Kirby Surname Popularity in the United States

In this article we'll look at the surname Kirby and how popular it is in the United States. We'll also look at the race and ethnic origin of people in the United States who are named Kirby.

Kirby, like all of the names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Kirby surname is from the 2010 census data.

Where Does Kirby Rank in the Most Common U.S. Names?

According to the data, Kirby is ranked #633 in terms of the most common surnames in America.

The Kirby surname appeared 53,767 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 18.23 would have the surname Kirby.

We can also compare 2010 data for Kirby to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

2010 2000 Change (%)
Rank 633 577 9.26%
Count 53,767 52,473 2.44%
Proportion per 100k 18.23 19.45 -6.48%

Race and Ethnic Origin of People with the Last Name Kirby

We also have some data on the ancestry of people with the surname Kirby.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups: "White only", "Black only", "American Indian and Alaskan Native only", "Asian and Pacific Islander only", "Two or More Races", and "Hispanic".

For the most recent 2010 census data, the race/ethnic origin breakdown for Kirby was:

  • 85.90%, or 46,186 total occurrences, were "Non-Hispanic White Only".
  • 9.16%, or 4,925 total occurrences, were "Non-Hispanic Black Only".
  • 0.50%, or 269 total occurrences, were "Non-Hispanic Asian and Pacific Islander Only".
  • 0.73%, or 392 total occurrences, were "Non-Hispanic American Indian and Alaskan Native".
  • 1.78%, or 957 total occurrences, were "Non-Hispanic of Two or More Races".
  • 1.93%, or 1,038 total occurrences, were "Hispanic Origin".

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Kirby has changed in the 10 years between the two census surveys.

2010 2000 Change (%)
White 85.90% 87.47% -1.81%
Black 9.16% 8.78% 4.24%
Asian and Pacific Islander 0.50% 0.40% 22.22%
American Indian and Alaskan Native 0.73% 0.66% 10.07%
Two or More Races 1.78% 1.40% 23.90%
Hispanic 1.93% 1.29% 39.75%

Data Source(s)

All of the data on this page is sourced from the Decennial Census survey, from the United States Census Bureau.

Link To or Reference This Page

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  • "Kirby Surname Popularity in the United States". NameCensus.com. Accessed on January 27, 2022. http://namecensus.com/last-names/kirby-surname-popularity/.

  • "Kirby Surname Popularity in the United States". NameCensus.com, http://namecensus.com/last-names/kirby-surname-popularity/. Accessed 27 January, 2022

  • Kirby Surname Popularity in the United States. NameCensus.com. Retrieved from http://namecensus.com/last-names/kirby-surname-popularity/.