Polish: habitational name for someone from a place called Kostki in Świętokrzyskie Masovian and Podlaskie (unidentified near town of Kolno) voivodeships.
Source: Dictionary of American Family Names 2nd edition, 2022
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Where is the Kostecki family from?
You can see how Kostecki families moved over time by selecting different census years. The Kostecki family name was found in the USA, and Canada between 1880 and 1920. The most Kostecki families were found in USA in 1920. In 1880 there were 6 Kostecki families living in Michigan. This was 100% of all the recorded Kostecki's in USA. Michigan had the highest population of Kostecki families in 1880.
Use census records and voter lists to see where families with the Kostecki surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
In 1940, Laborer and Housewife were the top reported jobs for men and women in the USA named Kostecki. 23% of Kostecki men worked as a Laborer and 24% of Kostecki women worked as a Housewife. Some less common occupations for Americans named Kostecki were Salesman and New Worker. .
Between 1956 and 2004, in the United States, Kostecki life expectancy was at its lowest point in 1959, and highest in 1993. The average life expectancy for Kostecki in 1956 was 53, and 79 in 2004.