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Clyde William Tombaugh (1906 - 1997)

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Clyde William Tombaugh
Born in Streator, Illinois, United Statesmap
Ancestors ancestors
Brother of
Husband of — married about [location unknown]
[children unknown]
Died in Las Cruces, New Mexico, United Statesmap
Profile last modified | Created 18 Aug 2018
This page has been accessed 41 times.

Categories: Notables.


Clyde Tombaugh is notable.
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Clyde William Tombaugh was an American astronomer and the discoverer Pluto in 1930. He also discovered an object in what would later be identified as the Kuiper belt. Tombaugh also discovered many asteroids. He repeatedly asked for serious research of unidentified flying objects (UFOs).

Tombaugh was the son of Muron Dealvo Tombaugh, a farmer, and his wife Adella Pearl Chritton.

On 29 Apr 1910 at the time of the 1910 US Census, head of household Muron D. Tombaugh (age 29, born in IL) was employed as a Farmer and living on a farm he rented in Reading, Illinois with his wife Adela P. Tombaugh (age 25, born in IL), their son Clyde W. Tombaugh (age 4, born in IL), daughter Ester Tombaugh (age 1, born in IL), and father Jacob L. Tombaugh (age 70, born in PA). Muron and Adela had been married for 8 years; Adela had given birth to five children, five of whom were alive at that time. Muron's father was born in Pennsylvania and his mother in New York; Adela's father was born in Indiana and her mother in Illinois. [1]

On 20 Apr 1940 at the time of the 1940 US Census, head of household Clyde W. Tombaugh (age 34, born in IL) was employed as an Assistant Astronomer at Lowell Observatory and living in a home he rented for $25 at 368 Observatory Hill in Flagstaff, Arizona with his wife Patricia Tombaugh (age 27, born in MO). [2]

Minor planets discovered by Tombaugh:

Designation - Discovery

2839 Annette - October 5, 1929

2941 Alden - December 24, 1930

3310 Patsy - October 9, 1931

3583 Burdett - October 5, 1929

3754 Kathleen - March 16, 1931

3775 Ellenbeth - October 6, 1931

3824 Brendalee - October 5, 1929

4510 Shawna - December 13, 1930

4755 Nicky - October 6, 1931

5701 Baltuck - November 3, 1929

6618 Jimsimons - September 16, 1936

7101 Haritina - October 17, 1930

7150 McKellar - October 11, 1929

(8778) 1931 TD3 - October 10, 1931

134340 Pluto - January 23, 1930


  1. "United States Census, 1910," database with images, FamilySearch ( : accessed 28 September 2018), Clyde W Tombaugh in household of Muron D Tombaugh, Reading, Livingston, Illinois, United States; citing enumeration district (ED) ED 43, sheet 9B, family 221, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 303; FHL microfilm 1,374,316.
  2. "United States Census, 1940," database with images, FamilySearch ( : 14 March 2018), Clyde W Tombaugh, Flagstaff, Supervisorial District 1, Coconino, Arizona, United States; citing enumeration district (ED) 3-2A, sheet 14A, line 6, family 368, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 101.
  • Find A Grave, database and images [[1]]: accessed 19 August 2018, memorial page for Clyde William Tombaugh (4 Feb 1906–17 Jan 1997), Find A Grave Memorial no. 5956121, ; Maintained by Find A Grave Cremated, Other, who reports a Portion of his ashes are on the NASA New Horizons space probe that has passed several of the planets and will eventually leave our solar system.
  • 1910 Federal Census [[2]]
  • 1930 Federal Census [[3]]
  • 1940 Federal Census (adds a wife) [[4]]

See also


WikiData: Q190232 Wikidata Information Reasonator enwiki Ancestors (about wikidata)

Clyde Tombaugh, by The Editors of Encyclopaedia Britannica [[5]]

International Space Hall of Fame [[6]]

Famous Scientists [[7]]

Herbert Tardy: There is a famous paper on nucleosynthesis by Gamow and his student, Ralph Alpher. Just for laughs, they shared author credit with Hans Bethe. [[8]]

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No known carriers of Clyde's ancestors' Y-chromosome or mitochondrial DNA have taken yDNA or mtDNA tests and no close relatives have taken a 23andMe, AncestryDNA, or Family Tree DNA "Family Finder" test.

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Images: 1
Clyde and Patricia
Clyde and Patricia


Clyde is 26 degrees from Sharon Caldwell, 21 degrees from Burl Ives and 22 degrees from Victoria of the United Kingdom of Great Britain and Ireland on our single family tree. Login to find your connection.

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