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John Baldwin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this John Baldwin across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Baldwin |
| Given Name | John Homer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Mishawaka city |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Occupation | vulcanizer |
| Industry | rubber products manufacturer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 45 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Vulcanizer |
| Township / Ward | Mishawaka City |
| Est. Birth Year | ~1888 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Baldwin | Spouse | — | 50 | ~1890 |
| Charles Baldwin | Son | — | 24 | ~1916 |
| Marvin Baldwin | Son | — | 19 | ~1921 |
| John Baldwin | Head | — | 52 | ~1888 |
| Delma Baldwin | Daughter | — | 22 | ~1918 |
Census Appearances
1920
St Joseph, …
Head, age 30
St Joseph, Indiana · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baldwin |
| Given Name | John H. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | inspector |
| Industry | Auto factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
St Joseph, …
Head, age 41
St Joseph, Indiana · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baldwin |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 25 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | inspector |
| Industry | footwear factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Indiana
Head, age 52
St.-Joseph-County, Indiana · implied b. ~1888 — 5 household members
| Surname | Baldwin |
| Given Name | John Homer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Mishawaka city |
| 1935 Residence (County) | St. Joseph |
| Occupation | vulcanizer |
| Industry | rubber products manufacturer |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 45 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 John Baldwin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Baldwin
Head · 1940 · age 52 · b. ~1888 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Joseph-County, Indiana
Open full size
1940 US Federal Census — St.-Joseph-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01093-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Palmer C. Perkins | 51 | Head | Electrician | Indiana |
| 2 | Bertha Perkins | 54 | Wife | General Office Work | Michigan |
| 3 | Ervin Bryant | 46 | Head | Vulcanizer | Ohio |
| 4 | Helen Bryant | 33 | Wife | Machine Operator | Indiana |
| 5 | James Bryant | 6 | Son | — | Indiana |
| 6 | James Davis | 22 | Head | Yard Man | Indiana |
| 7 | Maxine S. Davis | 20 | Wife | — | Michigan |
| 8 | Judith Ann Davis | 0 | Daughter | — | Indiana |
| 9 | Otis Baker | 40 | Head | Cook | Illinois |
| 10 | Irene Baker | 29 | Wife | — | Indiana |
| 11 | Joyce Baker | 5 | Daughter | — | Indiana |
| 12 | Gerry Baker | 1 | Daughter | — | Indiana |
| 13 | Roy Jr. Robinson | 19 | Head | Dry Cleaner | Indiana |
| 14 | Marjory Robinson | 19 | Wife | — | Ohio |
| 15 | Elijah Sellers | 41 | Head | Barber | Kentucky |
| 16 | Gertrude Sellers | 37 | Wife | — | Indiana |
| 17 | James Sellers | 17 | Male | — | Indiana |
| 18 | Douglas Sellers | 15 | Son | — | Indiana |
| 19 | Shirley Sellers | 5 | Daughter | — | Indiana |
| 20 | Finley Harshman | 70 | Head | Watchman | Ohio |
| 21 | May Harshman | 60 | Wife | — | Illinois |
| 22 | Johnney Whitaker | 21 | Head | Installation Man | Alabama |
| 23 | Lucille Whitaker | 18 | Wife | — | Alabama |
| 24 | Ernest Doyle Whitaker | 1 | Son | — | Alabama |
| 25 | Charles L. Mcmillan | 28 | Head | Fishing Rod Builder | Indiana |
| 26 | Evelyn Lucille Mcmillan | 29 | Wife | — | Indiana |
| 27 | John Homer Baldwin THIS PERSON | 52 | Head | Vulcanizer | Indiana |
| 28 | Mary Baldwin | 50 | Wife | — | England |
| 29 | Charles H. Baldwin | 24 | Son | Assistant Foreman | Indiana |
| 30 | Delma Irene Baldwin | 22 | Daughter | Stenographer | Indiana |
| 31 | Marvin J. Baldwin | 19 | Son | Mail Clerk | Indiana |
| 32 | Arthur Ball | 61 | Head | Machinist | Indiana |
| 33 | Mary Ball | 54 | Wife | — | Indiana |
| 34 | Romaine, Max Ball | 27 | Son-in-law | Tag Sell Clerk | Indiana |
| 35 | Marigrace Ball | 26 | Daughter | Saleslady | Indiana |
| 36 | Louis Divens | 34 | Head | Truck Driver | Michigan |
| 37 | Marjory Divens | 35 | Wife | — | Kentucky |
| 38 | Harold Divens | 16 | Son | — | Indiana |
| 39 | Joanne Divens | 7 | Daughter | — | Indiana |
| 40 | Jackie Divens | 3 | Son | — | Indiana |
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)