Explore the Family Name Jansma

The meaning of Jansma

West Frisian and Dutch (mainly Groningen): patronymic, formed with the Frisian suffix -ma ‘(one of the) men of’, from a genitivized form of the personal name Jan.

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

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

The surname Jansma has seen an increase in popularity over a decade, according to the Decennial U.S. Census. In 2000, Jansma was ranked 27,595th in popularity and by 2010, it moved up in rank to 25,833rd, marking a 6.39% increase. The overall count of people with this surname grew from 822 to 953 during the same time frame, accounting for a notable 15.94% rise. The proportion of individuals with the last name Jansma also increased per 100,000 people, from 0.3 to 0.32, indicating a 6.67% change.

	2000	2010	Change
Rank	#27,595	#25,833	6.39%
Count	822	953	15.94%
Proportion per 100k	0.3	0.32	6.67%

Race and Ethnicity of people with the last name Jansma

When it comes to ethnicity, the Decennial U.S. Census data shows that the majority of people bearing the surname Jansma identify as White, with a slight increase in this demographic from 96.11% in 2000 to 96.22% in 2010. Those identifying as part of two or more ethnicities decreased from 1.58% to 0.84%, marking a substantial decrease of 46.84%. People of Hispanic ethnicity grew modestly from 1.58% to 1.89%, a change of 19.62%. Interestingly, there were no recorded individuals with the surname Jansma who identified as Asian/Pacific Islander or American Indian and Alaskan Native in either year. However, census data indicated a new emergence of Black individuals carrying the Jansma surname in 2010, which was not present in 2000's census.

	2000	2010	Change
White	96.11%	96.22%	0.11%
Hispanic	1.58%	1.89%	19.62%
Two or More Races	1.58%	0.84%	-46.84%
Black	0%	0.52%	0%
Asian/Pacific Islander	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%