WJ
William Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Johnson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 3-person household.
Age 80
b. ~1860
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Johnson |
| Given Name | William E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | MELROSE CITY |
| 1935 Residence (County) | MIDDLESEX |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Melrose City |
| Est. Birth Year | ~1860 |
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 |
|---|---|---|---|---|
| Florence Johnson | Daughter | — | 13 | ~1927 |
| William Johnson | Head | — | 80 | ~1860 |
| Ruth Johnson | Spouse | — | 45 | ~1895 |
Census Appearances
1900
Middlesex, Massachusetts
Head, age 44
Middlesex, Massachusetts · implied b. ~1856 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Willis H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maine |
| Birth Month | Apr |
| Birth Year | 1856 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Wholesale egg dealer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1910
Middlesex, Massachusetts
Head, age 50
Middlesex, Massachusetts · implied b. ~1860
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Can. English |
| Industry | House |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1920
Middlesex, Massachusetts
Head, age 60
Middlesex, Massachusetts · implied b. ~1860
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnson |
| Given Name | William A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Doctor |
| Industry | General Practice |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Head, age 70
Middlesex, Massachusetts · implied b. ~1860 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | William L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 25 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Canada English |
| Occupation | Carpenter |
| Industry | Builder |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2400 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Head, age 80
Middlesex-County, Massachusetts · implied b. ~1860 — 3 household members
| Surname | Johnson |
| Given Name | William E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | MELROSE CITY |
| 1935 Residence (County) | MIDDLESEX |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Johnson
Head · 1940 · age 80 · b. ~1860 · 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-t0627-01613-00275)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Chick | 75 | Head | — | Canada |
| 2 | Alice M Keiran | 50 | Head | Secretary | Massachusetts |
| 3 | Anne L Keiran | 45 | Sister | Supervisor | Massachusetts |
| 4 | William E Barrett | 76 | Head | — | Eire |
| 5 | Mary J Barrett | 74 | Wife | — | Eire |
| 6 | James A Barrett | 35 | Son | Crossing Tender | Massachusetts |
| 7 | John E Barrett | 30 | Son | Shipping Clerk | Massachusetts |
| 8 | Anne L Barrett | 26 | Daughter | Comptometer Operator | Massachusetts |
| 9 | Daniel J Sullivan | 42 | Head | Plasterer | Eire |
| 10 | Katherine Sullivan | 38 | Wife | — | Eire |
| 11 | Mary T Sullivan | 11 | Daughter | — | Massachusetts |
| 12 | John J Sullivan | 10 | Son | — | Massachusetts |
| 13 | Thomas F Sullivan | 8 | Son | — | Massachusetts |
| 14 | Kathleen Sullivan | 3 | Daughter | — | Massachusetts |
| 15 | John J O'Leary | 44 | Head | Painter | Massachusetts |
| 16 | Bessie O'Leary | 40 | Wife | — | Eire |
| 17 | Daniel J O'Leary | 16 | Son | — | Massachusetts |
| 18 | Florence R O'Leary | 11 | Daughter | — | Massachusetts |
| 19 | Joseph F Grant | 54 | Head | Carpenter | Newfoundland |
| 20 | Mary E Grant | 58 | Wife | — | Canada English |
| 21 | Joseph L Peters | 38 | Head | Truck Driver | Canada English |
| 22 | Mary G Peters | 33 | Wife | — | Canada English |
| 23 | Francis L Peters | 2 | Son | — | Massachusetts |
| 24 | Edward S Casey | 32 | Head | Commercial Artist | Massachusetts |
| 25 | Eve D Casey | 24 | Wife | — | Massachusetts |
| 26 | Maureen Casey | 0 | Daughter | 0 | Massachusetts |
| 27 | Ralph H Barrar | 21 | Head | Machinist | Massachusetts |
| 28 | Happie E Barrar | 38 | Mother | — | Rhode Island |
| 29 | Robert L Barrar | 20 | Brother | Office Boy | Massachusetts |
| 30 | William E Johnson THIS PERSON | 80 | Head | — | Maine |
| 31 | Ruth H Johnson | 45 | Wife | — | Massachusetts |
| 32 | Florence Johnson | 13 | Daughter | — | Massachusetts |
| 33 | Joseph L Brown | 42 | Head | Fireman | Massachusetts |
| 34 | Catherine D Brown | 36 | Wife | — | Massachusetts |
| 35 | Hanora O'Brien | 61 | Head | Seamstress | Eire |
| 36 | Herbert F Riley | 35 | Head | Gardner | Massachusetts |
| 37 | Mary T Riley | 32 | Wife | — | Massachusetts |
| 38 | Francis H Riley | 11 | Son | — | California |
| 39 | Barbara K Riley | 9 | Daughter | — | Massachusetts |
| 40 | Teresa M Riley | 7 | 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)