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John Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Walker across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Ignis & Emile — first a son (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Walker |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Plaster |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 346 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Plaster |
| Township / Ward | Malden City |
| Est. Birth Year | ~1910 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Emeline Walker | Head | — | 53 | ~1887 |
| Harry Fuller | Other | — | 23 | ~1917 |
| John Walker | Other | — | 7 | ~1933 |
| John Walker | Son | — | 30 | ~1910 |
| Joseph Walker | Son | — | 25 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 9
Middlesex, Massachusetts · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 20
Middlesex, Massachusetts · implied b. ~1910 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Carpenter |
| Industry | Building House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 30
Middlesex-County, Massachusetts · implied b. ~1910 — 5 household members
| Surname | Walker |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Occupation | Plaster |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 346 |
| Highest Grade | Hs 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 John Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ignis Walker (~0.92 confidence) and father Emile Walker (~0.92 confidence) and mother Emeline Walker (~0.92 confidence) and mother Anna Walker (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ignis Walker
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Emile Walker
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Emeline Walker
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Anna Walker
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Walker
Son · 1940 · age 30 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Joseph Walker
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01609-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norman Conti | 35 | Head | — | Massachusetts |
| 42 | Jean Conti | 6 | Daughter | — | Massachusetts |
| 43 | William Conti | 3 | Son | — | Massachusetts |
| 44 | Richard Conti | 5 | Son | — | Massachusetts |
| 45 | Axel Conti | 61 | Father | — | Sweden |
| 46 | Hilda Conti | 60 | Mother | Housekeeper | Sweden |
| 47 | Frank Conti | 24 | Brother | Owner Painter | Massachusetts |
| 48 | Janet Conti | 20 | Sister | Sales Girl | Massachusetts |
| 49 | Lenora Slocomb | 78 | Head | — | Maine |
| 50 | Laura Slocomb | 39 | Daughter | Private Secretary | Massachusetts |
| 51 | John Hagberg | 42 | Head | Carpenter | Sweden |
| 52 | Isabell Hagberg | 24 | Wife | — | Nova Scotia |
| 53 | John Hagberg | 2 | Son | — | Massachusetts |
| 54 | James Harvey | 41 | Head | Millwright | Massachusetts |
| 55 | Lurrie Harvey | 42 | Wife | — | Massachusetts |
| 56 | Esther Harvey | 18 | Daughter | — | Massachusetts |
| 57 | Charlotte Harvey | 13 | Daughter | — | Massachusetts |
| 58 | Emeline Walker | 53 | Head | — | Massachusetts |
| 59 | John Walker THIS PERSON | 30 | Son | Plaster | Massachusetts |
| 60 | Joseph Walker | 25 | Son | Chauffeur | Massachusetts |
| 61 | Harry Fuller | 23 | Nephew | Printer | Massachusetts |
| 62 | John Walker | 7 | Grandson | — | Massachusetts |
| 63 | Margaret Malone | 79 | Head | — | Massachusetts |
| 64 | Edward Malone | 39 | Son | Machinist | Massachusetts |
| 65 | Alan Langley | 35 | Head | Painter | Canada-French |
| 66 | Myrtle Langley | 34 | Wife | — | Massachusetts |
| 67 | Lois Langley | 13 | Daughter | — | Massachusetts |
| 68 | Bruce Langley | 6 | Son | — | Massachusetts |
| 69 | Francis Mullaney | 46 | Head | Dishwasher | Massachusetts |
| 70 | Mary Mullaney | 37 | Wife | — | Massachusetts |
| 71 | Patricia Mullaney | 4 | Daughter | — | Massachusetts |
| 72 | Francis Mullaney | 2 | Son | — | Massachusetts |
| 73 | Ida Patchett | 58 | Head | — | Denmark |
| 74 | Minnie Patchett | 36 | Daughter | — | Massachusetts |
| 75 | Lillian Patchett | 30 | Daughter | Clerk | Massachusetts |
| 76 | Emily Patchett | 33 | Daughter | Clerk | Massachusetts |
| 77 | Ida Patchett | 16 | Daughter | — | Massachusetts |
| 78 | Kenneth Wessels | 35 | Son in law | Truck Driver | Massachusetts |
| 79 | Magdalene Wessels | 34 | Daughter | — | Massachusetts |
Pedigree Summary
John + 1 sibling
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)