WT
Walter Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Walter Thompson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Walter & Mary — first a son (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Thompson |
| Given Name | Walter J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | printer |
| Industry | printing plant |
| Class of Worker | PW |
| Hours Worked | 126 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Printer |
| Township / Ward | Boston |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| Dorothy Thompson | Daughter | — | 29 | ~1911 |
| Phyllis Thompson | Daughter | — | 23 | ~1917 |
| Walter Thompson | Head | — | 65 | ~1875 |
| Walter Thompson | Son | — | 37 | ~1903 |
| Mary Thompson | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 17
Suffolk, Massachusetts · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Walter J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Metal worker |
| Industry | Building |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 27
Suffolk, Massachusetts · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 37
Suffolk-County, Massachusetts · implied b. ~1903 — 5 household members
| Surname | Thompson |
| Given Name | Walter J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | printer |
| Industry | printing plant |
| Class of Worker | PW |
| Hours Worked | 126 |
| Income (1939) | 0 |
| Highest Grade | 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 Walter Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Thompson (~0.92 confidence) and mother Mary Thompson (~0.92 confidence) and father Walter Thompson (~0.92 confidence) and mother Mary Thompson (~0.92 confidence) and mother Mary Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Thompson
b. ~1845
Source father
● Household
· direct · ~0.92
Mother
Mary Thompson
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Walter Thompson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Thompson
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Thompson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Thompson
Son · 1940 · age 37 · b. ~1903 · Massachusetts
★ You are viewing this record
Sibling
Phyllis Thompson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thompson
Sibling · 1940 · age 29
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01676-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Mantle | 38 | daughter | Bookkeeper | Massachusetts |
| 42 | Harriet Robie | 49 | Head | — | Massachusetts |
| 43 | Angus Langill | 67 | Father | — | Canada English |
| 44 | Evelyn Langill | 23 | sister | Office Clerk | Massachusetts |
| 45 | Joseph M. Cobe | 69 | Head | — | Massachusetts |
| 46 | Hannah Cobe | 54 | sister | — | Massachusetts |
| 47 | Louisa F. Cobe | 50 | sister | — | Massachusetts |
| 48 | Robert W. Cobe | 47 | brother | Salesman | Massachusetts |
| 49 | Ethel Cobe | 37 | sister-in-law | Dressmaker | Massachusetts |
| 50 | Howard Earle | 20 | Head | Service Man | Massachusetts |
| 51 | Helen Earle | 20 | Wife | — | Massachusetts |
| 52 | Maureen Earle | 1 | daughter | — | Massachusetts |
| 53 | Charles J. Earle | 37 | Head | Installer | Massachusetts |
| 54 | Mary G. Earle | 39 | Wife | — | Massachusetts |
| 55 | William Earle | 11 | son | — | Massachusetts |
| 56 | Thomas Earle | 8 | son | — | Massachusetts |
| 57 | Virginia Earle | 6 | daughter | — | Massachusetts |
| 58 | Robert Earle | 5 | son | — | Massachusetts |
| 59 | Mary Earle | 3 | daughter | — | Massachusetts |
| 60 | Charles Earle | 1 | son | — | Massachusetts |
| 61 | Leo R. Thompson | 36 | Head | Fireman | Massachusetts |
| 62 | Eleanor Thompson | 38 | Wife | — | Massachusetts |
| 63 | Joan C. Thompson | 5 | daughter | — | Massachusetts |
| 64 | Walter L. Thompson | 2 | son | — | Massachusetts |
| 65 | Walter J. Thompson | 65 | Head | Fireman | Massachusetts |
| 66 | Mary A. Thompson | 64 | Wife | — | Massachusetts |
| 67 | Walter J. Thompson THIS PERSON | 37 | son | Printer | Massachusetts |
| 68 | Dorothy Thompson | 29 | daughter | Stenographer | Massachusetts |
| 69 | Phyllis Thompson | 23 | daughter | Stenographer | Massachusetts |
| 70 | Sydney J. Smith | 58 | Head | Laborer | New York |
| 71 | Lillian Smith | 49 | Wife | — | Massachusetts |
| 72 | Frederick L. Riley | 45 | Head | Accountant | Massachusetts |
| 73 | Anna Riley | 29 | Wife | — | Massachusetts |
| 74 | Frederick L. Jr. Riley | 1 | son | — | Massachusetts |
| 75 | Julia C. Riley | 80 | mother | — | Massachusetts |
| 76 | Clara Mulligan | 75 | Head | — | England |
| 77 | Martha O'Neil | 80 | lodger | — | Massachusetts |
| 78 | Nathan C. Hubley | 60 | Head | Proprietor | Canada English |
| 79 | Mary D. Hubley | 52 | Wife | — | Massachusetts |
| 80 | Harriet Pond | 76 | sister-in-law | — | Massachusetts |
Pedigree Summary
Walter + 2 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)