GJ
Gerald Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Gerald Johnson across the 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
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 | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Highest Grade | G 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Brockton City |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gerald | Age | Birth yr |
|---|---|---|---|---|
| Herbert Johnson | Son | — | 27 | ~1913 |
| Lester Johnson | Son | — | 24 | ~1916 |
| William Johnson | Son | — | 23 | ~1917 |
| Frank Johnson | Head | — | 62 | ~1878 |
| Agda Johnson | Spouse | — | 52 | ~1888 |
| Madeline Johnson | Daughter | — | 15 | ~1925 |
| Corine Johnson | Daughter | — | 17 | ~1923 |
| Roger Johnson | Son | — | 12 | ~1928 |
| Constance Johnson | Daughter | — | 25 | ~1915 |
| Gerald Johnson | Son | — | 10 | ~1930 |
Census Appearances
1930
Plymouth, Massachusetts
Son, age 1
Plymouth, Massachusetts · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gerald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Son, age 10
Plymouth-County, Massachusetts · implied b. ~1930 — 10 household members
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Highest Grade | G 3 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Gerald Johnson
Son · 1940 · age 10 · b. ~1930 · Massachusetts
★ You are viewing this record
Sibling
Roger Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Corine Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Johnson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Constance Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
38 people indexed on this census page (nara:1940:m-t0627-01636-00278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eunice Bellotone | 33 | Wife | — | Massachusetts |
| 42 | Joyce Bellotone | 10 | Daughter | — | Massachusetts |
| 43 | John Bellotone | 7 | Son | — | Massachusetts |
| 44 | Emil Peterson | 61 | Head | Machinist | Sweden |
| 45 | Bessie Peterson | 54 | Wife | — | Massachusetts |
| 46 | Clarence Peterson | 19 | Son | Machinist | Massachusetts |
| 47 | Frank E. Johnson | 62 | Head | Finisher | Sweden |
| 48 | Agda Johnson | 52 | Wife | — | Sweden |
| 49 | Herbert Johnson | 27 | Son | Baker | Massachusetts |
| 50 | Constance Johnson | 25 | Daughter | Ediphone Operator | Massachusetts |
| 51 | William Johnson | 23 | Son | Baker | Massachusetts |
| 52 | Lester Johnson | 24 | Son | Driver-Sales | Massachusetts |
| 53 | Corine Johnson | 17 | Daughter | — | Massachusetts |
| 54 | Madeline Johnson | 15 | Daughter | — | Massachusetts |
| 55 | Roger Johnson | 12 | Son | — | Massachusetts |
| 56 | Gerald Johnson THIS PERSON | 10 | Son | — | Massachusetts |
| 58 | Phestas C. Gonies | 32 | Head | Musician | Massachusetts |
| 59 | Muriel Gonies | 27 | Wife | — | Massachusetts |
| 60 | David E. Gonies | 3 | Son | — | Massachusetts |
| 61 | Fred L. Wright | 44 | Head | Compositor | Massachusetts |
| 62 | Avis S. Wright | 45 | Wife | — | Massachusetts |
| 64 | Raymond Naba-Tremouille | 30 | Head | Diemaker | Massachusetts |
| 65 | Anne Naba-Tremouille | 28 | Wife | — | Massachusetts |
| 66 | Ronald Naba-Tremouille | 2 | Son | — | Massachusetts |
| 67 | Renell Naba-Tremouille | 0 | Son | — | Massachusetts |
| 68 | Walter Heyle | 36 | Head | Diemaker | Sweden |
| 69 | Mildred Heyle | 32 | Wife | — | Massachusetts |
| 70 | William Ernest Heyle | 11 | Son | — | Massachusetts |
| 71 | David Heyle | 6 | Son | — | Massachusetts |
| 72 | Sandra J. Heyle | 0 | Daughter | — | Massachusetts |
| 73 | Thomas R. Thompson | 30 | Head | Silversmith | Massachusetts |
| 74 | Myrtle Thompson | 26 | Wife | — | Massachusetts |
| 75 | Robert Thompson | 2 | Son | — | Massachusetts |
| 76 | Alexander Keay | 39 | Head | Agent | Scotland |
| 77 | Jane L. Keay | 39 | Wife | — | Massachusetts |
| 78 | David M. Keay | 15 | Son | — | Massachusetts |
| 79 | Arnold L. Keay | 12 | Son | — | Massachusetts |
| 80 | Nancy J. Keay | 10 | Daughter | — | Massachusetts |
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)