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Detlefsen Family History

Detlefsen Name Meaning

Danish North German and North Frisian: patronymic from the personal name Detlef (see Dethlefs ).

Source: Dictionary of American Family Names 2nd edition, 2022


Similar surnames: Dethlefsen, Dethlefs, Ketelsen, Ellefsen, Delfs, Jespersen, Tellefsen

Search for a relative to learn more about your family history.

Hint: Try searching for a relative alive in 1940.

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Where is the Detlefsen family from?

You can see how Detlefsen families moved over time by selecting different census years. The Detlefsen family name was found in the USA, and the UK between 1880 and 1920. The most Detlefsen families were found in USA in 1920. In 1880 there were 16 Detlefsen families living in New York. This was about 94% of all the recorded Detlefsen's in USA. New York had the highest population of Detlefsen families in 1880.
Use census records and voter lists to see where families with the Detlefsen surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Detlefsen ancestors do for a living?

In 1940, Farmer and Machine Operator were the top reported jobs for men and women in the USA named Detlefsen. 28% of Detlefsen men worked as a Farmer and 34% of Detlefsen women worked as a Machine Operator. Some less common occupations for Americans named Detlefsen were Salesman and Waitress. .

View Census Data for Detlefsen | Data not to scale

*We display top occupations by gender to maintain their historical accuracy during times when men and women often performed different jobs.

Top Male Occupations In 1940

  • Farmer
    28%
  • Truck Driver
    17%
  • Laborer
    14%
  • Salesman
    11%

Top Female Occupations In 1940

  • Machine Operator
    34%
  • Saleslady
    34%
  • Waitress
    34%
Black & white image of two construction labourers

What Detlefsen family records will you find?

Census Records

There are 2,000 census records available for the last name Detlefsen. Like a window into their day-to-day life, Detlefsen census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search US census records for Detlefsen

Passenger Lists

There are 917 immigration records available for the last name Detlefsen. Passenger lists are your ticket to knowing when your ancestors arrived in the USA, and how they made the journey - from the ship name to ports of arrival and departure.

View all Detlefsen immigration records

Draft Cards

There are 542 military records available for the last name Detlefsen. For the veterans among your Detlefsen ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Detlefsen military records

You've only scratched the surface of Detlefsen family history

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What is the average Detlefsen lifespan?

Between 1959 and 2004, in the United States, Detlefsen life expectancy was at its lowest point in 1959, and highest in 1990. The average life expectancy for Detlefsen in 1959 was 42, and 85 in 2004.

View Social Security Death Index (SSDI) for Detlefsen

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