WJ
William Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Johnson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Johnson |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Stoneham |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Night Watchman |
| Industry | Public Garage |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 882 |
| Highest Grade | H-2 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Night Watchman |
| Township / Ward | Malden City |
| Est. Birth Year | ~1916 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Johnson | Head | — | 42 | ~1898 |
| William Johnson | Son | — | 24 | ~1916 |
| Susie Johnson | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 4
Middlesex, Massachusetts · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 24
Middlesex-County, Massachusetts · implied b. ~1916 — 3 household members
| Surname | Johnson |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Stoneham |
| 1935 Residence (County) | Middlesex |
| Occupation | Night Watchman |
| Industry | Public Garage |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 882 |
| Highest Grade | H-2 |
| 1935 Residence | Massachusetts |
| 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 William Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Johnson (~0.92 confidence) and father William Johnson (~0.92 confidence) and father William Johnson (~0.92 confidence) and mother Susie Johnson (~0.92 confidence) and mother Susie Johnson (~0.92 confidence) and mother Irene Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnson
b. ~1898
Source father
● Household
· direct · ~0.92
Father
William Johnson
b. ~1893
Source father
● Household
· direct · ~0.92
Father
William Johnson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Susie Johnson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Susie Johnson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Irene Johnson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Johnson
Son · 1940 · age 24 · b. ~1916 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01609-00642)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence E. Roach | 15 | Daughter | — | Massachusetts |
| 42 | Frances D. Jr. Roach | 3 | Son | — | Massachusetts |
| 43 | James E. Nicholson | 39 | Head | Boiler Maker Helper | Massachusetts |
| 44 | Irene J. Nicholson | 37 | Wife | — | Massachusetts |
| 45 | James E. Jr. Nicholson | 14 | Son | — | Massachusetts |
| 46 | Clifford J. Nicholson | 9 | Son | — | Massachusetts |
| 47 | Margaret A. Vincent | 57 | Mother-in-law | Seamstress | Massachusetts |
| 48 | Eugene P. Callahan | 47 | Head | Policeman | Massachusetts |
| 49 | Theresa Callahan | 46 | Wife | — | Massachusetts |
| 50 | Russell M. Callahan | 11 | Son | — | Massachusetts |
| 51 | William C. Presley | 76 | Lodger | — | Massachusetts |
| 52 | Joseph J. Handy | 58 | Head | Blacksmith | Irish Free State |
| 53 | Mary Handy | 53 | Wife | — | Irish Free State |
| 54 | Joseph F. Handy | 17 | Son | — | Massachusetts |
| 55 | Bernard J. Handy | 15 | Son | — | Massachusetts |
| 56 | Mary M. Handy | 12 | Daughter | — | Massachusetts |
| 57 | Josephine D. Minahan | 41 | Head | Waitress | Canada English |
| 58 | Patricia M. Minahan | 12 | Daughter | — | Massachusetts |
| 59 | John J. Jr. Minahan | 12 | Son | — | Massachusetts |
| 60 | Eugene F. Ryan | 48 | Head | Chauffeur | Massachusetts |
| 61 | Ida M. Ryan | 47 | Wife | — | Canada English |
| 62 | Thomas D. Ryan | 13 | Son | — | Massachusetts |
| 63 | Mary J. Nelson | 26 | Daughter | Inspector | Massachusetts |
| 64 | John C. Doucette | 24 | Son-in-law | Chauffeur | Massachusetts |
| 65 | Virginia D. Doucette | 19 | Daughter | Inspector | Massachusetts |
| 66 | Richard E. Croake | 58 | Head | Real Estate Broker | Massachusetts |
| 67 | Laura E. Croake | 55 | Wife | Cook | Massachusetts |
| 68 | Salvatore Venuti | 59 | Head | — | Italy |
| 69 | Rosaria Venuti | 54 | Wife | — | Italy |
| 70 | Joseph Venuti | 22 | Son | Hair Dresser | Massachusetts |
| 71 | John Morale | 92 | Father | — | Italy |
| 72 | William C. Johnson | 42 | Head | Truck Driver | Massachusetts |
| 73 | Susie A. Johnson | 48 | Wife | — | Massachusetts |
| 74 | William F. Johnson THIS PERSON | 24 | Son | Night Watchman | Massachusetts |
| 75 | Robert J. Venuti | 33 | Head | Garage Manager | Massachusetts |
| 76 | Concetta E. Venuti | 35 | Wife | — | Massachusetts |
| 77 | Mary C. Venuti | 4 | Daughter | — | Massachusetts |
| 78 | — | None | — | — | — |
| 79 | Louis G. Oberland | 65 | Head | Plasterer | Massachusetts |
| 80 | Annie Oberland | 67 | Wife | — | Massachusetts |
Pedigree Summary
William
Gen 1 · 6 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)