EH
Edward Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Edward Hart across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hart |
| Given Name | Edward R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Wilmington Town |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | New Worker |
| Township / Ward | Wilmington Town |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Mabel Hart | Spouse | — | 56 | ~1884 |
| Edward Hart | Son | — | 17 | ~1923 |
| Ruth Mcauliffe | Daughter | — | 25 | ~1915 |
| Beatrice Hart | Daughter | — | 25 | ~1915 |
| John Hart | Son | — | 22 | ~1918 |
| Leander Hart | Head | — | 51 | ~1889 |
| Albert Hart | Son | — | 20 | ~1920 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 6
Middlesex, Massachusetts · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hunt |
| Given Name | Earl F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Canada-Eng |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 17
Middlesex-County, Massachusetts · implied b. ~1923 — 7 household members
| Surname | Hart |
| Given Name | Edward R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Wilmington Town |
| 1935 Residence (County) | Middlesex |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 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 Edward Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Edward Hart
Son · 1940 · age 17 · b. ~1923 · Massachusetts
★ You are viewing this record
Sibling
Beatrice Hart
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hart
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Hart
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mcauliffe
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
40 people indexed on this census page (nara:1940:m-t0627-01621-00595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John O. Robbins | 70 | Head | — | Canada French |
| 2 | Mary M. Robbins | 64 | Wife | — | Canada French |
| 3 | Mildred M. Robbins | 36 | Daughter | Operator | Massachusetts |
| 4 | James R. Robbins | 35 | Son | Section Hand | Massachusetts |
| 5 | John L. Robbins | 30 | Son | — | Massachusetts |
| 6 | Gertrude M. Robbins | 25 | Daughter | Laborer | Massachusetts |
| 7 | Mary L. Supert | 73 | Boarder | — | Canada French |
| 8 | Eugene D. Barrett | 69 | Head | Carpenter | Canada French |
| 9 | Margaret M. Barrett | 64 | Wife | — | Canada French |
| 10 | Edith J. Barrett | 25 | Daughter | Stenographer | Massachusetts |
| 11 | John Horgan | 16 | Boarder | — | Massachusetts |
| 12 | Charles Matthews | 42 | Head | Carpenter | Pennsylvania |
| 13 | Maud B. Matthews | 42 | Wife | — | Pennsylvania |
| 14 | Lloyd G. Matthews | 23 | Son | Clerk | Rhode Island |
| 15 | John Bickford | 9 | Ward | — | Massachusetts |
| 16 | William Bickford | 8 | Ward | — | Massachusetts |
| 17 | Julia D. Thompson | 42 | Head | Sash-Blind Maker | Massachusetts |
| 18 | Margaret M. Melanson | 67 | Head | — | Canada French |
| 19 | James W. Costine | 44 | Head | Cooking | Massachusetts |
| 20 | Theresa M. Costine | 43 | Wife | — | Massachusetts |
| 21 | Leander Hart | 51 | Head | Driver | Massachusetts |
| 22 | Mabel L. Hart | 56 | Wife | — | Massachusetts |
| 23 | Beatrice M. Hart | 25 | Daughter | Operator | Massachusetts |
| 24 | John W. Hart | 22 | Son | Greaser | Massachusetts |
| 25 | Albert W. Hart | 20 | Son | Laborer | Massachusetts |
| 26 | Edward R. Hart THIS PERSON | 17 | Son | New Worker | Massachusetts |
| 27 | Ruth Mcauliffe | 25 | Daughter | — | Massachusetts |
| 28 | William Altman | 40 | Head | Manager | Massachusetts |
| 29 | Sadie R. Altman | 35 | Wife | — | England |
| 30 | Gerald Altman | 16 | Son | — | Massachusetts |
| 31 | Alan Altman | 13 | Son | — | Massachusetts |
| 32 | Harry N. Hennessey | 45 | Head | Manager | Massachusetts |
| 33 | Mary C. Hennessey | 46 | Wife | — | Massachusetts |
| 34 | Dorothy V. Hennessey | 15 | Daughter | — | Massachusetts |
| 35 | Helen M. Hennessey | 14 | Daughter | — | Massachusetts |
| 36 | Helen C. Hennessey | 10 | Daughter | — | Massachusetts |
| 37 | George H. Hennessey | 3 | Son | — | Massachusetts |
| 38 | Byron S. Stevens | 34 | Head | Salesman | Maine |
| 39 | Edith C. Stevens | 33 | Wife | — | Massachusetts |
| 40 | Jean E. Stevens | 13 | Daughter | — | Maine |
Related Census Records
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)