Explore the Family Name Casiano

The meaning of Casiano

Spanish: from the personal name Casiano, from the Roman name Cassianus (see Cassano). Some characteristic forenames: Spanish Juan, Jose, Carlos, Julio, Miguel, Angel, Manuel, Jesus, Luis, Aurelio, Francisco, Aida.

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

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

The Casiano surname has seen a significant increase in popularity between the 2000 and 2010 Decennial U.S. Census periods. The rank of the surname improved from 7607 to 6349, indicating a positive change of about 16.54 percent. This growth is also reflected in the count of individuals bearing the surname, which rose from 4030 in 2000 to 5369 in 2010—an impressive increase of 33.23 percent. Consequently, the proportion of individuals with the surname Casiano per 100,000 people also increased by 22.15 percent during this period.

	2000	2010	Change
Rank	#7,607	#6,349	16.54%
Count	4,030	5,369	33.23%
Proportion per 100k	1.49	1.82	22.15%

Race and Ethnicity of people with the last name Casiano

When it comes to the ethnicity of individuals bearing the Casiano surname, data from the Decennial U.S. Census shows that most identify as Hispanic. Between 2000 and 2010, the percentage of Casianos identifying as Hispanic increased from 84.79 percent to 86.22 percent. While there were decreases in other ethnic identities including Asian/Pacific Islander, Two or more races, White, Black, and American Indian and Alaskan Native, none of these groups originally represented more than 8.64 percent of the total people with the Casiano surname. It's important to note some percentages may have been suppressed for privacy reasons.

	2000	2010	Change
Hispanic	84.79%	86.22%	1.69%
White	8.64%	8.14%	-5.79%
Asian/Pacific Islander	4%	3.73%	-6.75%
Black	1.51%	0.91%	-39.74%
Two or More Races	0.89%	0.86%	-3.37%
American Indian and Alaskan Native	0.17%	0.15%	-11.76%