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Lillian Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Lillian Williams across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 7-person household.
Age 37
b. ~1903
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Williams |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville, City of |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City Of |
| Est. Birth Year | ~1903 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Lillian Williams | Daughter | — | 14 | ~1926 |
| Harold Williams | Head | — | 41 | ~1899 |
| John Williams | Son | — | 17 | ~1923 |
| Arthur Williams | Son | — | 9 | ~1931 |
| Raymond Williams | Son | — | 15 | ~1925 |
| Earl Williams | Son | — | 12 | ~1928 |
| Lillian Williams | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 17
Middlesex, Massachusetts · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lillian M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Spouse, age 27
Middlesex, Massachusetts · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 17 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Canada English |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 37
Middlesex-County, Massachusetts · implied b. ~1903 — 7 household members
| Surname | Williams |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville, City of |
| 1935 Residence (County) | Middlesex |
| Highest Grade | Hs 2 |
| 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 Lillian Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lillian Williams
Spouse · 1940 · age 37 · b. ~1903 · Massachusetts
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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
39 people indexed on this census page (nara:1940:m-t0627-01702-00208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | John Williams | 64 | Head | Baker | Eire |
| 3 | Clara Williams | 63 | Wife | — | Eire |
| 4 | Dion Frost | 49 | Boarder | Peddler | Maine |
| 5 | Harold Williams | 41 | Head | Peddler | Massachusetts |
| 6 | Lillian Williams THIS PERSON | 37 | Wife | — | Massachusetts |
| 7 | John Williams | 17 | Son | — | Massachusetts |
| 8 | Raymond Williams | 15 | Son | — | Massachusetts |
| 9 | Lillian Williams | 14 | Daughter | — | Massachusetts |
| 10 | Earl Williams | 12 | Son | — | Massachusetts |
| 11 | Arthur Williams | 9 | Son | — | Massachusetts |
| 12 | Joseph Flanagan | 45 | Head | Manager Store | W. Virginia |
| 13 | Helen M. Flanagan | 44 | Wife | — | Massachusetts |
| 14 | John Cruda | 33 | Head | Chauffeur | Massachusetts |
| 15 | Mary Cruda | 30 | Wife | — | Portugal |
| 16 | John Cruda | 10 | Son | — | Massachusetts |
| 17 | Mary Cruda | 7 | Daughter | — | Massachusetts |
| 18 | Ellen Pike | 55 | Head | — | Eire |
| 19 | John Pike | 33 | Son | Barber | Massachusetts |
| 20 | Albina Pike | 26 | Daughter | Salesgirl | Massachusetts |
| 21 | Marguerite Pike | 20 | Daughter | Packer | Massachusetts |
| 22 | Harold Winsor | 34 | Son-in-law | Truck Driver | Massachusetts |
| 23 | Bertha Winsor | 25 | Daughter | — | Massachusetts |
| 24 | Geraldine Winsor | 7 | Daughter | — | Massachusetts |
| 25 | Jean Winsor | 4 | Daughter | — | Massachusetts |
| 26 | Doris Butterworth | 34 | Head | Housekeeper | Massachusetts |
| 27 | Edith Butterworth | 15 | Daughter | — | Massachusetts |
| 28 | Donald Butterworth | 27 | Brother | — | Massachusetts |
| 29 | Pearl Connelly | 44 | Head | Housekeeper | Massachusetts |
| 30 | John Connelly | 15 | Son | Laborer | Massachusetts |
| 31 | Louise Connelly | 17 | Daughter | — | Massachusetts |
| 32 | John Billings | 45 | Head | Candy Maker | Eire |
| 33 | Concetta Billings | 41 | Wife | — | Italy |
| 34 | Josephine Billings | 15 | Daughter | — | Massachusetts |
| 35 | Helen Billings | 13 | Daughter | — | Massachusetts |
| 36 | Lucy Billings | 10 | Daughter | — | Massachusetts |
| 37 | Rose Marie Billings | 5 | Daughter | — | Massachusetts |
| 38 | C. John Gibson | 24 | Head | Laborer | Maine |
| 39 | Augusta Gibson | 23 | Wife | — | Massachusetts |
| 40 | Frances Gibson | 3 | 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)