Explore the Family Name Trombly

The meaning of Trombly

Americanized form of French Tremblay. History: Bearers of this surname are descendants of Pierre Tremblay from France (see Tremblay).

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

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

The Trombly surname has seen changes in its popularity according to the Decennial U.S. Census data. In 2000, it ranked 17,122, and by 2010, the ranking had slightly decreased to 17,613, reflecting a decline of 2.87%. However, in terms of count, there was an increase from 1,529 in 2000 to 1,595 in 2010, marking an overall growth of 4.32% within that decade. Meanwhile, the proportion of people with the Trombly surname per 100,000 decreased by 5.26%, moving from 0.57 in 2000 to 0.54 in 2010.

	2000	2010	Change
Rank	#17,122	#17,613	-2.87%
Count	1,529	1,595	4.32%
Proportion per 100k	0.57	0.54	-5.26%

Race and Ethnicity of people with the last name Trombly

When it comes to the ethnic identity associated with the Trombly surname, the Decennial U.S. Census data indicates minor fluctuations between 2000 and 2010. Individuals identifying as White represented the largest percentage, remaining almost static at 95.95% in 2000 to 95.86% in 2010, showing a slight decrease of 0.09%. The second-largest group were those of American Indian and Alaskan Native ethnicity, which decreased from 1.70% to 1.00%. There was also a small percentage decrease in those identifying as Hispanic, from 1.37% to 1.25%. Interestingly, individuals identifying with two or more races saw a significant increase from 0.59% to 1.32% during this period. The data for Asian/Pacific Islander and Black ethnicities remained unchanged, with no individuals identifying as such in both census years.

	2000	2010	Change
White	95.95%	95.86%	-0.09%
Two or More Races	0.59%	1.32%	123.73%
Hispanic	1.37%	1.25%	-8.76%
American Indian and Alaskan Native	1.7%	1%	-41.18%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%