Explore the Family Name Ioannou

The meaning of Ioannou

Greek: patronymic from the genitive case of the personal name Iōannēs (see John). Some characteristic forenames: Greek Ioannis, Evangelos, Christos, Demos, Yiannis, Andreas, Athanasios, Christakis, Constantine, Costas, Despina, Georgios.

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

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

Based on data from the Decennial U.S. Census, the surname Ioannou has seen a rise in popularity over the past decade. In 2000, Ioannou was ranked as the 48,196th most popular surname, but by 2010, it had jumped to the 41,657th position indicating a positive change of 13.57%. The count of people bearing this surname also rose from 412 to 522 during the same period, marking an increase of 26.7%. The proportion of individuals with the Ioannou surname per 100k population also witnessed an uptick from 0.15 to 0.18, showing a growth of 20%.

	2000	2010	Change
Rank	#48,196	#41,657	13.57%
Count	412	522	26.7%
Proportion per 100k	0.15	0.18	20%

Race and Ethnicity of people with the last name Ioannou

Discussing the ethnic identity associated with the Ioannou surname, the data derived from the Decennial U.S. Census reveals that the majority identify as White. This group grew slightly from 93.45% in 2000 to 95.21% in 2010. The percentage of those identifying with two or more races dropped significantly from 3.64% to 1.34%. Those identifying as Hispanic remained relatively steady at around 2.68% in 2010, up slightly from 2.67% in 2000. There were no recorded instances of individuals identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either year.

	2000	2010	Change
White	93.45%	95.21%	1.88%
Hispanic	2.67%	2.68%	0.37%
Two or More Races	3.64%	1.34%	-63.19%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%