View the most religious surnames in Ireland

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

The surname Kilby is most common in The United States. It can also occur as a variant:. Click here for further possible spellings of this surname.

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

The last name Kilby is the 45,993^rd most frequently used surname in the world. It is borne by around 1 in 646,575 people. The surname occurs mostly in The Americas, where 57 percent of Kilby live; 57 percent live in North America and 56 percent live in Anglo-North America. It is also the 560,146^th most commonly occurring forename in the world, held by 253 people.

This surname is most widely held in The United States, where it is borne by 5,745 people, or 1 in 63,091. In The United States it is mostly found in: North Carolina, where 14 percent reside, Virginia, where 9 percent reside and Tennessee, where 9 percent reside. Besides The United States this surname is found in 52 countries. It is also found in England, where 24 percent reside and Australia, where 13 percent reside.

Kilby Family Population Trend ^{historical fluctuation}

The frequency of Kilby has changed over time. In The United States the number of people carrying the Kilby last name rose 720 percent between 1880 and 2014; in England it rose 166 percent between 1881 and 2014; in Wales it rose 644 percent between 1881 and 2014 and in Ireland it declined 67 percent between 1901 and 2014.

Kilby Last Name Statistics ^demography

The religious devotion of those bearing the surname is predominantly Catholic (50%) in Ireland.

In The United States Kilby are 29.94% more likely to be registered Republicans than the national average, with 76.71% being registered with the political party.

The amount Kilby earn in different countries varies greatly. In South Africa they earn 43.4% more than the national average, earning R 340,764 per year; in United States they earn 5.19% less than the national average, earning $40,908 USD per year and in Canada they earn 8.49% less than the national average, earning $45,464 CAD per year.