JT
John Todd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jackson-County, Illinois
Our Model Tree links this John Todd across the 1920, 1930 and 1940 US Censuses in Jackson-County, Illinois (XGBoost, ~Confirmed), with identified parents Martha — first a head (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Illinois |
| Surname | Todd |
| Given Name | John H. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. Rock Crusher |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 454 |
| Highest Grade | No 8 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Grand Tower |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Todd | Head | — | 31 | ~1909 |
| Charles Todd | Son | — | 4 | ~1936 |
| Lester Todd | Son | — | 7 | ~1933 |
| Joseph Todd | Son | — | 1 | ~1939 |
| Donald Todd | Son | — | 6 | ~1934 |
| Viola Todd | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Jackson, Illinois
Other, age 11
Jackson, Illinois · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | Joseph H. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jackson, Illinois
Son, age 21
Jackson, Illinois · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Box Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Illinois
Head, age 31
Jackson-County, Illinois · implied b. ~1909 — 6 household members
| Surname | Todd |
| Given Name | John H. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (County) | Jackson |
| Occupation | Laborer |
| Industry | W.P.A. Rock Crusher |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 454 |
| Highest Grade | No 8 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Martha Todd (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Martha Todd
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Todd
Head · 1940 · age 31 · b. ~1909 · 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 — Jackson-County, Illinois
Open full size
1940 US Federal Census — Jackson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00814-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mark L. Lomax | 11 | son | — | Illinois |
| 2 | Liza M. Lomax | 53 | head | Housekeeper | Illinois |
| 3 | Frankie Broker | 25 | son | Laborer | Illinois |
| 4 | Mary Broker | 23 | daughter in law | — | Illinois |
| 5 | Thessie Broker | 1 | daughter | — | Illinois |
| 6 | Frank J. Broker | 0 | son | — | Illinois |
| 7 | Isaac Robinson | 58 | head | 0 | Illinois |
| 8 | Frank Baltzel | 22 | head | Laborer | Illinois |
| 9 | Marie Baltzel | 20 | wife | — | Illinois |
| 10 | Clyde Lavaque | 33 | head | 30 | Indiana |
| 11 | Beula Lavaque | 39 | wife | — | Illinois |
| 12 | Lavern Bobbo | 28 | head | Laborer | Illinois |
| 13 | Edna Bobbo | 22 | wife | — | Illinois |
| 14 | Bennie D. Bobbo | 5 | son | — | Illinois |
| 15 | Barbra Bobbo | 3 | daughter | — | Illinois |
| 16 | Sam Anderson | 68 | head | Laborer | Illinois |
| 17 | Nancie Anderson | 53 | wife | — | Illinois |
| 18 | Ralph Anderson | 24 | son | Clerk | Illinois |
| 19 | Edward Anderson | 18 | son | — | Illinois |
| 20 | Joseph Smith | 80 | father in law | — | Illinois |
| 21 | Cullen C. Ellet | 50 | head | Farmer | Illinois |
| 22 | Maggie Ellet | 49 | wife | — | Illinois |
| 23 | Cullen Jr. Ellet | 18 | son | Farm Hand | Illinois |
| 24 | Margie Ellet | 16 | daughter | — | Illinois |
| 25 | Junnie Ellet | 13 | son | — | Illinois |
| 26 | Donie Ellet | 12 | son | — | Illinois |
| 27 | Joald Ellet | 9 | son | — | Illinois |
| 28 | Frankie Glodo | 28 | head | Deck Hand | Illinois |
| 29 | Mildred Glodo | 23 | wife | — | Illinois |
| 30 | Frankie Jr. Glodo | 5 | son | — | Missouri |
| 31 | Kenneth R. Glodo | 3 | son | — | Illinois |
| 32 | Glena L. Glodo | 0 | daughter | — | Illinois |
| 33 | John H. Todd THIS PERSON | 31 | head | Laborer | Missouri |
| 34 | Viola A. Todd | 26 | wife | — | Illinois |
| 35 | Lester E. Todd | 7 | son | — | Illinois |
| 36 | Donald G. Todd | 6 | son | — | Illinois |
| 37 | Charles N. Todd | 4 | son | — | Illinois |
| 38 | Joseph L. Todd | 1 | son | — | Illinois |
| 39 | William Schavil | 26 | head | Laborer | Illinois |
| 40 | Mangel Schavil | 25 | wife | — | Illinois |
Pedigree Summary
John
Gen 1 · 1 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)