LR
Lillian Robinson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Lillian Robinson across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 5-person household.
Age 14
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Robinson |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1926 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| James Robinson | Son | — | 10 | ~1930 |
| Marie Robinson | Daughter | — | 12 | ~1928 |
| Lillian Robinson | Daughter | — | 14 | ~1926 |
| Lillian Robinson | Spouse | — | 38 | ~1902 |
| Orrin Robinson | Head | — | 48 | ~1892 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 4
Middlesex, Massachusetts · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Northern Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 14
Middlesex-County, Massachusetts · implied b. ~1926 — 5 household members
| Surname | Robinson |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| 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 Lillian Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillian Robinson
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
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Sibling
James Robinson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Robinson
Sibling · 1940 · age 12
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-t0627-01683-00750)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Tony D'Harmi | 54 | Head | Barber | Italy |
| 2 | Rose D'Harmi | 37 | Wife | — | Italy |
| 3 | Mary D'Harmi | 16 | Daughter | — | Massachusetts |
| 4 | Tony Jr. D'Harmi | 14 | Son | — | Massachusetts |
| 5 | Teresa D'Harmi | 12 | Daughter | — | Massachusetts |
| 6 | Harry Singly | 28 | Head | Machinist | Canada-French |
| 7 | Dorothy Singly | 25 | Wife | — | Massachusetts |
| 8 | Dorothy Singly | 6 | Daughter | — | Massachusetts |
| 9 | Barbara Singly | 3 | Daughter | — | Massachusetts |
| 10 | Margaret Morrison | 74 | Head | Cook | Eire |
| 11 | George Cutter | 25 | Head | Laborer | Massachusetts |
| 12 | Rosie Cutter | 21 | Wife | — | Canada-English |
| 13 | George Cutter | 2 | Son | — | Massachusetts |
| 14 | Gertrude Bush | 25 | Head | Waitress | Massachusetts |
| 15 | Betty Bush | 4 | Daughter | — | Massachusetts |
| 16 | Pearl V. Mcdonald | 48 | Head | Painter | Massachusetts |
| 17 | Melvin Mcdonald | 58 | Lodger | — | Massachusetts |
| 18 | William E. Driscoll | 49 | Head | Laborer | Massachusetts |
| 19 | Margaret M. Driscoll | 52 | Wife | — | Massachusetts |
| 20 | Henry Everett | 43 | Head | Laborer | Massachusetts |
| 21 | Sarah Everett | 36 | Wife | Maid | Massachusetts |
| 22 | Margaret Everett | 17 | Daughter | Maid | Massachusetts |
| 23 | Henry J. Jr. Everett | 15 | Son | — | Massachusetts |
| 24 | Kenneth Laidlaw | 24 | Head | Assistant Foreman | Maine |
| 25 | Sheila Laidlaw | 25 | Wife | — | Massachusetts |
| 26 | Kenneth Jr. Laidlaw | 0 | Son | — | Massachusetts |
| 27 | Herbert Hollis | 32 | Lodger | Laborer | Massachusetts |
| 28 | Orrin J. Robinson | 48 | Head | Candy Maker | New Hampshire |
| 29 | Lillian Robinson | 38 | Wife | — | Massachusetts |
| 30 | Lillian Robinson THIS PERSON | 14 | Daughter | — | Massachusetts |
| 31 | Marie Robinson | 12 | Daughter | — | Massachusetts |
| 32 | James Robinson | 10 | Son | — | Massachusetts |
| 33 | John Sewall | 47 | Head | Bar Tender | Germany |
| 34 | Winifred Sewall | 28 | Wife | — | Massachusetts |
| 35 | Margaret Sewall | 8 | Daughter | — | Massachusetts |
| 36 | Sarah Graney | 66 | Mother-in-law | — | Massachusetts |
| 37 | Frank Walsh | 34 | Head | Laborer On Truck | New Hampshire |
| 38 | Edna Walsh | 30 | Wife | — | Massachusetts |
| 39 | Frank Walsh | 10 | Son | — | Massachusetts |
| 40 | Frederick Walsh | 9 | 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)