View the most partisan surnames in The United States

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

Killby is most common in Canada. It may also be rendered as a variant:. For other potential spellings of this surname click here.

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

Killby is the 2,034,059^th most commonly occurring family name at a global level It is held by approximately 1 in 85,735,834 people. The last name occurs mostly in The Americas, where 94 percent of Killby live; 94 percent live in North America and 94 percent live in Anglo-North America.

Killby is most commonly occurring in Canada, where it is held by 55 people, or 1 in 669,920. In Canada it is most frequent in: Ontario, where 98 percent are found and British Columbia, where 2 percent are found. Apart from Canada this last name is found in 5 countries. It is also found in The United States, where 29 percent are found and England, where 2 percent are found.

Killby Family Population Trend ^{historical fluctuation}

The frequency of Killby has changed through the years. In The United States the number of people carrying the Killby surname rose 500 percent between 1880 and 2014 and in England it declined 97 percent between 1881 and 2014.

Killby Last Name Statistics ^demography

In The United States those holding the Killby surname are 28.23% more likely to be registered with the Republican Party than The US average, with 75% being registered with the party.

The amount Killby earn in different countries varies notably. In United States they earn 30.65% more than the national average, earning $56,375 USD per year and in Canada they earn 7.4% more than the national average, earning $53,359 CAD per year.