Explore the Family Name Sefton

The meaning of Sefton

English (Lancashire): habitational name from Sefton (Lancashire), probably from Old Norse sef ‘sedge, rush’ + Old English tūn ‘farmstead, estate’.

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

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

Based on the data from the Decennial U.S. Census, the surname Sefton has seen a decrease in popularity over a decade. In 2000, Sefton was ranked 21,727 and by 2010, it had dropped to rank 26,282, marking a decline of nearly 21%. The count of individuals with this surname also reduced from 1,117 people in 2000 to 929 people in 2010, a decrease of approximately 17%. Similarly, the proportion of people with the surname Sefton per 100,000 population decreased by around 24%, from 0.41 in 2000 to 0.31 in 2010.

	2000	2010	Change
Rank	#21,727	#26,282	-20.96%
Count	1,117	929	-16.83%
Proportion per 100k	0.41	0.31	-24.39%

Race and Ethnicity of people with the last name Sefton

The ethnic identity associated with the surname Sefton also underwent some changes between 2000 and 2010 according to the Decennial U.S. Census data. The largest group, those identifying as White, saw a negligible decrease from 95.61% in 2000 to 95.16% in 2010. While there were no reported individuals of Asian/Pacific Islander descent with the surname in 2010, the Hispanic representation increased by about 32%, rising from 1.88% in 2000 to 2.48% in 2010. Those identifying with two or more races experienced a slight decrease of about 4%, and for the first time in 2010, Black ethnic identity appeared among the Sefton population at 0.65%. Data regarding American Indian and Alaskan Native remained suppressed for privacy reasons.

	2000	2010	Change
White	95.61%	95.16%	-0.47%
Hispanic	1.88%	2.48%	31.91%
Two or More Races	1.34%	1.29%	-3.73%
Black	0%	0.65%	0%
Asian/Pacific Islander	0.9%	0%	0%
American Indian and Alaskan Native	0%	0%	0%