DT
Doris Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Doris Thompson across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Thompson |
| Given Name | Doris P |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Doris | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Thompson | Daughter | — | 15 | ~1925 |
| Fred Thompson | Head | — | 56 | ~1884 |
| Helen Thompson | Daughter | — | 28 | ~1912 |
| Doris Thompson | Daughter | — | 12 | ~1928 |
| Fred Thompson | Son | — | 19 | ~1921 |
| Raymond Thompson | Son | — | 16 | ~1924 |
| Theresa Thompson | Daughter | — | 32 | ~1908 |
| Warren Thompson | Son | — | 11 | ~1929 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 2
Middlesex, Massachusetts · implied b. ~1928 — 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 | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 12
Middlesex-County, Massachusetts · implied b. ~1928 — 8 household members
| Surname | Thompson |
| Given Name | Doris P |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 12 · b. ~1928 · Massachusetts
★ You are viewing this record
Sibling
Warren Thompson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Thompson
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Thompson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen 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 — 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-t0627-01702-00703)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret E Barlow | 32 | wife | — | Canada-English |
| 42 | James H Barlow | 13 | son | — | Massachusetts |
| 43 | Betty J Barlow | 6 | daughter | — | Massachusetts |
| 44 | Joan C Barlow | 4 | daughter | — | Massachusetts |
| 45 | Janet L Barlow | 4 | daughter | — | Massachusetts |
| 46 | John R Misty | 54 | Head | Chauffeur | New York |
| 47 | Mary E Misty | 54 | wife | — | Massachusetts |
| 48 | Anthony Pacheco | 47 | Head | Stitcher | Portugal |
| 49 | Mary E Pacheco | 52 | wife | — | Portugal |
| 50 | Rose L Pacheco | 13 | daughter | — | Massachusetts |
| 51 | Anthony Pacheco | 9 | son | — | Massachusetts |
| 52 | Mary A Garey | 78 | wife | — | North Ireland |
| 53 | Patrick J Guffey | 65 | Head | Sanitary Dept | North Ireland |
| 54 | Minnie C Guffey | 64 | wife | — | North Ireland |
| 55 | Salvatore Simeone | 62 | Head | Massage Maker | Italy |
| 56 | Mary Ann Simeone | 61 | wife | — | Italy |
| 57 | Joseph A Simeone | 23 | son | Clerk | Italy |
| 58 | Victor F Simeone | 20 | son | Shipper | Italy |
| 59 | Columbus A Simeone | 18 | son | Shipper | Massachusetts |
| 60 | Erico Fedele | 36 | Head | Head Shipper | Italy |
| 61 | Mary W Fedele | 31 | wife | — | Maine |
| 62 | Bernard Sanborn | 70 | Head | Packer | Sweden |
| 63 | Mary A Sanborn | 70 | wife | — | Ireland-North |
| 64 | Rose C Sanborn | 47 | daughter | Folder | Massachusetts |
| 65 | Theresa E Sanborn | 39 | daughter | Telephone Operator | Massachusetts |
| 66 | Mary R Sanborn | 33 | daughter | Clerk | Massachusetts |
| 67 | William B Sanborn | 46 | Head | Operator | Massachusetts |
| 68 | Ethel H Sanborn | 46 | wife | — | Massachusetts |
| 69 | William B Sanborn | 22 | son | Shipper | Massachusetts |
| 70 | Francis J Sanborn | 21 | son | Shipper | Massachusetts |
| 71 | Charles R Sanborn | 15 | son | Packer | Massachusetts |
| 72 | Ethel B Sanborn | 10 | daughter | — | Massachusetts |
| 73 | Fred B Thompson | 56 | Head | Gas Station Att | New Hampshire |
| 74 | Theresa A Thompson | 32 | daughter | Clerk | Massachusetts |
| 75 | Helen L Thompson | 28 | daughter | Maid | Massachusetts |
| 76 | Fred B Thompson | 19 | son | Packer | Massachusetts |
| 77 | Raymond F Thompson | 16 | son | — | Massachusetts |
| 78 | Gertrude M Thompson | 15 | daughter | — | Massachusetts |
| 79 | Doris P Thompson THIS PERSON | 12 | daughter | — | Massachusetts |
| 80 | Warren S Thompson | 11 | son | — | 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)