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James Jennings — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this James Jennings across the 1920, 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Jennings |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Chouteau Twp |
| Est. Birth Year | ~1911 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Janet Jennings | Daughter | — | 3 | ~1937 |
| Evelyn Jennings | Spouse | — | 27 | ~1913 |
| James Jennings | Head | — | 29 | ~1911 |
Census Appearances
1920
Jersey, Illinois
Son, age 7
Jersey, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jersey, Illinois
Son, age 18
Jersey, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Head, age 29
Madison-County, Illinois · implied b. ~1911 — 3 household members
| Surname | Jennings |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Douglas |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 James Jennings across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Jennings (~0.92 confidence) and father James Jennings (~0.92 confidence) and mother Elizabeth Jennings (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Jennings
b. ~1866
Source father
● Household
· direct · ~0.92
Father
James Jennings
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Jennings
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Jennings
Head · 1940 · age 29 · b. ~1911 · Illinois
★ 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, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00848-01006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Trockler | 86 | Head | — | Germany |
| 2 | Lena Trockler | 62 | Daughter | — | Illinois |
| 3 | Carl Feldinger | 27 | Head | Laborer | Kansas |
| 4 | Myrale Feldinger | 28 | Wife | — | Indiana |
| 5 | Rondal Lee Feldinger | 1 | Son | — | Illinois |
| 6 | Carol Sue Feldinger | 0 | Daughter | — | Illinois |
| 7 | Herbert Beswick | 45 | Head | Time Keeper | Kentucky |
| 8 | Ada Beswick | 37 | Wife | Waitress | Illinois |
| 9 | Byron Beswick | 18 | Son | — | Illinois |
| 10 | Roger Paul Beswick | 14 | Son | — | Illinois |
| 11 | Joe Baricevac | 67 | Head | Farmer | Yugoslavia |
| 12 | Mary Baricevac | 56 | Wife | — | Yugoslavia |
| 13 | W. A. Kicks | 63 | Head | Farmer | Missouri |
| 14 | P. G. Kicks | 61 | Brother | — | Missouri |
| 15 | James Cooper | 49 | Head | Farmer | Illinois |
| 16 | Mary Cooper | 45 | Wife | — | Illinois |
| 17 | John Young | 45 | Head | Ladleman | Illinois |
| 18 | Mae Young | 41 | Wife | — | Illinois |
| 19 | Dorothy Young | 14 | Daughter | — | Illinois |
| 20 | John W. Politte | 46 | Head | Farmer | Illinois |
| 21 | Georgia Politte | 40 | Wife | — | Missouri |
| 22 | Verna Sullivan | 20 | Daughter | Waitress | Missouri |
| 23 | Dona Lee Sullivan | 2 | Daughter | — | Illinois |
| 24 | Ray W. Politte | 15 | Son | Laborer | Illinois |
| 25 | Roscoe Politte | 13 | Son | — | Illinois |
| 26 | Jeanne Politte | 10 | Daughter | — | Illinois |
| 27 | Norma Faye Politte | 9 | Daughter | — | Illinois |
| 28 | Charles Politte | 82 | Head | — | Missouri |
| 29 | Austin Politte | 35 | Son | Laborer | Missouri |
| 30 | Ivan Boyer | 33 | Lodger | Laborer | Missouri |
| 31 | James Jennings THIS PERSON | 29 | Head | Laborer | Illinois |
| 32 | Evelyn Jennings | 27 | Wife | — | Kentucky |
| 33 | Janet Jennings | 3 | Daughter | — | Illinois |
| 34 | Charles Sampson | 52 | Head | Farmer | Missouri |
| 35 | Alice Sampson | 48 | Wife | — | Missouri |
| 36 | Harry Sampson | 22 | Son | Laborer | Missouri |
| 37 | Lawrence Sampson | 17 | Son | — | Missouri |
| 38 | Esther Sampson | 24 | Daughter | — | Missouri |
| 39 | Howard Sampson | 14 | Son | — | Missouri |
| 40 | Raymond Sampson | 12 | Son | — | Missouri |
Pedigree Summary
James
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)