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George Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this George Caldwell across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Caldwell |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Steam engineer |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2548 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Steam Engineer |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1883 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| George Caldwell | Head | — | 57 | ~1883 |
| Harriet Caldwell | Daughter | — | 32 | ~1908 |
| Ethel Caldwell | Spouse | — | 53 | ~1887 |
| Phyllis Caldwell | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 37
Middlesex, Massachusetts · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Engineer |
| Industry | Locomotive |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Head, age 47
Middlesex, Massachusetts · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | George W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Fireman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 57
Middlesex-County, Massachusetts · implied b. ~1883 — 4 household members
| Surname | Caldwell |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | Steam engineer |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2548 |
| Highest Grade | 5 |
| 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 George Caldwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
George Caldwell
Head · 1940 · age 57 · b. ~1883 · 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-t0627-01702-00077)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lena Libelata | 43 | Wife | — | Italy |
| 2 | Carmella Libelata | 23 | Daughter | Stitcher | Italy |
| 3 | Margaret Libelata | 21 | Daughter | Stitcher | Italy |
| 4 | Joseph Libelata | 19 | Son | Knitter | Italy |
| 5 | John Libelata | 13 | Son | — | Massachusetts |
| 6 | Prudence Libelata | 10 | Daughter | — | Massachusetts |
| 7 | Charles Black | 52 | Head | Office Clerk | Massachusetts |
| 8 | Alice Black | 45 | Wife | — | Massachusetts |
| 9 | Arnold Black | 25 | Son | Commercial Artist | Massachusetts |
| 10 | Lillian M. Connor | 70 | Mother-in-law | — | Maine |
| 11 | James E. Thompson | 70 | Head | — | Massachusetts |
| 12 | Bertha Thompson | 70 | Wife | — | Canada English |
| 13 | Marion Thompson | 43 | Daughter | — | Massachusetts |
| 14 | Frederick Foley | 62 | Lodger | Printer | Canada English |
| 15 | George Caldwell THIS PERSON | 57 | Head | Steam Engineer | Massachusetts |
| 16 | Ethel G. Caldwell | 53 | Wife | — | Massachusetts |
| 17 | Harriet Caldwell | 32 | Daughter | Operator | Massachusetts |
| 18 | Phyllis Caldwell | 23 | Daughter | Secretary | Massachusetts |
| 19 | William Parker | 67 | Head | Driver | Massachusetts |
| 20 | Annie Parker | 65 | Wife | — | Canada English |
| 21 | Ellen Parker | 70 | Sister | — | Massachusetts |
| 22 | Badwany Haboush | 62 | Head | Grocer | Syria |
| 23 | Jessie Haboush | 37 | Wife | — | Massachusetts |
| 24 | Benjamin Haboush | 1 | Son | — | Massachusetts |
| 25 | John Bussell | 61 | Head | Watchman | Massachusetts |
| 26 | Fred Clark Bussell | 32 | Son | Truck Driver | Massachusetts |
| 27 | Gilbert A. Purdy | 58 | Head | Watchman | Massachusetts |
| 28 | Anna Purdy | 56 | Wife | — | England |
| 29 | Byron Woodman | 22 | Head | Derrick Man | Maine |
| 30 | Ethel Woodman | 20 | Wife | — | Canada English |
| 31 | Charles Mansfield | 48 | Lodger | Shipper | Massachusetts |
| 32 | Alfred L. Leverone | 51 | Head | Plumber | Massachusetts |
| 33 | Alfred E. Leverone | 18 | Son | — | Massachusetts |
| 34 | Andrew Rein | 26 | Head | Manager | Massachusetts |
| 35 | Mary Rein | 29 | Wife | Marker | Massachusetts |
| 36 | Margaret Mahoney | 30 | Head | — | Massachusetts |
| 37 | John Mahoney | 10 | Son | — | Massachusetts |
| 38 | Chester Sylvester | 51 | Head | Salesman | Massachusetts |
| 39 | Evelyn Sylvester | 44 | Wife | — | Massachusetts |
| 40 | Abbie Bonney | 24 | Lodger | — | Connecticut |
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)