View the most partisan surnames in The United States

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

The last name Killby is held by more people in Canada than any other country/territory. It can also appear as:. Click here for further potential spellings of this surname.

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

The surname is the 2,034,059^th most frequently held family name in the world, borne by around 1 in 85,735,834 people. Killby is mostly found in The Americas, where 94 percent of Killby are found; 94 percent are found in North America and 94 percent are found in Anglo-North America.

It is most common in Canada, where it is carried by 55 people, or 1 in 669,920. In Canada it is most numerous in: Ontario, where 98 percent are found and British Columbia, where 2 percent are found. Without taking into account Canada this surname is found in 5 countries. It also occurs 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 who held 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 national average, with 75% registered to vote for 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.