RT
Richard Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Richard Thompson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Lillian & Sumner — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Thompson |
| Given Name | Richard V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford |
| Additional Details | |
| Occupation | News worker |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Mass. |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | News Worker |
| Township / Ward | Boston City |
| Est. Birth Year | ~1918 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Thompson | Daughter | — | 28 | ~1912 |
| Lillian Thompson | Head | — | 55 | ~1885 |
| Archibald Thompson | Son | — | 30 | ~1910 |
| Richard Thompson | Son | — | 22 | ~1918 |
Census Appearances
1920
Norfolk, Massachusetts
Son, age 1
Norfolk, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Richard G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada |
| Occupation | none |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Norfolk, Massachusetts
Son, age 11
Norfolk, Massachusetts · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Richard N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 22
Suffolk-County, Massachusetts · implied b. ~1918 — 4 household members
| Surname | Thompson |
| Given Name | Richard V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford |
| Occupation | News worker |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Mass. |
| 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 Richard Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Lillian Thompson (~0.92 confidence) and father Sumner Thompson (~0.92 confidence) and father George Thompson (~0.92 confidence) and mother Dorothy Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lillian Thompson
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Sumner Thompson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
George Thompson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Dorothy Thompson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Thompson
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Archibald Thompson
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Thompson
Sibling · 1940 · age 28
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
39 people indexed on this census page (nara:1940:m-t0627-01677-00501)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie G. Cahill | 58 | Wife | Housewife | Massachusetts |
| 2 | Francis Cahill | 21 | Son | Clerk | Massachusetts |
| 3 | Patrick F. Dowling | 61 | Head | Fireman | Ireland |
| 4 | Catherine M. Dowling | 57 | Wife | Housewife | Massachusetts |
| 5 | Francis P. Dowling | 17 | Son | — | Massachusetts |
| 6 | Alice M. Dowling | 15 | Daughter | — | Massachusetts |
| 7 | Annie Murphy | 69 | Head | Housekeeper | Ireland |
| 8 | Francis Murphy | 29 | Son | Student | Massachusetts |
| 9 | Martin Windedale | 42 | Head | Painter | Norway |
| 10 | Estrid Windedale | 44 | Wife | Housewife | Norway |
| 11 | Marion Windedale | 12 | Daughter | — | Massachusetts |
| 12 | Olga Windedale | 6 | Son | — | Massachusetts |
| 13 | Lillian E. Thompson | 55 | Head | Housekeeper | Canada |
| 14 | Archibald Thompson | 30 | Son | Photographer | Massachusetts |
| 15 | Marguerite L. Thompson | 28 | Daughter | Cashier | Massachusetts |
| 16 | Richard V. Thompson THIS PERSON | 22 | Son | News Worker | Massachusetts |
| 17 | David F. Nayle | 40 | Head | Mechanic | Massachusetts |
| 18 | Anna E. Nayle | 38 | Wife | Housewife | Massachusetts |
| 19 | Maria Nayle | 13 | Daughter | — | Massachusetts |
| 20 | Janice Nayle | 8 | Daughter | — | Massachusetts |
| 21 | Francis Nayle | 5 | Son | — | Massachusetts |
| 22 | George E. Cronin | 35 | Brother | — | Massachusetts |
| 23 | Rose V. Cronin | 35 | Sister | Housekeeper | Massachusetts |
| 24 | Geraldine Cronin | 7 | Niece | — | Massachusetts |
| 25 | Patricia Cronin | 2 | Niece | — | Massachusetts |
| 26 | Beverly Cronin | 0 | Niece | — | Massachusetts |
| 27 | Charles Campbell | 31 | Head | Electroplater | Massachusetts |
| 28 | Catherine Campbell | 26 | Wife | Housewife | Massachusetts |
| 29 | Charles Campbell | 7 | Son | — | Massachusetts |
| 30 | Richard Campbell | 5 | Son | — | Massachusetts |
| 31 | Robert Campbell | 3 | Son | — | Massachusetts |
| 32 | Bruce Campbell | 2 | Son | — | Massachusetts |
| 33 | Joseph P. Botti | 29 | Head | — | Massachusetts |
| 34 | Veronica Botti | 27 | Wife | Housewife | Massachusetts |
| 35 | Veronica Botti | 2 | Daughter | — | Massachusetts |
| 36 | Maxwell Robbins | 32 | Head | Clerk | Massachusetts |
| 37 | Alice T. Robbins | 32 | Wife | Housewife | Massachusetts |
| 38 | Richard M. Robbins | 2 | Son | — | Massachusetts |
| 39 | Rose Burke | 67 | Head | Housekeeper | Ireland |
Pedigree Summary
Richard + 2 siblings
Gen 1 · 4 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)