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Leff Family History

Leff Name Meaning

Americanized form of Jewish Lev .

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


Similar surnames: Leaf, Riff, Lent, Reif, Leef, Zeff, Liff, Leif, Neff, Eoff

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

Hint: Try searching for a relative alive in 1940.

Black & white image of a young woman scientist

Where is the Leff family from?

You can see how Leff families moved over time by selecting different census years. The Leff family name was found in the USA, the UK, Canada, and Scotland between 1861 and 1920. The most Leff families were found in USA in 1920. In 1911 there were 18 Leff families living in Ontario. This was about 67% of all the recorded Leff's in Canada. Ontario had the highest population of Leff families in 1911.
Use census records and voter lists to see where families with the Leff surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Leff ancestors do for a living?

In 1940, Salesman and Saleslady were the top reported jobs for men and women in the USA named Leff. 25% of Leff men worked as a Salesman and 17% of Leff women worked as a Saleslady. Some less common occupations for Americans named Leff were Proprietor and Teacher. .

View Census Data for Leff | 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.

United States shown, Canada data unavailable

Top Male Occupations In 1940

  • Salesman
    25%
  • Laborer
    7%
  • Manager
    6%
  • Proprietor
    6%

Top Female Occupations In 1940

  • Saleslady
    17%
  • Secretary
    13%
  • Clerk
    8%
  • Teacher
    8%
Black & white image of two construction labourers

What Leff family records will you find?

Census Records

There are 8,000 census records available for the last name Leff. Like a window into their day-to-day life, Leff census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search Canadian census records for Leff

Passenger Lists

There are 2,000 immigration records available for the last name Leff. Passenger lists are your ticket to knowing when your ancestors arrived in Canada, and how they made the journey - from the ship name to ports of arrival and departure.

View all Leff immigration records

Draft Cards

There are 1,000 military records available for the last name Leff. For the veterans among your Leff ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Leff military records

You've only scratched the surface of Leff family history

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What is the average Leff lifespan?

Between 1956 and 2004, in the United States, Leff life expectancy was at its lowest point in 1956, and highest in 2000. The average life expectancy for Leff in 1956 was 47, and 78 in 2004.

View Social Security Death Index (SSDI) for Leff

Discover the unique achievements of ancestors in the Leff family tree

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