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Roger Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Roger Williams across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Williams |
| Given Name | Roger |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | St Clair |
| 1935 Residence (County) | St Clair |
| Additional Details | |
| Occupation | millwright |
| Industry | auto factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1280 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Millwright |
| Township / Ward | St Clair |
| Est. Birth Year | ~1917 |
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 Roger | Age | Birth yr |
|---|---|---|---|---|
| John Williams | Head | — | 71 | ~1869 |
| Anna Williams | Spouse | — | 63 | ~1877 |
| Bernice Williams | Daughter | — | 22 | ~1918 |
| Roger Williams | Son | — | 23 | ~1917 |
Census Appearances
1920
St Clair, …
Son, age 3
St Clair, Michigan · implied b. ~1917 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Roger |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
St Clair, …
Son, age 13
St Clair, Michigan · implied b. ~1917 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Roger |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Son, age 23
St.-Clair-County, Michigan · implied b. ~1917 — 4 household members
| Surname | Williams |
| Given Name | Roger |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | St Clair |
| 1935 Residence (County) | St Clair |
| Occupation | millwright |
| Industry | auto factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1280 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Roger 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 father John Williams (~0.92 confidence) and mother Anna Williams (~0.92 confidence) and mother Annie Williams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Williams
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Williams
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Anna Williams
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Annie Williams
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roger Williams
Son · 1940 · age 23 · b. ~1917 · Michigan
★ You are viewing this record
Sibling
Bernice Williams
Sibling · 1940 · age 22
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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01816-00975)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Howard Williams | 10 | son | — | Michigan |
| 42 | Theresa Williams | 8 | daughter | — | Michigan |
| 43 | Phyllis Williams | 5 | daughter | — | Michigan |
| 44 | John Williams | 71 | Head | Operating | Michigan |
| 45 | Anna D Williams | 63 | wife | — | Michigan |
| 46 | Roger Williams THIS PERSON | 23 | son | Millwright | Michigan |
| 47 | Bernice Williams | 22 | daughter | — | Michigan |
| 48 | Mary B Stine | 68 | Head | Operating | Michigan |
| 49 | Walter Wolf | 47 | Head | Operating | Michigan |
| 50 | Joseph Grief | 75 | Head | Operating | Michigan |
| 51 | Louise Grief | 76 | wife | — | Michigan |
| 52 | Margit Briggman | 46 | Niece | — | Michigan |
| 53 | Barbara Grief | 71 | Head | Operating | Michigan |
| 54 | Miles Zimmer | 22 | nephew | Helper | Michigan |
| 55 | Arthur Jr. Pauly | 22 | nephew | Metal Finisher | Michigan |
| 56 | Mildred Pauly | 24 | niece | — | Michigan |
| 57 | Rosemary Pauly | 1 | niece | — | Michigan |
| 58 | Omar Bell | 50 | Head | Operating | Michigan |
| 59 | Hazel D Bell | 19 | daughter | — | Michigan |
| 60 | June Bell | 16 | daughter | — | Michigan |
| 61 | Lawrence Dittelrath | 48 | Head | Operating | Michigan |
| 62 | Emily S Dittelrath | 39 | wife | — | Michigan |
| 63 | Violet Dittelrath | 17 | daughter | — | Michigan |
| 64 | Edward Dittelrath | 12 | son | — | Michigan |
| 65 | Ina Dittelrath | 9 | daughter | — | Michigan |
| 66 | George Dittelrath | 8 | son | — | Michigan |
| 67 | Kenneth Dittelrath | 2 | son | — | Michigan |
| 68 | George O Meyers | 70 | Head | Operating | Michigan |
| 69 | Susan Meyers | 69 | wife | — | Michigan |
| 70 | Ross Patterson | 14 | boarder | — | Michigan |
| 71 | Albert J Borland | 39 | Head | Operating | Massachusetts |
| 72 | Hazel B Borland | 41 | wife | — | Michigan |
| 73 | Maxine J Borland | 16 | daughter | — | Michigan |
| 74 | Dora M Borland | 14 | daughter | — | Michigan |
| 75 | Dwayne J Borland | 13 | son | — | Michigan |
| 76 | Beatrice N Borland | 7 | daughter | — | Michigan |
| 77 | Albert Jr. Borland | 5 | son | — | Michigan |
| 78 | Patricia M Borland | 2 | daughter | — | Michigan |
| 79 | Sally J Borland | 0 | daughter | — | Michigan |
| 80 | Arthur Dillon | 48 | Head | Farming | Michigan |
Pedigree Summary
Roger + 1 sibling
Gen 1 · 4 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)