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Lois Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Lois Williams across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Williams |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Shirley Williams | Daughter | — | 7 | ~1933 |
| Dorothy Williams | Daughter | — | 14 | ~1926 |
| Lois Williams | Daughter | — | 12 | ~1928 |
| Joan Williams | Daughter | — | 11 | ~1929 |
| Gloria Williams | Daughter | — | 10 | ~1930 |
| Adelaide Williams | Head | — | 34 | ~1906 |
| Robert Williams | Son | — | 2 | ~1938 |
| Ralph Williams | Son | — | 3 | ~1937 |
| John Williams | Son | — | 8 | ~1932 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 2
Suffolk, Massachusetts · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lois |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 12
Suffolk-County, Massachusetts · implied b. ~1928 — 9 household members
| Surname | Williams |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| 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 Lois Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Williams
Daughter · 1940 · age 12 · b. ~1928 · Massachusetts
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Sibling
John Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Williams
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Williams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Williams
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Williams
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Williams
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1940 · age 2
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01667-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gus Hamilton | 33 | Head | Laborer | South Carolina |
| 2 | Minnie Hamilton | 35 | Wife | — | South Carolina |
| 3 | Mattie Hamilton | 14 | Daughter | — | South Carolina |
| 4 | Mary Hamilton | 11 | Daughter | — | Massachusetts |
| 5 | Agustus Hamilton | 10 | Son | — | Massachusetts |
| 6 | Gloria Hamilton | 8 | Daughter | — | Massachusetts |
| 7 | Iloria Hamilton | 5 | Daughter | — | Massachusetts |
| 8 | Raymond Hamilton | 2 | Son | — | Massachusetts |
| 9 | Lucie Harrison | 52 | Head | Seamstress | Virginia |
| 10 | Francis Welles | 26 | Niece | — | Massachusetts |
| 11 | Richard Welles | 5 | Nephew | — | Massachusetts |
| 12 | Philip Dennison | 64 | Head | Elevator Operator | Maryland |
| 13 | Laura Dennison | 55 | Wife | — | Massachusetts |
| 14 | Florence Banter | 26 | Boarder | Seamstress | Pennsylvania |
| 15 | Adelaide Williams | 34 | Head | — | Georgia |
| 16 | Dorothy Williams | 14 | Daughter | — | Massachusetts |
| 17 | Lois Williams THIS PERSON | 12 | Daughter | — | Massachusetts |
| 18 | Joan Williams | 11 | Daughter | — | Massachusetts |
| 19 | Gloria Williams | 10 | Daughter | — | Massachusetts |
| 20 | John Williams | 8 | Son | — | Massachusetts |
| 21 | Shirley Williams | 7 | Daughter | — | Massachusetts |
| 22 | Ralph Williams | 3 | Son | — | Massachusetts |
| 23 | Robert Williams | 2 | Son | — | Massachusetts |
| 24 | Frederick Miranda | 28 | Head | Waiter | Alabama |
| 25 | Johanna Miranda | 44 | Wife | Cook | Alabama |
| 26 | Richard Lewis | 57 | Head | Janitor | Virginia |
| 27 | Marie Lewis | 53 | Wife | — | Virginia |
| 28 | Mary Jones | 38 | Head | Chambermaid | Massachusetts |
| 29 | James Gordon | 52 | Head | Cook | Tennessee |
| 30 | Celia Gordon | 51 | Wife | — | Tennessee |
| 31 | James Jr. Gordon | 20 | Son | Waiter | Tennessee |
| 32 | Minnie Lucane | 32 | Head | Seamstress | Florida |
| 33 | William W. Lucane | 12 | Son | — | Massachusetts |
| 34 | Earvin Lucane | 33 | Son | — | Massachusetts |
| 35 | Annie Powell | 52 | Mother | — | Florida |
| 36 | Hattie Mitchell | 53 | Head | — | Massachusetts |
| 37 | Laura Mitchell | 22 | Daughter | Seamstress | Massachusetts |
| 38 | David Mitchell | 19 | Son | Porter | Massachusetts |
| 39 | David Swan | 62 | Head | Butler | Connecticut |
| 40 | Sarah Swan | 61 | Wife | Maid | Connecticut |
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)