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Barbara Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Barbara Thompson across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Thompson |
| Given Name | Barbara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Hamilton Town |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Hamilton Town |
| Est. Birth Year | ~1930 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Barbara | Age | Birth yr |
|---|---|---|---|---|
| Barbara Thompson | Daughter | — | 10 | ~1930 |
| Ruth Thompson | Daughter | — | 8 | ~1932 |
| Dorothy Thompson | Daughter | — | 16 | ~1924 |
| Marion Thompson | Spouse | — | 41 | ~1899 |
| Eleanor Thompson | Daughter | — | 17 | ~1923 |
| Gordon Thompson | Son | — | 18 | ~1922 |
| Leland Thompson | Head | — | 43 | ~1897 |
Census Appearances
1930
Essex, Massachusetts
Daughter, age
Essex, Massachusetts · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Barbara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 10
Essex-County, Massachusetts · implied b. ~1930 — 7 household members
| Surname | Thompson |
| Given Name | Barbara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Hamilton Town |
| 1935 Residence (County) | Essex |
| Highest Grade | No 4 |
| 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 Barbara Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Barbara Thompson
Daughter · 1940 · age 10 · b. ~1930 · Massachusetts
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Sibling
Ruth Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Thompson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Thompson
Sibling · 1940 · age 17
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01579-01050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | J. Henry Sargent | 61 | Head | Cutter | England |
| 42 | Mary Ann Sargent | 60 | Wife | — | England |
| 43 | Margaret D. Sargent | 22 | Daughter | Service Accountant | Massachusetts |
| 44 | Lawrence D. Sargent | 37 | Son | Chauffeur | Massachusetts |
| 45 | J. Robert Grant | 44 | Head | 1St Mate | Illinois |
| 46 | Marjorie M. Grant | 30 | Wife | — | Germany |
| 47 | Ella S. Dodge | 55 | Head | — | Massachusetts |
| 48 | Walter E. Lawrence | 52 | Head | Laborer | Massachusetts |
| 49 | Lucy G. Lawrence | 57 | Sister | — | Massachusetts |
| 51 | Edward H. Sargent | 34 | Head | Carpenter | Massachusetts |
| 52 | Evelyn M. Sargent | 32 | Wife | — | Massachusetts |
| 53 | Geraldine Sargent | 10 | Daughter | — | Massachusetts |
| 54 | Shirley Adris Sargent | 9 | Daughter | — | Massachusetts |
| 55 | Shaun Sargent | 3 | Daughter | — | Massachusetts |
| 58 | Thomas Lloyd Jones | 36 | Head | Gardener | Massachusetts |
| 59 | Mabel B. Jones | 39 | Wife | — | Massachusetts |
| 60 | Thomas Lloyd Jr. Jones | 5 | Son | — | Massachusetts |
| 61 | Raymond A. Jones | 4 | Son | — | Massachusetts |
| 62 | Leland D. Thompson | 43 | Head | Road Surveyor | Massachusetts |
| 63 | Marion Thompson | 41 | Wife | — | Massachusetts |
| 64 | Gordon Thompson | 18 | Son | — | Massachusetts |
| 65 | Eleanor Thompson | 17 | Daughter | Clerk | Massachusetts |
| 66 | Dorothy Thompson | 16 | Daughter | — | Massachusetts |
| 67 | Barbara Thompson THIS PERSON | 10 | Daughter | — | Massachusetts |
| 68 | Ruth Thompson | 8 | Daughter | — | Massachusetts |
| 70 | Hans C. Nielsen | 51 | Head | Gardener | Denmark |
| 71 | Alma E. Nielsen | 50 | Wife | — | Finland |
| 72 | Norman A. Nielsen | 19 | Son | — | Massachusetts |
| 73 | Anne M. Nielsen | 12 | Daughter | — | Massachusetts |
| 74 | Saul Meyer | 50 | Head | Proprietor | Georgia |
| 75 | Marian Meyer | 42 | Wife | — | Massachusetts |
| 76 | Edward Meyer | 21 | Son | Asst. Proprietor | Massachusetts |
| 77 | Sidney Meyer | 14 | Son | — | Massachusetts |
| 78 | Elizabeth Meyer | 13 | Daughter | — | Massachusetts |
| 79 | Edwin Whipple Mcgregor | 63 | Head | Contractor | Massachusetts |
| 80 | Emma Caroline Mcgregor | 63 | Wife | — | Massachusetts |
Related Census Records
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)