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Barbara Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Barbara Williams across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Williams |
| Given Name | Barbara A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynnfield Town |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lynnfield Town |
| Est. Birth Year | ~1927 |
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 Barbara | Age | Birth yr |
|---|---|---|---|---|
| Doris Williams | Daughter | — | 2 | ~1938 |
| Alexander Williams | Head | — | 44 | ~1896 |
| Mildred Williams | Spouse | — | 39 | ~1901 |
| Joanne Williams | Daughter | — | 6 | ~1934 |
| Priscilla Williams | Daughter | — | 9 | ~1931 |
| Grace Williams | Daughter | — | 14 | ~1926 |
| Mary Williams | Daughter | — | 15 | ~1925 |
| Barbara Williams | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Essex, Massachusetts
Daughter, age 3
Essex, Massachusetts · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Barbara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada English |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 13
Essex-County, Massachusetts · implied b. ~1927 — 8 household members
| Surname | Williams |
| Given Name | Barbara A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynnfield Town |
| 1935 Residence (County) | Essex |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 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 Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Barbara Williams
Daughter · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
Grace Williams
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Priscilla Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joanne Williams
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Williams
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Williams
Sibling · 1940 · age 15
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
40 people indexed on this census page (nara:1940:m-t0627-01585-00061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma W Bancroft | 37 | Wife | — | Massachusetts |
| 42 | Lizzie M Bancroft | 69 | Mother | — | Massachusetts |
| 43 | Alexander D Williams | 44 | Head | Painting Repairing | Massachusetts |
| 44 | Mildred A Williams | 39 | Wife | Repairing | Canada French |
| 45 | Mary E Williams | 15 | Daughter | — | Massachusetts |
| 46 | Grace E Williams | 14 | Daughter | — | Massachusetts |
| 47 | Barbara A Williams THIS PERSON | 13 | Daughter | — | Massachusetts |
| 48 | Priscilla Williams | 9 | Daughter | — | Massachusetts |
| 49 | Joanne S Williams | 6 | Daughter | — | Massachusetts |
| 50 | Doris K Williams | 2 | Daughter | — | Massachusetts |
| 51 | Phillip R Harding | 31 | Head | Indoor Salesman | Massachusetts |
| 52 | Anne R Harding | 29 | Wife | Teacher | Massachusetts |
| 53 | Phillip R Jr Harding | 6 | Son | — | Massachusetts |
| 54 | Frederick L Grace | 37 | Head | Mechanical Engineer | Vermont |
| 55 | Katherine Grace | 37 | Wife | — | Massachusetts |
| 56 | William R Grace | 7 | Son | — | Massachusetts |
| 57 | Virginia M Grace | 5 | Daughter | — | Massachusetts |
| 58 | William Mrs Gerry | 65 | Head | — | Massachusetts |
| 59 | Elbridge F Gerry | 28 | Son | Manufacture Mail | Massachusetts |
| 60 | Roger H Gerry | 25 | Son | Delivery Clerk | Massachusetts |
| 61 | Elbridge H Gerry | 57 | Head | President | Massachusetts |
| 62 | Catherine E Gerry | 50 | Wife | — | Massachusetts |
| 63 | Barbara Gerry | 20 | Daughter | Teacher Dramatics | Massachusetts |
| 64 | Samuel A Wormstead | 61 | Head | General Man | Massachusetts |
| 65 | Margaret Wormstead | 61 | Wife | — | Massachusetts |
| 66 | Helen D Wormstead | 41 | Daughter | Labeller | Massachusetts |
| 67 | Mary E Hilton | 52 | Head | — | Canada English |
| 68 | Evelyn S Hilton | 23 | Daughter | Servant | Massachusetts |
| 69 | Chauncey D Allen | 53 | Head | Traveling Salesman | Vermont |
| 70 | Lillian B Allen | 44 | Wife | — | Canada French |
| 71 | Raymond Grant | 34 | Head | Salesman | Massachusetts |
| 72 | Lucy Grant | 33 | Wife | — | Massachusetts |
| 73 | John F Caldwell | 55 | Head | Salesman | Massachusetts |
| 74 | Harriet J Caldwell | 56 | Wife | — | Rhode Island |
| 75 | Mary S Head | 72 | Lodger | — | Rhode Island |
| 76 | Sarah Sturtevant | 35 | Lodger | School Teacher | Massachusetts |
| 77 | Walter N Ober | 61 | Head | Office Manager | Massachusetts |
| 78 | Kittie E Ober | 59 | Wife | — | Massachusetts |
| 79 | Madera | 36 | Head | Stationary Engineer | Massachusetts |
| 80 | Marion Madera | 31 | Wife | — | 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)