View the most partisan surnames in The United States

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

The surname Guillou occurs in France more than any other country or territory. It can occur in the variant forms:. Click here for other potential spellings of this last name.

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

The surname is the 25,356^th most widely held last name in the world. It is borne by around 1 in 342,540 people. It is mostly found in Europe, where 96 percent of Guillou are found; 95 percent are found in Western Europe and 95 percent are found in Gallo-Europe. Guillou is also the 1,951,561^st most commonly used first name in the world. It is borne by 29 people.

Guillou is most frequently occurring in France, where it is borne by 20,302 people, or 1 in 3,272. In France it is primarily concentrated in: Brittany, where 43 percent are found, Île-de-France, where 15 percent are found and Pays de la Loire, where 14 percent are found. Without taking into account France this surname is found in 65 countries. It is also common in The United States, where 1 percent are found and Canada, where 1 percent are found.

Guillou Family Population Trend ^{historical fluctuation}

The frequency of Guillou has changed over time. In The United States the number of people carrying the Guillou surname grew 3,417 percent between 1880 and 2014; in England it grew 4,200 percent between 1881 and 2014 and in Wales it grew 500 percent between 1881 and 2014.

Guillou Last Name Statistics ^demography

In The United States those bearing the Guillou surname are 12.73% more likely to be registered Democrats than the national average, with 65.96% registered with the political party.

The amount Guillou earn in different countries varies significantly. In United States they earn 22.13% more than the national average, earning $52,699 USD per year and in Canada they earn 6.71% less than the national average, earning $46,348 CAD per year.