View the most religious surnames in Ireland

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

McGillacuddy is found most in The United States. It can occur as:. Click here for other potential spellings of this last name.

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

The surname McGillacuddy is the 8,968,613^th most frequently occurring surname on a worldwide basis It is held by around 1 in 1,821,886,479 people. McGillacuddy is predominantly found in The Americas, where 50 percent of McGillacuddy are found; 50 percent are found in North America and 50 percent are found in Anglo-North America.

The surname McGillacuddy is most numerous in The United States, where it is held by 2 people, or 1 in 181,229,466. In The United States McGillacuddy is mostly found in: New York, where 50 percent are found and Texas, where 50 percent are found. Beside The United States this last name is found in 2 countries. It is also common in Ireland, where 25 percent are found and Spain, where 25 percent are found.

McGillacuddy Family Population Trend ^{historical fluctuation}

The occurrence of McGillacuddy has changed through the years. In The United States the number of people carrying the McGillacuddy last name decreased 67 percent between 1880 and 2014 and in Ireland it decreased 80 percent between 1901 and 2014.

McGillacuddy Last Name Statistics ^demography

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