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Lillian Hall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Lillian Hall across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hall |
| Given Name | Lillian |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Catherine Hall | Daughter | — | 16 | ~1924 |
| Helen Hall | Daughter | — | 19 | ~1921 |
| Dorothy Hall | Daughter | — | 10 | ~1930 |
| Catherine Hall | Spouse | — | 45 | ~1895 |
| Arthur Hall | Head | — | 50 | ~1890 |
| Lillian Hall | Daughter | — | 14 | ~1926 |
| Irene Hall | Daughter | — | 12 | ~1928 |
| Arthur Hall | Son | — | 7 | ~1933 |
Census Appearances
1930
Worcester, Massachusetts
Daughter, age 4
Worcester, Massachusetts · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Canada-English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 14
Middlesex-County, Massachusetts · implied b. ~1926 — 8 household members
| Surname | Hall |
| Given Name | Lillian |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Hall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillian Hall
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
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Sibling
Dorothy Hall
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Hall
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Hall
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hall
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Hall
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-t0627-01684-00780)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Calvin Jr Sullivan | 12 | Son | — | Massachusetts |
| 42 | Robert Sullivan | 11 | Son | — | Massachusetts |
| 43 | Charles Sullivan | 9 | Son | — | Massachusetts |
| 44 | Grady Harris | 40 | Brother | Checker | Georgia |
| 45 | Emma L. Brown | 39 | Head | General-Cook | Massachusetts |
| 46 | Perley A. Brown | 16 | Son | — | Massachusetts |
| 47 | Callie Jones | 64 | Aunt | — | Florida |
| 48 | Arthur Hall | 50 | Head | Meat Cutter | Kansas |
| 49 | Catherine Hall | 45 | Wife | Maid | Irish Free State |
| 50 | Helen Hall | 19 | daughter | Clerical | Massachusetts |
| 51 | Catherine A. Hall | 16 | daughter | — | Massachusetts |
| 52 | Lillian Hall THIS PERSON | 14 | daughter | — | Massachusetts |
| 53 | Irene Hall | 12 | daughter | — | Massachusetts |
| 54 | Dorothy Hall | 10 | daughter | — | Massachusetts |
| 55 | Arthur Hall | 7 | Son | — | Massachusetts |
| 56 | Harvey Thompson | 28 | Head | Hot-Carrier | North Carolina |
| 57 | John Thompson | 15 | Son | — | Massachusetts |
| 58 | Sadie King | 42 | Head | House Keeper | Canada-English |
| 59 | Alice King | 21 | daughter | Laundress | Canada-English |
| 60 | William Cochran | 51 | Head | Furniture Mover | Canada-English |
| 61 | Goldie M. Cochran | 55 | Wife | — | Canada-English |
| 62 | Anna Greenwood | 27 | daughter | Threader | Massachusetts |
| 63 | Nathaniel Cochran | 33 | Son | Elevator Operator | Massachusetts |
| 64 | John Cochran | 23 | Son | Laborer | Massachusetts |
| 65 | Rebecca Cochran | 26 | daughter | — | Massachusetts |
| 66 | Samuel Cochran | 20 | Son | Salesman | Massachusetts |
| 67 | Warren Cochran | 19 | Son | — | Massachusetts |
| 68 | Lloyd Cochran | 16 | Son | New Worker | Massachusetts |
| 69 | Joseph Cochran | 14 | Son | — | Massachusetts |
| 70 | Ruth Cochran | 12 | daughter | — | Massachusetts |
| 71 | James F. O'Leary | 31 | Head | Engineer | Massachusetts |
| 72 | Rose M. O'Leary | 23 | Wife | Laundress | Massachusetts |
| 73 | James Wilson | 33 | Head | Mechanic | Canada-English |
| 74 | Eva Wilson | 33 | Wife | — | Canada-English |
| 75 | Jean Wilson | 18 | daughter | Teacher | Canada-English |
| 76 | Glenn Wilson | 15 | Son | Clerk | Canada-English |
| 77 | Ralph Wilson | 14 | Son | — | Canada-English |
| 78 | Eva G. Wilson | 11 | daughter | — | Massachusetts |
| 79 | Jean Wilson | 7 | daughter | — | New Hampshire |
| 80 | Jane Wilson | 7 | daughter | — | New Hampshire |
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)