DT
Doris Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Doris Thompson across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Thompson |
| Given Name | Doris M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | New Worker |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | New Worker |
| Township / Ward | Chelsea City |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Doris | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Thompson | Son | — | 4 | ~1936 |
| William Thompson | Son | — | 7 | ~1933 |
| Mary Thompson | Daughter | — | 10 | ~1930 |
| Alice Thompson | Daughter | — | 14 | ~1926 |
| Clifford Thompson | Son | — | 11 | ~1929 |
| Doris Thompson | Daughter | — | 18 | ~1922 |
| Clifford Thompson | Head | — | 41 | ~1899 |
| Alice Thompson | Spouse | — | 38 | ~1902 |
| Kathleen Thompson | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 7
Suffolk, Massachusetts · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 18
Suffolk-County, Massachusetts · implied b. ~1922 — 9 household members
| Surname | Thompson |
| Given Name | Doris M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea city |
| 1935 Residence (County) | Suffolk |
| Occupation | New Worker |
| Highest Grade | H 3 |
| 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 Doris Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Doris Thompson
Daughter · 1940 · age 18 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
Lawrence Thompson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Thompson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Thompson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thompson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Thompson
Sibling · 1940 · age 14
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-t0627-01641-00577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John T. Ellis | 38 | Head | Fireman | Massachusetts |
| 2 | Madeline E. Ellis | 34 | Wife | Housekeeper | Massachusetts |
| 3 | Joan Ellis | 8 | Daughter | — | Massachusetts |
| 4 | Madeline P. Ellis | 1 | Daughter | — | Massachusetts |
| 5 | Mary Cronan | 58 | Mother-in-law | — | Massachusetts |
| 6 | Anthony De Costa | 35 | Head | Stenographer | Canada French |
| 7 | Florence De Costa | 35 | Wife | Fish Cutter | Massachusetts |
| 8 | Alice J. De Costa | 5 | Daughter | Housekeeper | Massachusetts |
| 9 | Anthony J. De Costa | 1 | Son | — | Massachusetts |
| 10 | Elizabeth A. De Costa | 0 | Daughter | — | Massachusetts |
| 11 | Clifford Thompson | 41 | Head | Stevedore | Canada French |
| 12 | Alice Thompson | 38 | Wife | Housekeeper | Massachusetts |
| 13 | Doris M. Thompson THIS PERSON | 18 | Daughter | New Worker | Massachusetts |
| 14 | Kathleen Thompson | 16 | Daughter | New Worker | Massachusetts |
| 15 | Alice E. Thompson | 14 | Daughter | New Worker | Massachusetts |
| 16 | Clifford H. Thompson | 11 | Son | — | Massachusetts |
| 17 | Mary E. Thompson | 10 | Daughter | — | Massachusetts |
| 18 | William F. Thompson | 7 | Son | — | Massachusetts |
| 19 | Lawrence E. Thompson | 4 | Son | — | Massachusetts |
| 20 | Leo Doores | 33 | Head | Puller In Wash Room | New Hampshire |
| 21 | Helen Doores | 28 | Wife | Housekeeper | Massachusetts |
| 22 | Leo Doores | 7 | Son | — | Massachusetts |
| 23 | Joan Doores | 4 | Daughter | — | Massachusetts |
| 24 | Edward Canall | 28 | Head | Fireman | Massachusetts |
| 25 | Mildred Canall | 25 | Wife | Housekeeper | Massachusetts |
| 26 | Joan M. Canall | 6 | Daughter | — | Massachusetts |
| 27 | Mary E. Canall | 4 | Daughter | — | Massachusetts |
| 28 | Mildred A. Canall | 2 | Daughter | — | Massachusetts |
| 29 | John Canall | 24 | Brother | Assistant Truck Driver | Massachusetts |
| 30 | Fred Druken | 28 | Head | Coal Bagger | Newfoundland |
| 31 | Phoebe Druken | 30 | Wife | House Work | Canada English |
| 32 | Marian E. Druken | 6 | Daughter | — | Massachusetts |
| 33 | Peter M. Bushee | 66 | Head | Grocer | Canada French |
| 34 | Alvina Bushee | 56 | Wife | Housekeeper | Canada French |
| 35 | Charley Quinn | 31 | Son-in-law | Steam Fitter | Massachusetts |
| 36 | Beatrice Quinn | 28 | Daughter | Housekeeper | Massachusetts |
| 37 | Peter M. Quinn | 2 | Grandson | — | Massachusetts |
| 38 | Cornelius Connally | 40 | Head | Laundry | Eire |
| 39 | Margaret Connally | 35 | Wife | Housekeeper | Eire |
| 40 | Ann Marie Connally | 4 | Daughter | — | Massachusetts |
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)