GJ
Gerald Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Gerald Johnson across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Carl & Carl — first a son (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Brockton City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gerald | Age | Birth yr |
|---|---|---|---|---|
| Carl Johnson | Head | — | 60 | ~1880 |
| Gerald Johnson | Son | — | 32 | ~1908 |
| Hilma Johnson | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Plymouth, Massachusetts
Son, age 11
Plymouth, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Son, age 22
Plymouth, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gerald H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Civil Eng. |
| Industry | Contracting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Son, age 32
Plymouth-County, Massachusetts · implied b. ~1908 — 3 household members
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Carl Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and mother Hilma Johnson (~0.92 confidence) and mother Hilma Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Hilma Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Hilma Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gerald Johnson
Son · 1940 · age 32 · b. ~1908 · Massachusetts
★ 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01636-00406)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mildred Bagnell | 46 | Wife | — | Massachusetts |
| 2 | Carl Johnson | 60 | Head | Painter | Sweden |
| 3 | Hilma Johnson | 60 | Wife | — | Sweden |
| 4 | Gerald Johnson THIS PERSON | 32 | Son | — | Massachusetts |
| 5 | Howard Grace | 44 | Head | Model Cutter | Massachusetts |
| 6 | Laura Grace | 34 | Wife | — | Massachusetts |
| 7 | Edna Grace | 14 | Daughter | — | Massachusetts |
| 8 | Patricia Grace | 12 | Daughter | — | Massachusetts |
| 9 | Albert E. Ullman | 45 | Head | Heel Expediter | Massachusetts |
| 10 | Blanche H. Ullman | 49 | Wife | — | Massachusetts |
| 11 | E. Winifred Earle | 62 | Head | — | Massachusetts |
| 12 | Eleanor F. Earle | 37 | Daughter | — | Massachusetts |
| 13 | Preston C. Smith | 49 | Head | Stationary Engineer | Massachusetts |
| 14 | Florence S. Smith | 47 | Wife | — | Massachusetts |
| 15 | Edel P. Smith | 22 | Daughter | Registered Nurse | Massachusetts |
| 16 | Charles A. Cashman | 74 | Head | Accountant | Massachusetts |
| 17 | Mabel A. Cashman | 68 | Wife | — | Massachusetts |
| 18 | Howard Crocker | 31 | Head | Edgetrimmer | Massachusetts |
| 19 | Esther Crocker | 31 | Wife | — | Massachusetts |
| 20 | Joan Carol Crocker | 1 | Daughter | — | Massachusetts |
| 21 | Otto Lundberg | 69 | Head | — | Sweden |
| 22 | J. Chester Lundberg | 47 | Son | Laster | Massachusetts |
| 23 | Edda Lundberg | 72 | Daughter | — | Sweden |
| 24 | Andrew H. Thorburn | 31 | Head | Chaser-Presser | Massachusetts |
| 25 | Helena Thorburn | 36 | Wife | Label Clerk | Massachusetts |
| 26 | Andrew H. Jr. Thorburn | 4 | Son | — | Massachusetts |
| 27 | Everett Lundberg | 37 | Head | Stationary Fireman | Massachusetts |
| 28 | Isabel Lundberg | 34 | Wife | Fancy Stitcher | Massachusetts |
| 29 | George Reardon | 35 | Head | Heeler | Massachusetts |
| 30 | H. Florence Reardon | 32 | Wife | — | Massachusetts |
| 31 | Elizabeth Reardon | 8 | Daughter | — | Massachusetts |
| 32 | Barbara Reardon | 1 | Daughter | — | Massachusetts |
| 33 | Ora Fifield | 44 | Head | Last Maker | New Hampshire |
| 34 | Jennie Fifield | 49 | Wife | — | Massachusetts |
| 35 | Frank D. Nash | 26 | Head | Farm Labor | Massachusetts |
| 36 | Gladys Nash | 19 | Wife | — | Massachusetts |
| 37 | Martin H. Anderson | 50 | Head | Mason | Massachusetts |
| 38 | Hilma Anderson | 50 | Wife | — | Sweden |
| 39 | Gloria Anderson | 23 | Daughter | Stenographer | Massachusetts |
| 40 | Esther Anderson | 13 | Daughter | — | Massachusetts |
Pedigree Summary
Gerald
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)