JW
John Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marquette-County, Michigan
Our Model Tree links this John Williams across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed), with identified parents John & Richard — first a son (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Male
Son
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Michigan |
| Surname | Williams |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Marquette City |
| 1935 Residence (County) | Marquette |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 764 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Truck Driver |
| Township / Ward | Marquette City |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruth Williams | Daughter | — | 38 | ~1902 |
| Richard Williams | Head | — | 62 | ~1878 |
| Gertrude Williams | Other | — | 27 | ~1913 |
| John Williams | Son | — | 33 | ~1907 |
| Ada Williams | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Marquette, Michigan
Son, age 12
Marquette, Michigan · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | England |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
Son, age 23
Marquette, Michigan · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | William |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | England |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Marquette-County, Michigan
Son, age 33
Marquette-County, Michigan · implied b. ~1907 — 5 household members
| Surname | Williams |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Marquette City |
| 1935 Residence (County) | Marquette |
| Occupation | Truck Driver |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 764 |
| Highest Grade | H-1 |
| 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 John Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John William (~0.92 confidence) and father Richard Williams (~0.92 confidence) and father John Williams (~0.92 confidence) and mother Louise Williams (~0.92 confidence) and mother Ada Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John William
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Richard Williams
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Williams
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Louise Williams
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Ada Williams
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Williams
Son · 1940 · age 33 · b. ~1907 · Michigan
★ You are viewing this record
Sibling
Ruth Williams
Sibling · 1940 · age 38
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 — Marquette-County, Michigan
Open full size
1940 US Federal Census — Marquette-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01786-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Evangeline Cain | 42 | Wife | — | Michigan |
| 42 | Grace Cain | 22 | Daughter | Employee | Michigan |
| 43 | Gerald Cain | 20 | Son | Car Repairer | Michigan |
| 44 | Clyde Cain | 19 | Son | — | Michigan |
| 45 | Isabell Cain | 18 | Daughter | — | Michigan |
| 46 | Jean Cain | 16 | Daughter | — | Michigan |
| 47 | Doris Bouron | 53 | Head | Stenographer | Michigan |
| 48 | Lloyd Bouron | 51 | Brother | Sick | Michigan |
| 49 | Mary E. Hogan | 60 | Head | City Clerk | Michigan |
| 50 | Clara Chambers | 53 | Sister | — | Michigan |
| 51 | Georgina Quilley | 82 | Mother | — | Canada |
| 52 | John J. Imelle | 45 | Head | Funeral Director | Michigan |
| 53 | Grace M. Imelle | 41 | Wife | — | Pennsylvania |
| 54 | Jennie Underwood | 46 | Lodger | Secretary | Oklahoma |
| 55 | Mary O. Hornbogen | 54 | Head | — | Canada |
| 56 | Leo M. Bruck | 47 | Head | Salesman | Michigan |
| 57 | Katherine Bruck | 38 | Wife | — | Michigan |
| 58 | Wallace Bruck | 11 | Son | — | Michigan |
| 59 | Susan Bruck | 1 | Daughter | — | Michigan |
| 60 | Jean Bruck | 17 | Niece | — | Michigan |
| 61 | Robert Bruck | 16 | Nephew | — | Michigan |
| 62 | Wm. J. Mogan | 70 | Head | Supt. Ore Shipping | Michigan |
| 63 | Dorothea Mogan | 56 | Wife | — | Indiana |
| 64 | David L. Mogan | 27 | Son | Bookkeeper | Michigan |
| 65 | Philalethes P. Chamberlain | 45 | Head | Manager | Michigan |
| 66 | Bethel Chamberlain | 44 | Wife | — | Michigan |
| 67 | Mary Ann Chamberlain | 18 | Daughter | — | Illinois |
| 68 | Harriett Bergh | 18 | Maid | Maid | Michigan |
| 69 | Thomas P. Cade | 38 | Head | Dist. Mgr. | England |
| 70 | Casandra E. Cade | 40 | Wife | — | Minnesota |
| 71 | Carrie Reese Cade | 13 | Daughter | — | Michigan |
| 72 | Richard Williams | 62 | Head | Fireman | England |
| 73 | Ada Maud Williams | 63 | Wife | — | England |
| 74 | Ruth Rose Williams | 38 | Daughter | Marker | Michigan |
| 75 | John S. Williams THIS PERSON | 33 | Son | Truck Driver | Michigan |
| 76 | Gertrude Williams | 27 | Daughter-in-law | — | Michigan |
| 77 | Leo G. Bratt | 44 | Head | Business Mgr. | Michigan |
| 78 | Louise Bratt | 36 | Wife | — | Michigan |
| 79 | Dorothy L. Bratt | 19 | Daughter | — | Michigan |
| 80 | Julianne Bratt | 16 | Daughter | — | Michigan |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 5 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)