GJ
Gerald Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Gerald Johnson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Assistant Bank Keeper |
| Industry | Machinery Tool Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1640 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Assistant Bank Keeper |
| Township / Ward | Rockford |
| Est. Birth Year | ~1913 |
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 Gerald | Age | Birth yr |
|---|---|---|---|---|
| Mary Johnson | Spouse | — | 26 | ~1914 |
| Sylvia Johnson | Daughter | — | 1 | ~1939 |
| Gerald Johnson | Head | — | 27 | ~1913 |
Census Appearances
1920
Winnebago, Illinois
Son, age 7
Winnebago, Illinois · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gerald C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Son, age 17
Winnebago, Illinois · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Head, age 27
Winnebago-County, Illinois · implied b. ~1913 — 3 household members
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Occupation | Assistant Bank Keeper |
| Industry | Machinery Tool Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1640 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| 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 Gerald Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Bertha Johnson (~0.92 confidence) and mother Esther Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Bertha Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Esther Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gerald Johnson
Head · 1940 · age 27 · b. ~1913 · 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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00914-00016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Pearson | 28 | Wife | — | Wisconsin |
| 42 | Gerald Johnson THIS PERSON | 27 | Head | Assistant Bank Keeper | Illinois |
| 43 | Mary Johnson | 26 | Wife | — | Illinois |
| 44 | Sylvia Johnson | 1 | Daughter | — | Illinois |
| 45 | Allen Coupling | 31 | Head | Electrician | Illinois |
| 46 | Elvira Coupling | 27 | Wife | Saleswoman | Illinois |
| 47 | James Beck | 45 | Head | Repair Man | Illinois |
| 48 | Violet Beck | 44 | Wife | — | Illinois |
| 49 | Jane Beck | 22 | Daughter | Typist | Illinois |
| 50 | Loris Beck | 20 | Daughter | Clerk | Illinois |
| 51 | Clarence Wagner | 35 | Head | Department Manager | Illinois |
| 52 | Violet Wagner | 33 | Wife | — | Illinois |
| 53 | Shirley May Wagner | 4 | Daughter | — | Illinois |
| 54 | Frank H. Andrew | 62 | Head | Insurance | Illinois |
| 55 | Martha A. Andrew | 55 | Wife | — | Illinois |
| 56 | Stanley Wingwall | 39 | Head | Butcher | Illinois |
| 57 | Elsie Wingwall | 37 | Wife | — | Illinois |
| 58 | Ruth Wingwall | 16 | Daughter | — | Illinois |
| 59 | Stanley Jr. Wingwall | 13 | Son | — | Illinois |
| 60 | Lowell Wingwall | 12 | Son | — | Illinois |
| 61 | Charlotte Wingwall | 8 | Daughter | — | Illinois |
| 63 | Arthur Anderson | 52 | Head | Barber | Illinois |
| 64 | Mamie Anderson | 52 | Wife | — | Illinois |
| 65 | Loraine Anderson | 19 | Daughter | Cutter | Illinois |
| 66 | Sterling Hanson | 25 | Head | Draftsman | Illinois |
| 67 | Alice Hanson | 25 | Wife | — | Illinois |
| 68 | Maralice Hanson | 1 | Daughter | — | Illinois |
| 69 | Alvar Peterson | 34 | Head | Lathe Hand | Sweden |
| 70 | Helen Peterson | 35 | Wife | — | Illinois |
| 71 | Janice Peterson | 3 | Daughter | — | Illinois |
| 72 | Carl G. Carlson | 60 | Head | Shaper | Sweden |
| 73 | Bertha Carlson | 67 | Wife | — | Sweden |
| 74 | John Miller | 35 | Head | Draftsman | Pennsylvania |
| 75 | Marie Miller | 33 | Wife | — | Nebraska |
| 76 | Lloyd Clark | 35 | Head | Pattern Maker | Iowa |
| 77 | Hallie Clark | 33 | Wife | — | Iowa |
| 78 | Charlotte Clark | 11 | Daughter | — | Iowa |
| 79 | Joanne Clark | 6 | Daughter | — | Illinois |
| 80 | Janis Clark | 1 | Daughter | — | Illinois |
Pedigree Summary
Gerald
Gen 1 · 4 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)