Explore the Family Name Bily

The meaning of Bily

Czech (Bílý and Bilý) and Slovak (Bilý, also Bíly); Ukrainian and Rusyn (standard transliteration Bilyy): nickname for a fair-haired man, from Czech (and Slovak dialect) bílý, Ukrainian and Rusyn bilyy ‘white’. Compare Bila and Billie 3.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Bily in the United States?

Based on the Decennial U.S. Census, the surname Bily has seen a slight decline in popularity over the last decade. In 2000, it was the 43,157th most common surname with 472 people carrying the name. However, by 2010, its ranking had fallen to 48,347 and the count declined to 437, representing a change of -12.03% and -7.42% respectively. Consequently, the proportion of people named Bily per 100k also fell from 0.17% in 2000 to 0.15% in 2010, marking an approximate decrease of 11.76%.

	2000	2010	Change
Rank	#43,157	#48,347	-12.03%
Count	472	437	-7.42%
Proportion per 100k	0.17	0.15	-11.76%

Race and Ethnicity of people with the last name Bily

In regards to ethnicity, data from the Decennial U.S. Census shows that the majority of individuals with the surname Bily identify as White, with this number slightly increasing from 94.92% in 2000 to 95.42% in 2010. There is a small representation of Hispanic identity, which slightly decreased from 2.75% in 2000 to 2.52% in 2010. Interestingly, there was a new emergence of individuals identifying as two or more races by 2010, although the percentage remains small at 1.14%. There were no recorded instances of individuals with the surname Bily identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either 2000 or 2010.

	2000	2010	Change
White	94.92%	95.42%	0.53%
Hispanic	2.75%	2.52%	-8.36%
Two or More Races	0%	1.14%	0%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%