Explore the Family Name Jacek

The meaning of Jacek

1. Polish: from the personal name Jacek, a pet form of Jacenty (from Latin Hyacinthus, Greek Hyakinthos; compare Spanish Jacinto, Italian Giacinto). The personal name was popularized in Poland through the cult of Saint Jacek, a 13th-century apostle and missionary who was sent to Kraków, where he established a Dominican friary. 2. Slovak: from the personal name Jacek, a pet form of Ján (see Jan). 3. Czech and Slovak (Jaček): from a pet form of any of the personal names beginning with Ja-, for example Jakub. Some characteristic forenames: Polish Irena, Pawel, Wojciech.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Jacek experienced a slight decrease between 2000 and 2010. In 2000, it ranked as the 67,936th most common surname, but by 2010 it had fallen to 77,012th place, representing a decline of 13.36%. The frequency count of the surname also decreased from 271 in 2000 to 249 in 2010, a reduction of 8.12%. Furthermore, the proportion of people with this surname per 100,000 individuals declined by 20%.

20002010Change
Rank#67,936#77,012-13.36%
Count271249-8.12%
Proportion per 100k0.10.08-20%

Race and Ethnicity of people with the last name Jacek

The ethnic identity associated with the surname Jacek, according to the Decennial U.S. Census data, remained largely consistent from 2000 to 2010. The majority identify as White, at 96.31% in 2000 and slightly increasing to 96.39% in 2010. A new emergence in 2010 was a small percentage identifying as Hispanic (2.01%), not previously recorded in 2000. No individuals with the surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during these years.

20002010Change
White96.31%96.39%0.08%
Hispanic0%2.01%0%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%