Explore the Family Name St. Croix

The meaning of St. Croix

French (Sainte-Croix): habitational name from any of the places called Sainte-Croix (from a Christian religious dedication to Sainte-Croix ‘the Holy Cross’) or a nickname, perhaps ironic, derived from the same religious term. Some characteristic forenames: French Andre, Armand, Camille.

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

How common is the last name St. Croix in the United States?

Based on the Decennial U.S. Census data, the surname St. Croix has seen a rise in popularity between 2000 to 2010. Its rank rose from 54,880 to 51,610, marking an increase of 5.96 percent. The count, which represents the number of people with the surname, also saw an increase from 351 to 403 during this period, boasting an impressive growth of 14.81 percent. Additionally, the proportion of individuals with the St. Croix surname per 100,000 people increased by 7.69 percent.

20002010Change
Rank#54,880#51,6105.96%
Count35140314.81%
Proportion per 100k0.130.147.69%

Race and Ethnicity of people with the last name St. Croix

When examining the ethnic identity associated with the surname St. Croix, it's evident that there's been a noteworthy shift over the decade as per the Decennial U.S. Census. While those identifying as White went down from 90.60 percent to 78.91 percent, there was a significant surge in the Hispanic and Black communities. The Hispanic representation increased by 132.16 percent, going from 1.71 percent to 3.97 percent. Even more prominent was the increase in the Black community, which rose by 219.67 percent from 4.27 percent to 13.65 percent. Individuals identifying with two or more races decreased by approximately 35 percent. There were no reported changes in the Asian/Pacific Islander and American Indian and Alaskan Native communities.

20002010Change
White90.6%78.91%-12.9%
Black4.27%13.65%219.67%
Hispanic1.71%3.97%132.16%
Two or More Races2.28%1.49%-34.65%
Asian/Pacific Islander0%0%0%
American Indian and Alaskan Native0%0%0%