Explore the Family Name Janos

The meaning of Janos

1. Hungarian (János): from the personal name János, from Latin Johannes (see John). 2. Slovak (Jánoš, also Janoš), Czech (Janoš, also Jánoš), and Polish: derivative of the personal name Jan (Slovak Ján) ‘John’ or, in some cases, from a Slavicized form of the Hungarian cognate János (see above). In North America, this surname may also be an altered form of the Polish variant Janosz.

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

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

Based on the Decennial U.S. Census, the surname Janos saw a decrease in popularity from 2000 to 2010. In 2000, the name was ranked 28,166th most common in the United States. By 2010, it had slipped to 31,107th place, a drop of 10.44%. The number of people with this surname also decreased over this period, from 800 in 2000 to 746 in 2010, a reduction of 6.75%. The proportion of people named Janos per 100,000 also decreased by 16.67%, from 0.3 to 0.25.

	2000	2010	Change
Rank	#28,166	#31,107	-10.44%
Count	800	746	-6.75%
Proportion per 100k	0.3	0.25	-16.67%

Race and Ethnicity of people with the last name Janos

The ethnic identity associated with the surname Janos, as derived from the Decennial U.S. Census, remained predominantly white from 2000 to 2010. Over 95% of those bearing this surname identified as white, though this percentage did see a slight decrease of 0.46%. The number of individuals identifying as Hispanic increased by 36.89%, moving from 2.25% to 3.08% over the decade. Those identifying as two or more races decreased significantly, dropping by 40.71% from 1.13% to 0.67%. There were no individuals with the Janos surname who identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either year.

	2000	2010	Change
White	95.88%	95.44%	-0.46%
Hispanic	2.25%	3.08%	36.89%
Two or More Races	1.13%	0.67%	-40.71%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%