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John Eaton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Eaton across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Isabella & John — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Eaton |
| Given Name | John M. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Concord |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Isabella Eaton | Spouse | — | 54 | ~1886 |
| John Eaton | Son | — | 22 | ~1918 |
| John Eaton | Head | — | 54 | ~1886 |
| James Franklin | Other | — | — |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Eaton |
| Given Name | John G |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Eaton |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Son, age 22
Middlesex-County, Massachusetts · implied b. ~1918 — 4 household members
| Surname | Eaton |
| Given Name | John M. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same house |
| 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 Eaton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Isabella Eaton (~0.92 confidence) and father John Eaton (~0.92 confidence) and father Edward Eaton (~0.92 confidence) and mother Catherine Eaton (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Isabella Eaton
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
John Eaton
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Edward Eaton
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Catherine Eaton
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Eaton
Son · 1940 · age 22 · b. ~1918 · 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-t0627-01603-00893)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alan Shaw | 12 | Son | — | Massachusetts |
| 2 | Evelyn Foster | 53 | Cook | Cook | Massachusetts |
| 3 | Doris Perasulo | 33 | Nurse | Nurse | New Hampshire |
| 4 | Ann Mcewan | 32 | Maid | Maid | Canada English |
| 5 | Walter G. Whitman | 44 | Head | Teacher | Massachusetts |
| 6 | Martha H. Whitman | 44 | Wife | — | Alabama |
| 7 | Elizabeth Ann Whitman | 16 | Daughter | — | Massachusetts |
| 8 | John T. Whitman | 13 | Son | — | Illinois |
| 9 | William K. Whitman | 5 | Son | — | Indiana |
| 10 | Sanna Lindfors | 25 | Maid | Maid | Massachusetts |
| 11 | William Mrs. Wheeler | 85 | Head | — | Massachusetts |
| 12 | Susanna Hubbard | 91 | Sister | — | Massachusetts |
| 13 | Dorothy Edwardson | 42 | Maid | Maid | Massachusetts |
| 14 | Julia P. Blanchard | 75 | Head | — | Vermont |
| 15 | Catherine Scally | 64 | Maid | Maid | Irish Free State |
| 16 | Virginia Armstrong | 48 | Head | — | Oklahoma |
| 17 | Virginia Armstrong | 25 | Daughter | Lecturer | Massachusetts |
| 18 | Helen J. Motley | 68 | Head | — | Massachusetts |
| 19 | Maurice Griffin | 36 | Chauffeur | Chauffeur | Massachusetts |
| 20 | Edna Griffin | 29 | Maid | Maid | Massachusetts |
| 21 | Maurice Jr. Griffin | 2 | Son | — | Massachusetts |
| 22 | Francis D. Houston | 52 | Head | Lawyer | Massachusetts |
| 23 | Elizabeth Houston | 52 | Wife | — | New York |
| 24 | Cynthia Houston | 22 | Daughter | — | New York |
| 25 | Francis A. Houston | 18 | Son | — | Massachusetts |
| 26 | John M. Eaton | 54 | Head | Broker | Massachusetts |
| 27 | Isabella Eaton | 54 | Wife | — | Massachusetts |
| 28 | John M. Jr. Eaton THIS PERSON | 22 | Son | — | Massachusetts |
| 29 | James Franklin | None | Taken at own home | — | — |
| 30 | James Rizzitano | 50 | Head | Gardener | Italy |
| 31 | Frances Rizzitano | 41 | Wife | — | Italy |
| 32 | Mary Rizzitano | 24 | Daughter | — | Massachusetts |
| 33 | Fortuna Rizzitano | 19 | Daughter | — | Italy |
| 34 | Assunta Rizzitano | 15 | Daughter | — | Massachusetts |
| 35 | Dominic Rizzitano | 13 | Son | — | Massachusetts |
| 36 | Frances S. Rizzitano | 4 | Daughter | — | Massachusetts |
| 37 | Caroline P. Whitney | 60 | Head | — | Massachusetts |
| 38 | Otis M. Whitney | 31 | Son | Law | Massachusetts |
| 39 | Eleanor M. Whitney | 28 | Daughter-in-law | Dress Shop | Massachusetts |
| 40 | Horatio W. Brown | 46 | Head | Contractor | Massachusetts |
Pedigree Summary
John
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)