Explore the Family Name Diamantis

The meaning of Diamantis

Greek: from the personal name Diamantis, a vernacular form of Adamantios, meaning ‘diamond-like’ (ultimately from classical Greek adamas ‘diamond’), or a shortened form of any of patronymics derived from this name, e.g. Diamantakis, Diamantatos, Diamantidis, or Diamantopoulos. Compare Diamant 3 and Diamond 4.

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

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

The surname Diamantis, according to the Decennial U.S. Census data, experienced a slight dip in popularity between 2000 and 2010. In 2000, Diamantis ranked 62,961 in terms of surname prevalence but by 2010 it fell to rank 65,593, representing a 4.18% decrease. Despite this, the actual count of individuals with the surname increased marginally from 297 in 2000 to 302 in 2010, marking a 1.68% growth. However, its proportion per 100,000 people saw a modest decline of 9.09% over the same period.

	2000	2010	Change
Rank	#62,961	#65,593	-4.18%
Count	297	302	1.68%
Proportion per 100k	0.11	0.1	-9.09%

Race and Ethnicity of people with the last name Diamantis

When we examine the ethnic identity associated with the Diamantis surname based on the Decennial U.S. Census, most identify as White, growing slightly from 90.24% in 2000 to 91.39% in 2010. The next largest group identifies as Hispanic, which also saw substantial growth—increasing from 5.05% in 2000 to 7.95% in 2010, a change of 57.43%. Interestingly, those identifying as having two or more races decreased to 0% in 2010 from 3.37% in 2000. No individuals with the Diamantis surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during either census year.

	2000	2010	Change
White	90.24%	91.39%	1.27%
Hispanic	5.05%	7.95%	57.43%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	3.37%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%