Americanized form of German Dallmann . English (Derbyshire): topographic name from Middle English dal(e) ‘dale’ + man ‘man’ for an inhabitant of a valley.
Source: Dictionary of American Family Names 2nd edition, 2022
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Where is the Dallman family from?
You can see how Dallman families moved over time by selecting different census years. The Dallman family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Dallman families were found in USA in 1920. In 1911 there were 6 Dallman families living in Saskatchewan. This was about 29% of all the recorded Dallman's in Canada. Saskatchewan had the highest population of Dallman families in 1911.
Use census records and voter lists to see where families with the Dallman 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, Dallman life expectancy was at its lowest point in 1957, and highest in 1964. The average life expectancy for Dallman in 1957 was 41, and 77 in 2004.