DJ
Doris Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Doris Johnson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Peter & Hilma — first a daughter (b.~1912), then head of a 2-person household.
Age 28
b. ~1912
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Johnson |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Arlington Town |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 130 |
| Highest Grade | H 4-30 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Housekeeper |
| Township / Ward | Arlington Town |
| Est. Birth Year | ~1912 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Doris | Age | Birth yr |
|---|---|---|---|---|
| Doris Johnson | Daughter | — | 28 | ~1912 |
| Hilma Johnson | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 7
Middlesex, Massachusetts · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| 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
Middlesex, Massachusetts
Daughter, age 18
Middlesex, Massachusetts · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 28
Middlesex-County, Massachusetts · implied b. ~1912 — 2 household members
| Surname | Johnson |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Arlington Town |
| 1935 Residence (County) | Middlesex |
| Occupation | Housekeeper |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 130 |
| Highest Grade | H 4-30 |
| 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 Doris Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Johnson (~0.92 confidence) and mother Hilma Johnson (~0.92 confidence) and mother Ruth Johnson (~0.92 confidence) and mother Ruth Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Hilma Johnson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Ruth Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Ruth Johnson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Doris Johnson
Daughter · 1940 · age 28 · b. ~1912 · 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-t0627-01601-00559)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hilma Johnson | 67 | Wife | — | Sweden |
| 2 | Doris Johnson THIS PERSON | 28 | Daughter | Housekeeper | Massachusetts |
| 3 | C. Edna Cameron | 50 | Head | — | Canada-English |
| 4 | Arthur S. Kelley | 21 | Lodger | — | Massachusetts |
| 5 | Michael O'Brien | 53 | Head | Movie Operator | Massachusetts |
| 6 | Jessica M. O'Brien | 53 | Wife | — | England |
| 7 | Bonnie O'Brien | 27 | Daughter | Ass'T Clerk | Massachusetts |
| 8 | John E. Burr | 56 | Head | Repairman | Massachusetts |
| 9 | Euphemia Burr | 55 | Wife | — | Canada-English |
| 10 | Barbara Burr | 17 | Daughter | — | Massachusetts |
| 11 | This Family Appears On Sheet # 61 B Burgess | None | — | — | — |
| 12 | — | None | — | — | — |
| 13 | J. Herbert Emery | 72 | Head | — | Canada-English |
| 14 | Ada C. Emery | 70 | Sister | — | Canada-English |
| 15 | Frank Mayo | 50 | Head | Refrigeration | Italy |
| 16 | Mary Mayo | 34 | Wife | — | Massachusetts |
| 17 | Virginia Mayo | 11 | Daughter | — | Massachusetts |
| 18 | Peter Mayo | 7 | Son | — | Massachusetts |
| 19 | Alexander Mayo | 6 | Son | — | Massachusetts |
| 20 | Norma Mayo | 3 | Daughter | — | Massachusetts |
| 21 | Margaret Mayo | 25 | Daughter | Dressmaker | Massachusetts |
| 22 | Madeline Mayo | 23 | Daughter | Dressmaker | Massachusetts |
| 23 | Chester D. Adams | 53 | Head | Salesman | Massachusetts |
| 24 | Caroline Adams | 52 | Wife | — | Massachusetts |
| 25 | Francis C. Adams | 22 | Son | Stock Clerk | Massachusetts |
| 26 | Janet N. Adams | 14 | Daughter | — | Massachusetts |
| 27 | Margaret Cronin | 45 | Lodger | Secretary | Massachusetts |
| 28 | James Hoar | 65 | Head | Sexton & Maker | Irish Free State |
| 29 | Mary Hoar | 26 | Daughter | Bookkeeper | Massachusetts |
| 30 | James Hoar | 24 | Son | Soda Clerk | Massachusetts |
| 31 | Joseph Hoar | 21 | Son | — | Massachusetts |
| 32 | Annie Daley | 73 | Cousin | — | Irish Free State |
| 33 | Charles Crowley | 32 | Head | Steamfitter | Massachusetts |
| 34 | Mildred Crowley | 32 | Wife | — | Massachusetts |
| 35 | Charles E. Crowley | 2 | Son | — | Massachusetts |
| 36 | Harry A. Smith | 53 | Head | Salesman | New Hampshire |
| 37 | Dorothy C. Smith | 51 | Wife | — | New Hampshire |
| 38 | Barbara M. Langlois | 25 | Daughter | — | Massachusetts |
| 39 | Timothy Cronin | 64 | Head | Starter | Irish Free State |
| 40 | Nora H. Cronin | 58 | Wife | — | Irish Free State |
Pedigree Summary
Doris
Gen 1 · 4 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)