View the most religious surnames in Ireland

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

The surname Guillaum occurs in The United States more than any other country or territory. It may also occur in the variant forms:. For other possible spellings of this name click here.

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

The surname Guillaum is the 2,436,415^th most numerous surname in the world, held by around 1 in 117,541,063 people. The last name occurs predominantly in The Americas, where 85 percent of Guillaum live; 77 percent live in North America and 77 percent live in Anglo-North America. It is also the 561,423^rd most common first name throughout the world. It is borne by 252 people.

Guillaum is most frequent in The United States, where it is carried by 48 people, or 1 in 7,551,228. In The United States Guillaum is most numerous in: Indiana, where 31 percent are found, Ohio, where 21 percent are found and California, where 17 percent are found. Outside of The United States this surname exists in 6 countries. It is also common in France, where 8 percent are found and Haiti, where 8 percent are found.

Guillaum Family Population Trend ^{historical fluctuation}

The incidence of Guillaum has changed through the years. In The United States the number of people who held the Guillaum surname expanded 282 percent between 1880 and 2014.

Guillaum Last Name Statistics ^demography

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

In The United States those bearing the Guillaum last name are 28.23% more likely to be registered Republicans than the national average, with 75% registered with the political party.

Guillaum earn somewhat less than the average income. In United States they earn 8.54% less than the national average, earning $39,462 USD per year.