JW
John Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this John Williams across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a head (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Head
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Williams |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Worcester city |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Card Setter |
| Industry | Mfg Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2250 |
| Highest Grade | No |
| 1935 Residence | Same house |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Card Setter |
| Township / Ward | Worcester City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Patricia Williams | Daughter | — | 2 | ~1938 |
| John Williams | Head | — | 37 | ~1903 |
| John Williams | Son | — | 5 | ~1935 |
| Margaret Williams | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 17
Worcester, Massachusetts · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | Student |
| Industry | High School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Worcester, Massachusetts
Son, age 26
Worcester, Massachusetts · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | Card Setter |
| Industry | Card Machinery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Worcester-County, Massachusetts
Head, age 37
Worcester-County, Massachusetts · implied b. ~1903 — 4 household members
| Surname | Williams |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Worcester city |
| 1935 Residence (County) | Worcester |
| Occupation | Card Setter |
| Industry | Mfg Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2250 |
| Highest Grade | No |
| 1935 Residence | Same house |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 John Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Williams (~0.92 confidence) and mother Elizabeth Williams (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Williams
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Williams
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Williams
Head · 1940 · age 37 · b. ~1903 · 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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01715-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alfred Roy | 69 | Father-in-law | Old Age Assistance | Canada |
| 2 | Howard Dalton | 45 | Head | Leather Worker | Massachusetts |
| 3 | Leah Dalton | 43 | Wife | Shoe Shop | Massachusetts |
| 4 | Jennie David | 41 | Sister-in-law | Shoe Shop | Massachusetts |
| 5 | Mabel Mullens | 38 | Boarder | Matron | Massachusetts |
| 6 | Leander Gillette | 45 | Head | Plating | Massachusetts |
| 7 | Leah Gillette | 43 | Wife | Housewife | Massachusetts |
| 8 | Leander Gillette | 22 | Son | Welder | Massachusetts |
| 9 | Ernest Gillette | 17 | Son | — | Massachusetts |
| 10 | Paul Gillette | 12 | Son | — | Massachusetts |
| 11 | Wilfred Caron | 31 | Head | Painter | Massachusetts |
| 12 | Helen Caron | 24 | Wife | Housewife | Massachusetts |
| 13 | Shirley Caron | 4 | Daughter | — | Massachusetts |
| 14 | Wilfred Jr. Caron | 0 | Son | — | Massachusetts |
| 15 | Frank Therien | 54 | Head | Bus Operator | Massachusetts |
| 16 | Albina Therien | 50 | Wife | Housewife | Massachusetts |
| 17 | Francis Therien | 19 | Son | — | Massachusetts |
| 18 | Madeline Therien | 17 | Daughter | — | Massachusetts |
| 19 | Ruth Therien | 16 | Adopted daughter | — | Massachusetts |
| 20 | James Haran | 32 | Head | Truck Driver | Massachusetts |
| 21 | Mary Haran | 32 | Wife | Housewife | Rhode Island |
| 22 | Nancy Haran | 6 | Daughter | — | Massachusetts |
| 23 | Robert Haran | 4 | Son | — | Massachusetts |
| 24 | Elizabeth Williams | 69 | Mother-in-law | — | Rhode Island |
| 25 | John Williams THIS PERSON | 37 | Head | Card Setter | Rhode Island |
| 26 | Margaret Williams | 34 | Wife | Housewife | Massachusetts |
| 27 | John Williams | 5 | Son | — | Massachusetts |
| 28 | Patricia Williams | 2 | Daughter | — | Massachusetts |
| 29 | Malcolm Reno | 31 | Head | Civil Engineer | Massachusetts |
| 30 | Irene Reno | 30 | Wife | Housewife | Massachusetts |
| 31 | Richard Reno | 5 | Son | — | Massachusetts |
| 32 | Dennis Reno | 0 | Son | — | Massachusetts |
| 33 | Denise Reno | 0 | Daughter | — | Massachusetts |
| 34 | Joseph King | 44 | Head | Percher | Massachusetts |
| 35 | Lillian King | 44 | Wife | Millinery | Rhode Island |
| 36 | Marion King | 21 | Daughter | Housework | Massachusetts |
| 37 | John Hughes | 33 | Boarder | Chauffeur | Massachusetts |
| 38 | Patrick Halpin | 65 | Head | Foreman | Ireland |
| 39 | Mary Halpin | 67 | Wife | Housewife | Massachusetts |
| 40 | Napoleon Manderille | 49 | Head | Meat Mgr | Massachusetts |
Pedigree Summary
John
Gen 1 · 2 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)