WT
Walter Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Walter Thomas across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 5-person household.
Age 43
b. ~1897
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Thomas |
| Given Name | Walter S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Natick |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Printer |
| Industry | Box Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Printer |
| Township / Ward | Natick |
| Est. Birth Year | ~1897 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Walter Thomas | Head | — | 43 | ~1897 |
| Vincent Thomas | Son | — | 5 | ~1935 |
| Gerald Thomas | Son | — | 10 | ~1930 |
| Robert Thomas | Son | — | 13 | ~1927 |
| Leila Thomas | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 22
Middlesex, Massachusetts · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Walter L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | England |
| Occupation | Book keeper |
| Industry | Machine Shop |
| 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 33
Middlesex, Massachusetts · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Walter M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 29 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Virginia |
| Occupation | Printer |
| Industry | Box & Board Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 43
Middlesex-County, Massachusetts · implied b. ~1897 — 5 household members
| Surname | Thomas |
| Given Name | Walter S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Natick |
| 1935 Residence (County) | Middlesex |
| Occupation | Printer |
| Industry | Box Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 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 Walter Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Walter Thomas
Head · 1940 · age 43 · b. ~1897 · 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-t0627-01613-00785)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anton Riordan | 65 | Head | Laborer | Massachusetts |
| 42 | Lillian Riordan | 67 | Wife | — | North Carolina |
| 43 | Melvin Parmenter | 52 | Head | Packer | Massachusetts |
| 44 | Alfreda B. Parmenter | 45 | Wife | — | Newfoundland |
| 45 | Ruth Parmenter | 21 | Daughter | — | Massachusetts |
| 46 | John Parmenter | 19 | Son | Laborer | Newfoundland |
| 47 | Edith Parmenter | 15 | Daughter | — | Massachusetts |
| 48 | Walter S. Thomas THIS PERSON | 43 | Head | Printer | Massachusetts |
| 49 | Leila Thomas | 38 | Wife | — | British West Indies |
| 50 | Robert Thomas | 13 | Son | — | Massachusetts |
| 51 | Gerald Thomas | 10 | Son | — | Massachusetts |
| 52 | Vincent Thomas | 5 | Son | — | Massachusetts |
| 53 | Francis J. Mcgowan | 32 | Head | Salesman | Massachusetts |
| 54 | Dorothy G. Mcgowan | 29 | Wife | — | Massachusetts |
| 55 | Francis J. Mcgowan | 4 | Son | — | Massachusetts |
| 56 | Susan Anne Mcgowan | 2 | Daughter | — | Massachusetts |
| 57 | Louise J. Haley | 72 | Head | — | Massachusetts |
| 58 | Frances Haley | 68 | Sister | — | Massachusetts |
| 59 | Mary A. Burke | 78 | Sister | — | Massachusetts |
| 60 | Conrad L. Tartine | 33 | Head | Salesman | Massachusetts |
| 61 | Helen J. Tartine | 34 | Wife | — | Massachusetts |
| 62 | Barbara G. Tartine | 8 | Daughter | — | Massachusetts |
| 63 | Harold Dutton | 38 | Head | Shipper | Massachusetts |
| 64 | Extra Line Dutton | None | — | — | — |
| 65 | Extra Line Dutton | None | — | — | — |
| 66 | Extra Line Dutton | None | — | — | — |
| 67 | Geno Tassinari | 23 | Head | Salesman | Massachusetts |
| 68 | Marjorie Tassinari | 19 | Wife | — | Massachusetts |
| 69 | David Tassinari | 0 | Son | — | Massachusetts |
| 70 | Herbert S. Russell | 30 | Head | Laborer | Massachusetts |
| 71 | Doris L. Russell | 25 | Wife | — | Massachusetts |
| 72 | Dorothy Anne Russell | 5 | Daughter | — | Massachusetts |
| 73 | Joan Russell | 5 | Daughter | — | Massachusetts |
| 74 | Francis R. Lynch | 47 | Head | Tree Surgeon | Massachusetts |
| 75 | Annie R. Lynch | 40 | Wife | Laundress | Massachusetts |
| 76 | Extra Line Lynch | None | — | — | — |
| 77 | Cornelius J. Dacey | 50 | Head | — | Massachusetts |
| 78 | Laura E. Frank | 43 | Housekeeper | Housekeeper | Pennsylvania |
| 79 | John W. Prior | 33 | Lodger | Drug Clerk | Massachusetts |
| 80 | Martin Hladick | 60 | Head | Laborer | Czechoslovakia |
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)