DB
Donald Baker — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this Donald Baker across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Baker |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | MISHAWAKA CITY |
| 1935 Residence (County) | ST. JOSEPH |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Mishawaka City |
| Est. Birth Year | ~1901 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Baker | Daughter | — | 42 | ~1898 |
| Alice Baker | Head | — | 72 | ~1868 |
| Donald Baker | Son | — | 39 | ~1901 |
Census Appearances
1920
St Joseph, …
Son, age 19
St Joseph, Indiana · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Operator |
| Industry | Light Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
St Joseph, …
Son, age 29
St Joseph, Indiana · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Donald N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | attendant |
| Industry | service station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Indiana
Son, age 39
St.-Joseph-County, Indiana · implied b. ~1901 — 3 household members
| Surname | Baker |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | MISHAWAKA CITY |
| 1935 Residence (County) | ST. JOSEPH |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Donald Baker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Baker (~0.92 confidence) and father Joseph Baker (~0.92 confidence) and mother Alice Baker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Baker
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Joseph Baker
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Alice Baker
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Baker
Son · 1940 · age 39 · b. ~1901 · Indiana
★ You are viewing this record
Sibling
Kathleen Baker
Sibling · 1940 · age 42
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01093-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Russell R. Ingersoll | 32 | Head | Rector | Colorado |
| 2 | Jeanette E. Ingersoll | 26 | Wife | — | Minnesota |
| 3 | Russell W. Ingersoll | 1 | Son | — | Minnesota |
| 4 | Sarah E. Rae | 67 | Head | — | Indiana |
| 5 | Agnes Mcgee | 42 | Lodger | Office Clerk | Pennsylvania |
| 6 | Alice Baker | 72 | Head | — | Indiana |
| 7 | Kathleen Baker | 42 | Daughter | Registered Nurse | Indiana |
| 8 | Donald Baker THIS PERSON | 39 | Son | — | Indiana |
| 9 | Charles Bauerline | 75 | Head | — | Indiana |
| 10 | Rose Bauerline | 72 | Wife | — | Indiana |
| 11 | Edith Bauerline | 37 | Daughter | Teacher | Indiana |
| 12 | Emma Bastian | 42 | Head | Supervisor | Pennsylvania |
| 13 | Amelia Bastian | 83 | Mother | — | Pennsylvania |
| 14 | Marie Rogers | 55 | Head | Secretary Companion | Illinois |
| 15 | Augusta Bliss | 81 | Head | — | Indiana |
| 16 | Sadie M. Hambright | 53 | Daughter | — | Indiana |
| 17 | Florence E. Flood | 42 | Head | Manager | Indiana |
| 18 | James H. Flood | 17 | Son | — | Indiana |
| 19 | Campbell Gray | 61 | Head | Diocesan Bishop | Tennessee |
| 20 | Virginia Gray | 53 | Wife | — | Tennessee |
| 21 | Albert Doyle | 36 | Head | Lawyer | New York |
| 22 | Loretta Doyle | 31 | Wife | — | New York |
| 23 | Carol Anne Doyle | 6 | Daughter | — | Indiana |
| 24 | Sharon Doyle | 4 | Daughter | — | Indiana |
| 25 | Gregory L. Doyle | 2 | Son | — | Indiana |
| 26 | Ethel Major | 60 | Head | Vice President | Indiana |
| 27 | Marie Major | 50 | Sister | — | Indiana |
| 28 | Walter Michael | 62 | Head | Proprietor | Indiana |
| 29 | Bernice Michael | 55 | Wife | — | Nebraska |
| 30 | Andrew J. Guyer | 82 | Uncle | — | Indiana |
| 31 | John Schindler | 55 | Head | Lawyer | Indiana |
| 32 | Isabel Schindler | 44 | Wife | — | Indiana |
| 33 | John W. Schindler | 17 | Son | — | Indiana |
| 34 | Helen Schindler | 15 | Daughter | — | Indiana |
| 35 | Thomas Webster | 21 | Nephew | — | Indiana |
| 36 | Carrie M. Case | 92 | Head | — | Indiana |
| 37 | Minnie Zimmerman | 72 | Housekeeper | Housekeeper | Indiana |
| 38 | Anna M. Beard | 66 | Nurse | Practical Nurse | Indiana |
| 39 | Archie J. Riggs | 34 | Head | Salesman | Indiana |
| 40 | Verna C. Riggs | 34 | Wife | Medical Doctor | Illinois |
Related Census Records
Pedigree Summary
Donald + 1 sibling
Gen 1 · 3 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)