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John Saunders — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Saunders across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Alice & Alice — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Saunders |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Pipe Layer |
| Industry | Sewer Project |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 252 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Pipe Layer |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1907 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Saunders | Head | — | 33 | ~1907 |
| John Saunders | Son | — | 4 | ~1936 |
| Helen Saunders | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Saunders |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 23
Middlesex, Massachusetts · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Saunders |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| 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
Head, age 33
Middlesex-County, Massachusetts · implied b. ~1907 — 3 household members
| Surname | Saunders |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | Pipe Layer |
| Industry | Sewer Project |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 252 |
| 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 Saunders across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alice Saunders (~0.92 confidence) and mother Alice Saunders (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alice Saunders
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Alice Saunders
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Saunders
Head · 1940 · age 33 · b. ~1907 · 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-t0627-01703-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Small | 10 | Daughter | — | Massachusetts |
| 2 | James H. Murphy | 46 | Head | Oiler | Massachusetts |
| 3 | Alice R. Murphy | 31 | Wife | — | Massachusetts |
| 4 | Frank Ramsdell | 39 | Head | Salesman | Massachusetts |
| 5 | Rosella G. Ramsdell | 30 | Wife | — | Massachusetts |
| 6 | Marilyn G. Ramsdell | 7 | Daughter | — | Massachusetts |
| 7 | William H. Mercer | 50 | Head | Letter Carrier | Massachusetts |
| 8 | Nora A. Mercer | 54 | Wife | — | Eire |
| 9 | Hannah A. Matson | 69 | Head | — | Massachusetts |
| 10 | Helen B. Matson | 46 | Daughter | Hairdresser | Massachusetts |
| 11 | Mary A. Matson | 41 | Daughter | Machine Operator | Massachusetts |
| 12 | Edward J. Matson | 39 | Son | Teamster | Massachusetts |
| 13 | Gertrude M. Kelley | 40 | Head | Telephone Operator | Massachusetts |
| 14 | Harold W. Kelley | 37 | Brother | Blacksmith Helper | Massachusetts |
| 15 | Mabel F. Kelley | 30 | Sister | Secretary | Massachusetts |
| 16 | Francis H. Kelley | 26 | Brother | Cook | Massachusetts |
| 17 | John J. Welch | 35 | Head | Fisherman | Pennsylvania |
| 18 | Nellie M. Welch | 32 | Wife | — | Massachusetts |
| 19 | Catherine Saunders | 63 | Head | — | Eire |
| 20 | Mary E. Saunders | 31 | Daughter | Filing Clerk | Massachusetts |
| 21 | James J. Saunders | 29 | Son | Office Manager | Massachusetts |
| 22 | William Saunders | 26 | Son | Accountant | Massachusetts |
| 23 | John P. Saunders THIS PERSON | 33 | Head | Pipe Layer | Massachusetts |
| 24 | Helen M. Saunders | 24 | Wife | — | Massachusetts |
| 25 | John P. Jr. Saunders | 4 | Son | — | Massachusetts |
| 26 | Francis J. Mullen | 29 | Head | Assembler | Massachusetts |
| 27 | Evelyn M. Mullen | 23 | Wife | — | Massachusetts |
| 28 | Patricia E. Mullen | 1 | Daughter | — | Massachusetts |
| 29 | Lawrence Milia | 50 | Head | Store Manager | Italy |
| 30 | Catherine M. Milia | 46 | Wife | — | Italy |
| 31 | Eleanor Milia | 23 | Daughter | — | Massachusetts |
| 32 | Joseph H. Milia | 21 | Son | Clerk | Massachusetts |
| 33 | Lawrence J. Milia | 16 | Son | — | Massachusetts |
| 34 | Leslie A. Rogers | 62 | Head | — | Canada-English |
| 35 | Elizabeth M. Rogers | 67 | Wife | — | Canada-English |
| 36 | John Sturrock | 43 | Head | Laborer | Greece |
| 37 | Penelope Sturrock | 41 | Wife | — | Greece |
| 38 | James Sturrock | 15 | Son | — | Massachusetts |
| 39 | Elizabeth Sturrock | 10 | Daughter | — | Massachusetts |
| 40 | Louis Philip | 41 | Head | Baker | Turkey |
Pedigree Summary
John
Gen 1 · 2 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)