Explore the Family Name Kilday
The meaning of Kilday
1. Irish (Galway): Anglicized form of Gaelic Mac Giolla Dhé ‘son of the servant of God’, from Dia ‘God’. The name originated with a monastic family in Donegal in the 11th century and has always been more or less confined to northwestern Ireland, where it is usually written Kildea. 2. Scottish: variant of Kelday, a habitational name from Keldall in Holm (Orkney). 3. Irish: variant of Gildea. Some characteristic forenames: Irish Kieran.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kilday in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname "Kilday" saw a slight decrease from 2000 to 2010. In 2000, it ranked 32,338 in popularity and fell to 34,032 in 2010, reflecting a 5.24% decline. The count of individuals bearing this surname also dipped slightly from 671 in 2000 to 668 in 2010, marking a 0.45% drop. Similarly, the proportion per 100k people with this surname declined by 8% over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #32,338 | #34,032 | -5.24% |
| Count | 671 | 668 | -0.45% |
| Proportion per 100k | 0.25 | 0.23 | -8% |
Race and Ethnicity of people with the last name Kilday
On the other hand, the ethnic identity associated with "Kilday" experienced some changes between 2000 and 2010, according to the Decennial U.S. Census data. People identifying as White made up the majority of those with this surname, although their percentage fell slightly from 97.32% in 2000 to 96.41% in 2010. The number of individuals identifying as Hispanic increased from 1.19% in 2000 to 2.54% in 2010, a significant increase of 113.45%. Additionally, there was a population that identified as belonging to two or more races in 2000, but it was not present in 2010. No changes were observed for Asian/Pacific Islander, Black, and American Indian and Alaskan Native categories as their proportions remained at zero during both census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.32% | 96.41% | -0.94% |
| Hispanic | 1.19% | 2.54% | 113.45% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 1.34% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |