JC
John Cunningham — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this John Cunningham across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Susan — first a head (b.~1881), then head of a 4-person household.
Age 59
b. ~1881
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Occupation | Custodian |
| Industry | Public School Bldg |
| Class of Worker | GW |
| Hours Worked | 46 |
| Income (1939) | 2008 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Custodian |
| Township / Ward | East St Louis |
| Est. Birth Year | ~1881 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cunningham | Head | — | 59 | ~1881 |
| Claude Cunningham | Son | — | 25 | ~1915 |
| Wallace Cunningham | Son | — | 29 | ~1911 |
| Rose Cunningham | Spouse | — | 56 | ~1884 |
Census Appearances
1920
St Clair, …
Son, age 38
St Clair, Illinois · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Clair, …
Head, age 49
St Clair, Illinois · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 29 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Conductor |
| Industry | St. Ry. Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Clair-County, Illinois
Head, age 59
St.-Clair-County, Illinois · implied b. ~1881 — 4 household members
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Occupation | Custodian |
| Industry | Public School Bldg |
| Class of Worker | GW |
| Hours Worked | 46 |
| Income (1939) | 2008 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Cunningham across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Cunningham (~0.92 confidence) and mother Susan Cunningham (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Cunningham
b. ~1846
Source father
● Household
· direct · ~0.92
Mother
Susan Cunningham
b. ~1849
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Cunningham
Head · 1940 · age 59 · b. ~1881 · 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 — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00881-00833)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jean Bordeaux | 14 | Daughter | — | Illinois |
| 42 | Joan Bordeaux | 14 | Daughter | — | Illinois |
| 43 | Cora B. Leng | 66 | Head | — | Illinois |
| 44 | Helen Leng | 22 | Daughter | Registered Nurse | Illinois |
| 45 | Robert Rice | 26 | Lodger | Bookkeeper | Missouri |
| 46 | William Rice | 29 | Lodger | Time Keeper | Missouri |
| 47 | Edward Welsh | 65 | Head | — | Irish Free State |
| 48 | Nellie Welsh | 58 | Wife | — | Irish Free State |
| 49 | Bridget Sheehan | 41 | Sister in law | Saleslady | Irish Free State |
| 50 | Elizabeth Sheehan | 39 | Sister in law | Seamstress | Irish Free State |
| 51 | Patrick Sheehan | 35 | Brother in law | Fireman | Irish Free State |
| 52 | John Mongan | 65 | Head | Insurance Salesman | Irish Free State |
| 53 | Anna Mongan | 63 | Wife | — | Irish Free State |
| 54 | John J. Mongan | 31 | Son | — | Missouri |
| 55 | Daniel J. Mongan | 30 | Son | Custodian | Missouri |
| 56 | Mary E. Mongan | 25 | Daughter | New Worker | Illinois |
| 57 | Michael Mongan | 23 | Son | Bookkeeper | Illinois |
| 58 | George Manashreck | 35 | Head | Assistant Manager | Oklahoma |
| 59 | Lorene Manashreck | 36 | Wife | — | Oklahoma |
| 60 | William Schwarztrauber | 64 | Head | — | Illinois |
| 61 | Laura Schwarztrauber | 60 | Wife | — | Missouri |
| 62 | William Schwarztrauber | 36 | Head | Conductor | Missouri |
| 63 | Mildred Schwarztrauber | 33 | Wife | — | Missouri |
| 64 | Shirley Schwarztrauber | 10 | Daughter | — | Missouri |
| 65 | Roger Schwarztrauber | 9 | Son | — | Missouri |
| 66 | Jerry Schwarztrauber | 4 | Son | — | Missouri |
| 67 | Carol Schwarztrauber | 2 | Daughter | — | Missouri |
| 68 | Hattie Schroeder | 56 | Mother in law | Housework | Illinois |
| 69 | John Cunningham THIS PERSON | 59 | Head | Custodian | Missouri |
| 70 | Rose Cunningham | 56 | Wife | — | Illinois |
| 71 | Wallace Cunningham | 29 | Son | Stock Clerk | Illinois |
| 72 | Claude Cunningham | 25 | Son | Chauffeur | Illinois |
| 73 | William Hutter | 56 | Head | Bus Driver | Illinois |
| 74 | Myrtle Hutter | 54 | Wife | — | Illinois |
| 75 | Mary C. Hutter | 29 | Daughter | Recreation Director | Illinois |
| 76 | H. William Hoyle | 50 | Head | Coal Miner | Illinois |
| 77 | Jessica Hoyle | 50 | Wife | — | Illinois |
| 78 | Thomas Hoyle | 21 | Son | Salesman Clerk | Illinois |
| 79 | Billy Hoyle | 15 | Son | — | Illinois |
Pedigree Summary
John
Gen 1 · 2 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)