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Theodore Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alpena-County, Michigan
Our Model Tree links this Theodore Thompson across the 1920, 1930 and 1940 US Censuses in Alpena-County, Michigan (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alpena-County, Michigan |
| Surname | Thompson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Alpena City |
| 1935 Residence (County) | Alpena |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Cement Plant |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1320 |
| Highest Grade | No 12 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Draftsman |
| Township / Ward | Alpena City |
| Est. Birth Year | ~1919 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| James Thompson | Head | — | 50 | ~1890 |
| Mabel Thompson | Spouse | — | 42 | ~1898 |
| Theodore Thompson | Son | — | 21 | ~1919 |
Census Appearances
1920
Alpena, Michigan
Son, age
Alpena, Michigan · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Theodore M |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Alpena, Michigan
Son, age 11
Alpena, Michigan · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Alpena-County, Michigan
Son, age 21
Alpena-County, Michigan · implied b. ~1919 — 3 household members
| Surname | Thompson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Alpena City |
| 1935 Residence (County) | Alpena |
| Occupation | Draftsman |
| Industry | Cement Plant |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1320 |
| Highest Grade | No 12 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Theodore Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Thompson (~0.92 confidence) and father James Thompson (~0.92 confidence) and mother Joyce Thompson (~0.92 confidence) and mother Mabel Thompson (~0.92 confidence) and mother Mabel Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Thompson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
James Thompson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Joyce Thompson
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Mabel Thompson
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Mabel Thompson
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Thompson
Son · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Alpena-County, Michigan
Open full size
1940 US Federal Census — Alpena-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01722-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wayne Lee | 1 | Son | — | Michigan |
| 2 | Francis L. Seguin | 30 | Head | Truck Driver | Michigan |
| 3 | Harriette Seguin | 27 | Wife | — | Michigan |
| 4 | Leonard R. Seguin | 7 | Son | — | Michigan |
| 5 | Georgina M. Seguin | 4 | Daughter | — | Michigan |
| 6 | Beulah Morrison | 24 | Sister-in-law | Sales Girl | Michigan |
| 7 | Malcolm Morrison | 12 | Brother-in-law | — | Michigan |
| 8 | Harry Lee Morrison | 1 | Nephew | — | Michigan |
| 9 | John Soper | 31 | Head | Laborer | Michigan |
| 10 | Henrietta Soper | 27 | Wife | — | Michigan |
| 11 | Dolores Soper | 8 | Daughter | — | Michigan |
| 12 | Betty Jane Soper | 7 | Daughter | — | Michigan |
| 13 | Mary Lou Soper | 4 | Daughter | — | Michigan |
| 14 | John Soper | 3 | Son | — | Michigan |
| 15 | Harry Sanborn | 52 | Lodger | — | Wisconsin |
| 16 | Ralph Lee Baily | 47 | Head | Repair Man | Michigan |
| 17 | Jennie E. Baily | 43 | Wife | — | Michigan |
| 18 | Phyllis Baily | 19 | Daughter | — | Michigan |
| 19 | Nora J. Baily | 17 | Daughter | — | Michigan |
| 20 | Lee Hoover Baily | 11 | Son | — | Michigan |
| 21 | James A. Thompson | 50 | Head | Mill Wright | Michigan |
| 22 | Mabel Thompson | 42 | Wife | — | Michigan |
| 23 | Theodore Thompson THIS PERSON | 21 | Son | Draftsman | Michigan |
| 24 | Lomas Eddy | 32 | Head | Proprietor | Michigan |
| 25 | Marie M. Eddy | 27 | Wife | — | Michigan |
| 26 | Arlene M. Eddy | 6 | Daughter | — | Michigan |
| 27 | Eugene L. Eddy | 4 | Son | — | Michigan |
| 28 | Lomas H. Eddy | 1 | Son | — | Michigan |
| 29 | Eloise P. Lefebre | 67 | Head | — | Canada French |
| 30 | James D. Daigle | 80 | Head | — | Canada French |
| 31 | Ellen Daigle | 68 | Wife | — | Canada French |
| 32 | William Standen | 43 | Head | Electrical Engineer | Michigan |
| 33 | Dorilda P. Standen | 42 | Wife | — | Michigan |
| 34 | Shirley Standen | 13 | Daughter | — | Michigan |
| 35 | Virginia Standen | 12 | Daughter | — | Michigan |
| 36 | Beverley Ann Standen | 4 | Daughter | — | Michigan |
| 37 | Lawrence H. Standen | 2 | Son | — | Michigan |
| 38 | Rudolph Dahlke | 38 | Head | Salesman | Michigan |
| 39 | Magdalene Dahlke | 36 | Wife | — | Illinois |
| 40 | Roland Dahlke | 10 | Son | — | Michigan |
Pedigree Summary
Theodore
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)