Explore the Family Name Treinen

The meaning of Treinen

German: metronymic from a short form of the personal name Katrein, a shortened form of Katharina, German form of Catherine.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Treinen has seen a slight increase over the decade from 2000 to 2010. In 2000, the surname was ranked 36,807 in popularity with a count of 572 people having this last name. By 2010, the rank had climbed slightly to 36,736 while the count rose to 608 individuals, representing a 6.29% increase. Despite these changes, the proportion of people with the surname Treinen per 100,000 remained constant at 0.21.

	2000	2010	Change
Rank	#36,807	#36,736	0.19%
Count	572	608	6.29%
Proportion per 100k	0.21	0.21	0%

Race and Ethnicity of people with the last name Treinen

The ethnic identity associated with the surname Treinen also experienced some shifts between 2000 and 2010, according to the Decennial U.S. Census data. In 2000, a significant majority (97.55%) of those bearing the surname identified as White, followed by modest percentages identifying as Asian/Pacific Islander and Hispanic, each at 0.87%. However, by 2010, while the majority still identified as White (95.23%), there was a notable emergence of individuals identifying with two or more races (2.47%) and an increase in those identifying as Hispanic (1.32%). The proportion identifying as Asian/Pacific Islander dropped to zero during this period. There were no individuals identified as Black or American Indian and Alaskan Native in either census year.

	2000	2010	Change
White	97.55%	95.23%	-2.38%
Two or More Races	0%	2.47%	0%
Hispanic	0.87%	1.32%	51.72%
Asian/Pacific Islander	0.87%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%