Essential Skills for New Genealogists 3 of 12: U.S. Census Records from 1790-1950 and Beyond

Dave Mc Donald
Jun 5, 2026
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About this webinar

Background on census creation; constitutionally-mandated headcount; pre-1820 tables and their use; 1830 & 1840, with the slave schedules; 1850-70, including the mortality schedules; 1880, and relationships to heads of household; 1890 and its destruction; 1900-1910, with special questions; 1920-1950 with their special characteristics (1920: date; 1940, informant’s identity, etc.).

About the speaker

Dr. David Mc Donald, The Preacher Genealogist, has been an active genealogist for nearly 50 years. He took his first client as a sophomore in high school, and taught his first classes in genealogy as ...
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Key points and insights

Unlock the secrets of your family history with this insightful recap of "US Census Records from 1790 to 1950 and Beyond," a featured presentation in the Essential Skills for New Genealogists series hosted by Legacy Family Tree Webinars. Led by veteran genealogist Dave McDonald, this session dives into the cornerstone of American genealogical research: the United States federal census. Designed for both beginners looking to build a strong foundation and experienced researchers seeking a comprehensive refresher, the webinar guides viewers through 160 years of historical data. McDonald expertly demonstrates how these government headcounts, originally designed for legislative apportionment and taxation, can be transformed into dynamic timelines that track an ancestor’s life, family growth, and geographic movement across decades.

Here are the key takeaways from the presentation:

  • Track Quarry Across the Decades: A single census entry only provides a snapshot in time; the true power of census research lies in tracking a family systematically every ten years to bracket lifespans, observe the arrival or loss of children, and map out migration patterns.
  • Analyze the Whole Page and Community Context: Ancestors did not live in isolation, so researchers must analyze neighboring households to uncover interconnected networks of intermarrying families, step-relationships, and hidden proximity clues.
  • Leverage Special Schedules and Marginalia: Vital clues often hide outside standard population fields, meaning researchers can glean unique details from pre-1850 tick marks, 1840 Revolutionary War pensioner listings, historical mortality schedules, and non-nominal slave schedules.

To truly elevate your research skills and learn how to make these silent historical records "sing," viewing the full webinar is highly recommended. Witnessing the step-by-step analysis of real family case studies across the generations provides an invaluable practical framework for your own brick walls. Additionally, genealogists are encouraged to explore the extensive, 17-page syllabus accompanying the session, which is packed with deep-dive footnotes, finding aids, and expert methodology designed to maximize your breakthrough potential.

Comments (38)

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  1. JP
    Jan Pennington
    17 days ago

    I am not American but quite few of my relatives emigrated to the United States (and two died in the Civil War), this webinar will be of use to me, particularly from about 1850 onwards. I am not a beginner genealogist for my ancestors in Britain, but I am less knowledgeable about researching in the United States, so the whole series are of interest to me.

  2. CL
    Clara Lawver
    17 days ago

    Absolutely must do again! I appreciated having the syllabus ahead of time to read line-by-line. Thank you Dave Mc Donald from another Mc Donald descendant in Nebraska. Clara Lawver.

    1
  3. PB
    Patricia Briggs
    17 days ago

    What a great webinar! Really useful to see the progression of a family through the years. The syllabus is so amazing with all the information one could possibly need. Thanks Dave.

  4. PH
    Patricia Harrison
    17 days ago

    Dave, gave a lot of useful info & clues that I hadn’t realized that I could use.

  5. LS
    LORI SCHLICK
    17 days ago

    This was so informative. Definitely helped me understand the census records. I'm looking forward to the next session on Newspapers!!

  6. AO
    Anastasia Olson
    17 days ago

    Excellent review of census records through the decades, and how to interpret them.

  7. DC
    Donna Chavarro
    17 days ago

    Excellent webinar! Following 1 to 2 families across the years - added a lot of context. Thanks!

  8. GH
    Gloria Hughes
    17 days ago

    Fantastic! Dave breaks the information down so clearly. I cannnot wait for the next one.

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