FJ
Francis Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Francis Johnson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Bernard & Maude — first a son (b.~1916), then head of a 5-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 | Francis J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | manager |
| Industry | retail grocery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Manager |
| Township / Ward | Medford 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Bernard Johnson | Head | — | 66 | ~1874 |
| Stephen Johnson | Son | — | 32 | ~1908 |
| Bernard Johnson | Son | — | 34 | ~1906 |
| Francis Johnson | Son | — | 24 | ~1916 |
| Maude Johnson | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Francis J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Francis J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| 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 — 5 household members
| Surname | Johnson |
| Given Name | Francis J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | manager |
| Industry | retail grocery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1300 |
| Highest Grade | H 4 |
| 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 Francis Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bernard Johnson (~0.92 confidence) and mother Maude Johnson (~0.92 confidence) and mother Catherine Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernard Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Maude Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Catherine Johnson
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Francis Johnson
Son · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
Stephen Johnson
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Johnson
Sibling · 1940 · age 34
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 — 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-t0627-01611-00252)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cecile A. Carroll | 26 | Daughter | Teacher | Massachusetts |
| 2 | Helen F. Carroll | 24 | Daughter | Stenographer | Massachusetts |
| 3 | John Lee | 55 | Head | Laborer | Eire |
| 4 | Julia J. Lee | 43 | Sister | Operator | Massachusetts |
| 5 | Bernard F. Johnson | 66 | Head | — | Massachusetts |
| 6 | Maude J. Johnson | 63 | Wife | — | Canada-English |
| 7 | Bernard F. Jr. Johnson | 34 | Son | Operator | Massachusetts |
| 8 | Stephen Johnson | 32 | Son | Investigator | Massachusetts |
| 9 | Francis J. Johnson THIS PERSON | 24 | Son | Manager | Massachusetts |
| 10 | Celia Mclaughlin | 65 | Head | — | Pennsylvania |
| 11 | Daniel J. Angell | 33 | Son | Salesman | Massachusetts |
| 12 | Mary C. Angell | 32 | daughter | — | Massachusetts |
| 13 | Thomas J. Angell | 1 | grand son | — | Massachusetts |
| 14 | Charles J. Neville | 52 | Head | Agent | Massachusetts |
| 15 | Lillian G. Neville | 50 | Wife | — | Massachusetts |
| 16 | Charles W. Neville | 20 | Son | Clerk | Massachusetts |
| 17 | John J. Neville | 14 | Son | — | Massachusetts |
| 18 | Thomas Blakely | 45 | Head | Laborer | Massachusetts |
| 19 | Eva W. Blakely | 35 | Wife | — | Maine |
| 20 | Thomas J. Blakely | 16 | Son | — | Massachusetts |
| 21 | Mattie Dooley | 65 | mother-in-law | — | Canada-English |
| 22 | Annie I. Dooley | 50 | sister-in-law | Clerk | Maine |
| 23 | Julian S. Adleman | 28 | Head | Medical Doctor | Massachusetts |
| 24 | Harry J. Mcbrail | 28 | Boarder | Parts Manager | Massachusetts |
| 25 | Jeannette M. Mcbrail | 27 | Boarder | — | Massachusetts |
| 26 | Raymond J. Weidman | 44 | Head | Advertising Publishing | Massachusetts |
| 27 | Edna M. Weidman | 44 | Wife | — | Massachusetts |
| 28 | Mary T. Weidman | 15 | daughter | — | Massachusetts |
| 29 | Donald F. Weidman | 13 | Son | — | Massachusetts |
| 30 | Charles J. Munro | 64 | Head | — | Massachusetts |
| 31 | Wendell Munro | 27 | Son | Elevator Man | Massachusetts |
| 32 | Evelyn Miller | 32 | step-daughter | — | Massachusetts |
| 33 | Florence Mabie | 38 | daughter | Waitress | Massachusetts |
| 34 | John W. Cribby | 53 | brother-in-law | Laborer | Massachusetts |
| 35 | Winifred Cribby | 56 | sister | — | Canada-English |
| 36 | Helen G. Buckley | 58 | Head | — | Maine |
| 37 | Cyril Buckley | 35 | Son | Purchasing Agent | Maine |
| 38 | Gertrude Buckley | 35 | daughter | — | Eire |
| 39 | Madeline Buckley | 30 | daughter | Clerk | Maine |
| 40 | Richard Buckley | 7 | grandson | — | Massachusetts |
Pedigree Summary
Francis + 2 siblings
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)