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John Spencer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Spencer across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Spencer |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Melrose (city) |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Salesman |
| Industry | Machinery Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Salesman |
| Township / Ward | Melrose City |
| Est. Birth Year | ~1884 |
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 |
|---|---|---|---|---|
| Beverly Spencer | Daughter | — | 17 | ~1923 |
| John Spencer | Head | — | 56 | ~1884 |
| Doris Spencer | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 35
Middlesex, Massachusetts · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Machinist |
| Industry | Drydock |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Head, age 44
Middlesex, Massachusetts · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 33 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Salesman |
| Industry | Milk Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Head, age 56
Middlesex-County, Massachusetts · implied b. ~1884 — 3 household members
| Surname | Spencer |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Melrose (city) |
| 1935 Residence (County) | Middlesex |
| Occupation | Salesman |
| Industry | Machinery Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 John Spencer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Spencer
Head · 1940 · age 56 · b. ~1884 · Massachusetts
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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-t0627-01608-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald B. Chisholm | 19 | Son | Delivery Boy | Massachusetts |
| 2 | Rollin E. Chisholm | 14 | Son | — | Massachusetts |
| 3 | William V. Bridgewater | 40 | Head | Chemist-Analyzer | Massachusetts |
| 4 | Elizabeth P. Bridgewater | 36 | Wife | — | Massachusetts |
| 5 | William V. Bridgewater | 10 | Son | — | Massachusetts |
| 6 | Phillip K. Bridgewater | 8 | Son | — | Massachusetts |
| 7 | L. Berg-Houck | 33 | Head | Osteopathic Physician | Massachusetts |
| 8 | Vita M. Berg-Houck | 38 | Wife | — | North Carolina |
| 9 | John H. Berg-Houck | 0 | Son | — | Massachusetts |
| 10 | Iva Lewis | 27 | Sister-in-law | Bookkeeper | North Carolina |
| 11 | John H. Spencer THIS PERSON | 56 | Head | Salesman | Maine |
| 12 | Doris E. Spencer | 45 | Wife | — | Massachusetts |
| 13 | Beverly Spencer | 17 | Daughter | — | Massachusetts |
| 14 | G. Dana Bill | 56 | Head | Salesman | Massachusetts |
| 15 | Bertha W. Bill | 47 | Wife | — | Massachusetts |
| 16 | Priscilla Bill | 18 | Daughter | — | Massachusetts |
| 17 | G. Dana Jr. Bill | 13 | Son | — | Massachusetts |
| 18 | Florence D. Mccarthy | 64 | Head | Plumber | Massachusetts |
| 19 | Alice T. Mccarthy | 62 | Wife | — | Massachusetts |
| 20 | Here Ends Block 34 And Begins Block 35+36 | None | — | — | — |
| 21 | Walter H. Patten | 55 | Head | Carpenter | Massachusetts |
| 22 | Fannie P. Patten | 53 | Wife | — | Canada-English |
| 23 | Alice Patten | 16 | Daughter | — | Massachusetts |
| 24 | Ernest Patten | 10 | Son | — | Massachusetts |
| 25 | William Cambridge | 48 | Head | Retail Salesman | Massachusetts |
| 26 | Beatrice L. Cambridge | 47 | Wife | — | Massachusetts |
| 27 | Wallace T. Cambridge | 17 | Son | — | Massachusetts |
| 28 | Dorothy Ann Cambridge | 13 | Daughter | — | Massachusetts |
| 29 | Alfred W. James | 34 | Head | Cost-Clerk | Massachusetts |
| 30 | Mary A. James | 34 | Wife | — | Massachusetts |
| 31 | Ronald H. James | 6 | Son | — | Massachusetts |
| 32 | Delbert S. Kane | 55 | Head | Crane Engineer | Canada-English |
| 33 | Arianna B. Kane | 55 | Wife | — | Canada-English |
| 34 | Delbert W. Kane | 27 | Son | — | California |
| 35 | Raymond E. Fiscus | 40 | Head | Travelling Salesman | Pennsylvania |
| 36 | Anna H. Fiscus | 38 | Wife | — | Pennsylvania |
| 37 | Willard K. Fiscus | 17 | Son | — | Pennsylvania |
| 38 | Doris A. Fiscus | 11 | Daughter | — | Pennsylvania |
| 39 | Ernest G. Goudey | 29 | Head | Furnace Installer | Canada-English |
| 40 | Lillian W. Goudey | 32 | Wife | — | Canada-English |
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)