Explore the Family Name Diak

The meaning of Diak

1. Hungarian (Diák): variant of Deák (see Deak), an occupational name for a scribe or a cleric. This surname is also found in Slovakia. 2. Polish: variant of Dziak. 3. Scottish: variant of the Aberdeenshire surname Diack, of uncertain derivation. According to Black, the name was traditionally thought to have been taken to Scotland from Denmark or to be a local (Aberdeenshire) variant of Dick.

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

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

According to the Decennial U.S. Census, the surname "Diak" has seen a decrease in popularity within the past decade. In 2000, Diak ranked 75,938 in popularity with 236 individuals bearing the name, equating to about 0.09 per 100,000 people. By 2010, the rank had dropped to 93,921 and the count of those with the surname had also decreased to 195 - a decline of 17.37%. This resulted in the proportion per 100,000 people dropping to 0.07, a fall of 22.22% from the previous decade.

20002010Change
Rank#75,938#93,921-23.68%
Count236195-17.37%
Proportion per 100k0.090.07-22.22%

Race and Ethnicity of people with the last name Diak

The ethnicity distribution for the surname Diak has also seen some notable changes in the same period according to the Decennial U.S. Census. In 2000, 91.95% of individuals with the surname identified as White, while 2.97% were of two or more races, the same percentage identified as Hispanic, and 2.12% identified as Black. There were no individuals who identified as Asian/Pacific Islander or American Indian and Alaskan Native. A decade later in 2010, the ethnic identity shifted noticeably with 97.44% identifying as White and no individuals identifying as two or more races, Hispanic, or Black. The percentages for Asian/Pacific Islander and American Indian and Alaskan Native remained at zero.

20002010Change
White91.95%97.44%5.97%
Asian/Pacific Islander0%0%0%
Two or More Races2.97%0%-100%
Hispanic2.97%0%0%
Black2.12%0%0%
American Indian and Alaskan Native0%0%0%