JG
James Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Gray across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 4-person household.
Age 73
b. ~1867
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Gray |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell |
| Est. Birth Year | ~1867 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Gray | Head | — | 73 | ~1867 |
| John Gray | Son | — | 30 | ~1910 |
| Phillip Gray | Son | — | 27 | ~1913 |
| Annie Gray | Spouse | — | 72 | ~1868 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 51
Middlesex, Massachusetts · implied b. ~1869 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | James H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Mail Man |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Head, age 62
Middlesex, Massachusetts · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 30 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Retired |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 73
Middlesex-County, Massachusetts · implied b. ~1867 — 4 household members
| Surname | Gray |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 8 |
| 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 James Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Gray
Head · 1940 · age 73 · b. ~1867 · 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-t0627-01694-00531)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Jeffers | 52 | Head | — | Massachusetts |
| 2 | Grace Jeffers | 26 | Daughter | Card Turner | Massachusetts |
| 3 | Helen Jeffers | 23 | Daughter | Clerk | Massachusetts |
| 4 | Francis Jeffers | 21 | Son | Labourer | Massachusetts |
| 5 | Fredrick Jeffers | 19 | Son | — | Massachusetts |
| 6 | Sarah Brady | 84 | Mother | — | Massachusetts |
| 7 | Joseph W. Jantzen | 52 | Head | Dentist | Massachusetts |
| 8 | Genevieve P. Jantzen | 52 | Sister | Teacher | Massachusetts |
| 9 | Arthur Wiley | 39 | Head | Clergy | England |
| 10 | Martha Wiley | 42 | Wife | — | Massachusetts |
| 11 | Guilford C. Wiley | 13 | Son | — | Massachusetts |
| 12 | Glenice Wiley | 8 | Daughter | — | Massachusetts |
| 13 | Mary Porter | 43 | Servant | Housekeeper | Massachusetts |
| 14 | Annie Porter | 40 | Servant | Housemaid | Massachusetts |
| 15 | Mary Mellonon|Mellonou | 60 | Head | — | England |
| 16 | Joseph Mellonon|Mellonou | 32 | Son | — | Massachusetts |
| 17 | Mary Mellonon|Mellonou | 31 | Daughter | — | England |
| 18 | Louis E. Mellonon|Mellonou | 29 | Son | Truck Driver | Canada |
| 19 | Caroline Mellonon|Mellonou | 28 | Daughter | Adrewriter|Addresswriter | England |
| 20 | Ann Mellonon|Mellonou | 1 | Daughter | — | Massachusetts |
| 21 | Ellen Mcmahon | 67 | Head | — | Massachusetts |
| 22 | James Mcmahon | 51 | Son | Salesman | Massachusetts |
| 23 | Marguerite Mcmahon | 40 | Daughter | — | Massachusetts |
| 24 | Mary Mcmahon | 31 | Daughter | Bookkeeper | Massachusetts |
| 25 | Eileen Mcmahon | 28 | Daughter | Clerk | Massachusetts |
| 26 | James Mcmahon | 26 | Son | Laborer | Massachusetts |
| 27 | James H. Gray THIS PERSON | 73 | Head | — | Massachusetts |
| 28 | Annie M. Gray | 72 | Wife | — | Massachusetts |
| 29 | John A. Gray | 30 | Son | Bookkeeper | Massachusetts |
| 30 | Phillip Gray | 27 | Son | Salesman | Massachusetts |
| 31 | Joseph Scancarello | 50 | Head | Watchman | Italy |
| 32 | Carmella Scancarello | 61 | Wife | — | Italy |
| 33 | Salvatore Scancarello | 24 | Son | Stripper | Massachusetts |
| 34 | Carmen Scancarello | 19 | Daughter | — | Massachusetts |
| 35 | Manuel Scancarello | 18 | Son | — | Massachusetts |
| 36 | Anthony Scancarello | 17 | Son | — | Massachusetts |
| 37 | James O'Hare | 69 | Head | — | Prince Edward Isl |
| 38 | Bernice O'Hare | 45 | Wife | — | New Hampshire |
| 39 | Andrew Donahue | 25 | Son | Attendant | Massachusetts |
| 40 | Vincent Donahue | 17 | Son | — | Massachusetts |
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)