, where it is carried by 585 people, or 1 in 619,588. In The United States Guilfoil is mostly concentrated in: New York, where 14 percent live, Michigan, where 9 percent live and Massachusetts, where 8 percent live. Without taking into account The United States Guilfoil occurs in 4 countries. It also occurs in Canada, where 4 percent live and Australia, where 0 percent live.

Guilfoil Family Population Trend ^{historical fluctuation}

The frequency of Guilfoil has changed over time. In The United States the number of people carrying the Guilfoil surname rose 522 percent between 1880 and 2014.

Guilfoil Last Name Statistics ^demography

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

In The United States those bearing the Guilfoil last name are 1.95% more likely to be registered with the Democratic Party than The US average, with 51.28% being registered to vote for the political party.

The amount Guilfoil earn in different countries varies somewhat. In United States they earn 20.04% more than the national average, earning $51,798 USD per year and in Canada they earn 10.84% more than the national average, earning $55,071 CAD per year.