JB
John Baker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Indiana
Our Model Tree links this John Baker across the 1910, 1920, 1930 and 1940 US Censuses in Madison-County, Indiana (XGBoost, ~Confirmed), with identified parents Rella & Roland — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Indiana |
| Surname | Baker |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Ohio |
| Additional Details | |
| Occupation | Designer |
| Industry | Auto Parts |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | H 4 |
| 1935 Residence | Ohio |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Designer |
| Township / Ward | Anderson |
| Est. Birth Year | ~1908 |
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 |
|---|---|---|---|---|
| John Baker | Head | — | 32 | ~1908 |
| Estella Baker | Other | — | 74 | ~1866 |
| Tommy Baker | Son | — | 7 | ~1933 |
| Jack Baker | Son | — | 5 | ~1935 |
| Lorena Baker | Spouse | — | 35 | ~1905 |
Census Appearances
1910
Madison, Indiana
Son, age 1
Madison, Indiana · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Madison, Indiana
Son, age 10
Madison, Indiana · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Madison, Indiana
Son, age 20
Madison, Indiana · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Chauffer |
| Industry | Truck |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Madison-County, Indiana
Head, age 32
Madison-County, Indiana · implied b. ~1908 — 5 household members
| Surname | Baker |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Ohio |
| Occupation | Designer |
| Industry | Auto Parts |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | H 4 |
| 1935 Residence | Ohio |
| 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 Baker across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rella Babu (~0.92 confidence) and father Roland Baker (~0.92 confidence) and father Leonard Baker (~0.92 confidence) and mother Lillie Baker (~0.92 confidence) and mother Ella Baker (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rella Babu
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Roland Baker
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Leonard Baker
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Lillie Baker
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Ella Baker
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Baker
Head · 1940 · age 32 · b. ~1908 · Indiana
★ 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 — Madison-County, Indiana
Open full size
1940 US Federal Census — Madison-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01073-00100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary D Ellsworth | 32 | Wife | — | Indiana |
| 2 | Charles R Ellsworth | 11 | Son | — | Indiana |
| 3 | Addison E Mckee | 49 | Head | Asst Trust Officer | Missouri |
| 4 | Eva F Mckee | 40 | Wife | — | Indiana |
| 5 | Evalee Mckee | 6 | Daughter | — | Indiana |
| 6 | Adah Foltz | 34 | Head | Machinist | Indiana |
| 7 | Esther Foltz | 33 | Wife | Saleslady | Indiana |
| 8 | Chas L Foltz | 11 | Son | — | Indiana |
| 9 | John A Baker THIS PERSON | 32 | Head | Designer | Indiana |
| 10 | Lorena D Baker | 35 | Wife | — | Indiana |
| 11 | Tommy Baker | 7 | Son | — | Ohio |
| 12 | Jack Baker | 5 | Son | — | Ohio |
| 13 | Estella Baker | 74 | Mother | — | Indiana |
| 14 | William West | 57 | Head | Farm Manager | Indiana |
| 15 | Mary E West | 55 | Wife | — | Indiana |
| 16 | James West | 25 | Son | Manager | Indiana |
| 17 | Billy West | 18 | Son | Farm Hand | Indiana |
| 18 | Frank West | 14 | Son | — | Indiana |
| 19 | Richard West | 11 | Son | — | Indiana |
| 20 | Walter Lane | 40 | Head | Foreman | Indiana |
| 21 | Lucile E Lane | 40 | Wife | — | Indiana |
| 22 | Walter D Lane | 17 | Son | — | Indiana |
| 23 | Virginia R Lane | 15 | Daughter | — | Indiana |
| 24 | Warner Lane | 13 | Son | — | Indiana |
| 25 | Robert Lane | 12 | Son | — | Indiana |
| 26 | Cecelia Lane | 7 | Daughter | — | Indiana |
| 27 | Ernest Lane | 5 | Son | — | Indiana |
| 28 | Dean Lane | 2 | Daughter | — | Indiana |
| 29 | Joseph Harkman | 31 | Head | Assembler | Ohio |
| 30 | Ruth E Harkman | 28 | Wife | Assembler | Indiana |
| 31 | Russell Smith | 28 | Head | Farmer | Indiana |
| 32 | Althea Smith | 30 | Wife | — | Indiana |
| 33 | Donna R Smith | 7 | Daughter | — | Indiana |
| 34 | Grace M Smith | 45 | Sister | — | Ohio |
| 35 | Arthur T Marling | 52 | Head | Mechanic | Indiana |
| 36 | Verda D Marling | 49 | Wife | — | Indiana |
| 37 | Gilbert H Marling | 20 | Son | — | Indiana |
| 38 | Billy D Marling | 4 | Grandson | — | Anderson |
| 39 | Marry A Parker | 76 | Head | — | Indiana |
| 40 | Hazel Parker | 45 | Daughter | — | Indiana |
Pedigree Summary
John
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)