German: nickname for a person with a joyful nature from Middle High German ōstertac ‘Easter Day’ or for someone who may have owed rent or tax on that day.
Source: Dictionary of American Family Names 2nd edition, 2022
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Where is the Ostertag family from?
You can see how Ostertag families moved over time by selecting different census years. The Ostertag family name was found in the USA, the UK, and Canada between 1840 and 1920. The most Ostertag families were found in USA in 1880. In 1911 there were 25 Ostertag families living in Ontario. This was about 71% of all the recorded Ostertag's in Canada. Ontario had the highest population of Ostertag families in 1911.
Use census records and voter lists to see where families with the Ostertag surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
Between 1957 and 2004, in the United States, Ostertag life expectancy was at its lowest point in 1959, and highest in 1991. The average life expectancy for Ostertag in 1957 was 59, and 82 in 2004.