MW
Mildred Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mildred Williams across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents George & George — first a spouse (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Williams |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Arlington |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Sales Lady |
| Industry | Retail Candy Store |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 150 |
| Highest Grade | H 2 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesperson |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Elliott Williams | Head | — | 28 | ~1912 |
| Elliott Williams | Son | — | ~1940 | |
| Mildred Williams | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 3
Middlesex, Massachusetts · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mildred E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | North Carolina |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 13
Middlesex, Massachusetts · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | North Carolina |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 24
Middlesex-County, Massachusetts · implied b. ~1916 — 3 household members
| Surname | Williams |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Arlington |
| 1935 Residence (County) | Middlesex |
| Occupation | Sales Lady |
| Industry | Retail Candy Store |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 150 |
| Highest Grade | H 2 |
| 1935 Residence | Massachusetts |
| 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 Mildred Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Williams (~0.92 confidence) and father George Williams (~0.92 confidence) and mother Ethel Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Williams
b. ~1879
Source father
● Household
· direct · ~0.92
Father
George Williams
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ethel Williams
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Williams
Spouse · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
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-t0627-01705-00691)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Ventura | 15 | Daughter | — | Massachusetts |
| 2 | Anthony Di Biase | 27 | Head | Laborer | Massachusetts |
| 3 | Esther Di Biase | 26 | Wife | Saleslady | Massachusetts |
| 4 | Mary Di Biase | 21 | Sister | Saleslady | Massachusetts |
| 5 | John Abrahams | 50 | Head | Cement Mixer | Massachusetts |
| 6 | Julia Abrahams | 42 | Wife | Sorter | Nova Scotia |
| 7 | Thomas Abrahams | 45 | Brother | Laborer | Nova Scotia |
| 8 | Paul Miller | 34 | Head | Candy Maker | Massachusetts |
| 9 | Jane Miller | 30 | Wife | Typist | Massachusetts |
| 10 | Everet Brown | 43 | Head | Cement Mixer | Newfoundland |
| 11 | Gladys Brown | 33 | Wife | — | Maine |
| 12 | Joan Brown | 15 | Daughter | — | Canada-English |
| 13 | Norman Brown | 7 | Son | — | Massachusetts |
| 14 | Harvey Brown | 3 | Son | — | Massachusetts |
| 15 | Frederick Trider | 37 | Head | Porter | Massachusetts |
| 16 | Irene Trider | 31 | Wife | — | Massachusetts |
| 17 | Irene Trider | 8 | Daughter | — | Massachusetts |
| 18 | Beverly Trider | 4 | Daughter | — | Massachusetts |
| 19 | Norman Straton | 31 | Head | Sub Clerk | Vermont |
| 20 | Helen Straton | 38 | Wife | — | Massachusetts |
| 21 | Barbara Straton | 4 | Daughter | — | Massachusetts |
| 22 | William Hernon | 36 | Head | Laborer | Maine |
| 23 | Anna Hernon | 37 | Wife | — | Massachusetts |
| 24 | James Hernon | 10 | Son | — | Massachusetts |
| 25 | William Hernon | 5 | Son | — | Massachusetts |
| 26 | Victor Delvecchio | 31 | Head | Truck Driver | Rhode Island |
| 27 | Edna Delvecchio | 30 | Wife | — | Italy |
| 28 | John Delvecchio | 5 | Son | — | Massachusetts |
| 29 | William Delvecchio | 0 | Son | — | Massachusetts |
| 30 | John Delvecchio | 51 | Head | Boot Black | Italy |
| 31 | Isabell Delvecchio | 46 | Wife | — | Massachusetts |
| 32 | Elliott Williams | 28 | Head | Laborer | Massachusetts |
| 33 | Mildred Williams THIS PERSON | 24 | Wife | Sales Lady | Massachusetts |
| 34 | Elliott Williams | 0 | Son | — | Massachusetts |
| 35 | Philip Napolitano | 25 | Head | Asst Chemist | Maine |
| 36 | Edith Napolitano | 19 | Wife | — | Massachusetts |
| 37 | Severino Napolitano | 20 | Brother | Machinist | Maine |
| 38 | James Townsend | 48 | Head | Painter | Massachusetts |
| 39 | Lucy Townsend | 48 | Wife | — | Massachusetts |
| 40 | Margaret Anderson | 24 | Daughter | Sales Lady | Massachusetts |
Pedigree Summary
Mildred
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)