Explore the Family Name De Serio

The meaning of De Serio

Italian: patronymic from Serio, evidently a nickname from serio ‘serious, earnest’. Some characteristic forenames: Italian Giovanni, Leonardo, Marco, Sante, Vito.

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

How common is the last name De Serio in the United States?

Based on the Decennial U.S. Census data, the surname De Serio saw a decline in its popularity between 2000 and 2010. In 2000, it held rank 56,246 but fell to rank 64,559 by 2010, marking a decrease of 14.78%. Similarly, the count of people with this surname also dropped from 340 in 2000 to 308 in 2010, indicating a decrease of 9.41%. Consequently, the proportion of individuals with the De Serio surname per 100,000 people also fell from 0.13 in 2000 to 0.1 in 2010, reflecting a dip of 23.08%.

20002010Change
Rank#56,246#64,559-14.78%
Count340308-9.41%
Proportion per 100k0.130.1-23.08%

Race and Ethnicity of people with the last name De Serio

In terms of ethnicity, the Decennial U.S. Census data reveals that the majority of individuals carrying the De Serio surname identified as White, accounting for 96.76% in 2000 and slightly decreasing to 93.83% by 2010. During the same period, the percentage of those identifying as Hispanic increased notably from 2.35% to 4.87%, an increase of 107.23%. The number of De Serios identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native remained at 0% in both years. There were also no recorded instances of individuals with this surname identifying with two or more races.

20002010Change
White96.76%93.83%-3.03%
Hispanic2.35%4.87%107.23%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%