Explore the Family Name Costain

The meaning of Costain

1. Manx: from a shortened form of Mac Austein, ‘son of Austein’, which might represent an unrecorded Old Norse personal name Authsteinn, from authr ‘wealth’ + steinn ‘stone’ or a Scandinavianized form of Latin Augustinus (see Augustin), with substitution of Old Norse -steinn. 2. English and Scottish: variant of Costin. 3. Americanized form of Dutch Kosten.

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

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

Based on the Decennial U.S. Census, the popularity of the surname Costain has seen a slight increase between 2000 and 2010. In 2000, the surname was ranked 60,390th in popularity and rose to 58,042nd by 2010, marking a 3.89% change. The count of people bearing this name also increased from 312 to 350 during this period, a rise of 12.18%. However, the proportion of individuals with this surname per 100,000 remained constant at 0.12.

	2000	2010	Change
Rank	#60,390	#58,042	3.89%
Count	312	350	12.18%
Proportion per 100k	0.12	0.12	0%

Race and Ethnicity of people with the last name Costain

Turning our attention to the ethnic identity of those carrying the Costain surname, we see based on the data from the Decennial U.S. Census that there were very few changes between 2000 and 2010. In both years, the overwhelming majority of Costains identified as White, although this percentage did decrease slightly from 96.47% to 95.43%. There was also a small emergence of Costains identifying with two or more races in 2010, accounting for 1.43% of all Costains. Other ethnicities such as Asian/Pacific Islander, Hispanic, Black, and American Indian and Alaskan Native either remained at zero or were suppressed for privacy reasons.

	2000	2010	Change
White	96.47%	95.43%	-1.08%
Two or More Races	0%	1.43%	0%
Asian/Pacific Islander	0%	0%	0%
Hispanic	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%