Explore the Family Name Trenchard

The meaning of Trenchard

English (southwestern; of Norman origin) and French: nickname from Old French trenche, a derivative of trenchier ‘to cut, hack, slice’ (compare Trench) + the suffix -ard, for someone skilled in cutting, perhaps for a swordsman, butcher, or ditch-cutter.

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

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

According to the Decennial U.S. Census, the popularity of the surname Trenchard has seen a slight increase between 2000 and 2010. In 2000, it was ranked 50,366 in the U.S., while in 2010, it had improved to 49,268. This represents a growth rate of 2.18%. The number of individuals carrying this surname also rose from 390 to 427 during this period, a 9.49% increase. However, the proportion of people per 100,000 with the Trenchard surname remained steady at 0.14.

	2000	2010	Change
Rank	#50,366	#49,268	2.18%
Count	390	427	9.49%
Proportion per 100k	0.14	0.14	0%

Race and Ethnicity of people with the last name Trenchard

The Decennial U.S. Census data also provides insights into the ethnic identity associated with the surname Trenchard. Over the decade, there has been notable growth in the percentage of individuals identifying as two or more races, increasing from 1.54% in 2000 to 5.15% in 2010. The presence of Asian/Pacific Islander heritage within this surname group also emerged in 2010, appearing at 1.41%. Meanwhile, the percentage of those identifying as White decreased from 94.10% to 89.46%. Hispanic identification saw a modest rise, going from 3.08% to 3.28%, while Black and American Indian & Alaskan Native representation remained stable at 0%.

	2000	2010	Change
White	94.1%	89.46%	-4.93%
Two or More Races	1.54%	5.15%	234.42%
Hispanic	3.08%	3.28%	6.49%
Asian/Pacific Islander	0%	1.41%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%