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Robert Gregory — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Gregory across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Gregory |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Marlborough City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Shoe Cutter |
| Industry | Shoe Factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | G-8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Shoe Cutter |
| Township / Ward | Marlborough City |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Gregory | Son | — | 21 | ~1919 |
| Richard Gregory | Son | — | 15 | ~1925 |
| Hazel Gregory | Daughter | — | 19 | ~1921 |
| Alfred Gregory | Son | — | 23 | ~1917 |
| Irene Gregory | Spouse | — | 42 | ~1898 |
| Joseph Gregory | Head | — | 44 | ~1896 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregoire |
| Given Name | Robert O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 21
Middlesex-County, Massachusetts · implied b. ~1919 — 6 household members
| Surname | Gregory |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Marlborough City |
| 1935 Residence (County) | Middlesex |
| Occupation | Shoe Cutter |
| Industry | Shoe Factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | G-8 |
| 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 Robert Gregory across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Gregory (~0.92 confidence) and father Joseph Gregory (~0.92 confidence) and father Oliver Gregoire (~0.92 confidence) and mother Irene Gregory (~0.92 confidence) and mother Maude Gregoire (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Gregory
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Joseph Gregory
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Oliver Gregoire
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Irene Gregory
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Maude Gregoire
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Gregory
Son · 1940 · age 21 · b. ~1919 · Massachusetts
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Sibling
Richard Gregory
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Gregory
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Gregory
Sibling · 1940 · age 23
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-t0627-01610-00327)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Lynch | 55 | Head | Operator | Massachusetts |
| 2 | Alice Lynch | 35 | Daughter | — | Massachusetts |
| 3 | Louise Lynch | 30 | Daughter | — | Massachusetts |
| 4 | Robert Fisher | 46 | Head | Shoe Cutter | Massachusetts |
| 5 | Lottie Fisher | 45 | Wife | Box Maker | Massachusetts |
| 6 | Ralph Martins | 26 | Head | Shoe Cutter | Massachusetts |
| 7 | Mary Martins | 24 | Wife | — | Massachusetts |
| 8 | Percy Thompson | 47 | Head | Clerk | Massachusetts |
| 9 | Alice Thompson | 35 | Wife | — | Massachusetts |
| 10 | Robert Thompson | 15 | Son | — | Massachusetts |
| 11 | Pauline Thompson | 14 | Daughter | — | Massachusetts |
| 12 | David Thompson | 13 | Son | — | Massachusetts |
| 13 | Beverly Thompson | 2 | Daughter | — | Massachusetts |
| 14 | Herbert Johnston | 34 | Head | Engineer | Massachusetts |
| 15 | Theresa A. Johnston | 31 | Wife | — | Massachusetts |
| 16 | Herbert Johnston | 9 | Son | — | Massachusetts |
| 17 | Clyde Johnston | 8 | Son | — | Massachusetts |
| 18 | Raymond Johnston | 1 | Son | — | Massachusetts |
| 19 | Clifton Baker | 31 | Head | Salesman | Massachusetts |
| 20 | Mildred S. Baker | 22 | Wife | — | Massachusetts |
| 21 | Roger Baker | 5 | Son | — | Massachusetts |
| 22 | Joseph Gregory | 44 | Head | Shoe Cutter | Massachusetts |
| 23 | Irene Gregory | 42 | Wife | Stitcher | Massachusetts |
| 24 | Alfred Gregory | 23 | Son | Shoe Cutter | Massachusetts |
| 25 | Robert Gregory THIS PERSON | 21 | Son | Shoe Cutter | Massachusetts |
| 26 | Hazel Gregory | 19 | Daughter | Shoe Stitcher | Massachusetts |
| 27 | Richard Gregory | 15 | Son | — | Massachusetts |
| 28 | Albert La Broche | 32 | Head | Operator | Massachusetts |
| 29 | Rita La Broche | 32 | Wife | — | Massachusetts |
| 30 | Irene La Broche | 12 | Daughter | Bookkeeper | Massachusetts |
| 31 | Doris La Broche | 6 | Daughter | — | Massachusetts |
| 32 | Larry La Broche | 2 | Son | — | Massachusetts |
| 33 | Harry Taylor | 41 | Head | Shoe Cutter | Massachusetts |
| 34 | Kathryn Taylor | 36 | Wife | — | Eire |
| 35 | William H. Finn | 37 | Head | Superintendent | Massachusetts |
| 36 | Anna F. Finn | 37 | Wife | Clerk | Massachusetts |
| 37 | William Finn | 8 | Son | — | Massachusetts |
| 38 | John Finn | 5 | Son | — | Massachusetts |
| 39 | Helen Wilder | 16 | State Child | — | Massachusetts |
| 40 | Frank Manno | 56 | Head | — | Italy |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 5 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)