View the most religious surnames in Ireland

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

The last name Costllo is found most frequently in The United States. It may be rendered in the variant forms:. For other possible spellings of this surname click here.

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

The surname Costllo is the 10,311,814^th most common family name on a global scale. It is borne by around 1 in 2,147,483,647 people. Costllo occurs predominantly in The Americas, where 67 percent of Costllo reside; 67 percent reside in North America and 67 percent reside in Anglo-North America.

The surname is most commonly occurring in The United States, where it is borne by 2 people, or 1 in 181,229,466. In The United States Costllo is most numerous in: Connecticut, where 50 percent live and New Mexico, where 50 percent live. Beside The United States Costllo occurs in one country. It is also found in The Philippines, where 33 percent live.

Costllo Family Population Trend ^{historical fluctuation}

The incidence of Costllo has changed through the years. In The United States the number of people bearing the Costllo last name declined 85 percent between 1880 and 2014.

Costllo Last Name Statistics ^demography

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