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Robert Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Genesee-County, Michigan
Our Model Tree links this Robert Williams across the 1920, 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed), with identified parents Walter & Annie — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Genesee-County, Michigan |
| Surname | Williams |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Mt. Morris City |
| 1935 Residence (County) | Genesee |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C-4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Mt Morris City |
| Est. Birth Year | ~1918 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Betty Williams | Daughter | — | 19 | ~1921 |
| Robert Williams | Head | — | 48 | ~1892 |
| Robert Williams | Son | — | 22 | ~1918 |
| John Williams | Son | — | 20 | ~1920 |
| Lucie Williams | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Genesee, Michigan
Son, age 1
Genesee, Michigan · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Genesee, Michigan
Son, age 12
Genesee, Michigan · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Genesee-County, Michigan
Son, age 22
Genesee-County, Michigan · implied b. ~1918 — 5 household members
| Surname | Williams |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Mt. Morris City |
| 1935 Residence (County) | Genesee |
| Income (1939) | 0 |
| Highest Grade | C-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 Robert Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Johnson (~0.92 confidence) and mother Annie Johnson (~0.92 confidence) and father Robert Williams (~0.92 confidence) and father Robert Williams (~0.92 confidence) and mother Lucie Williams (~0.92 confidence) and mother Susie Williams (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Annie Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Robert Williams
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Robert Williams
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Lucie Williams
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Susie Williams
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Williams
Son · 1940 · age 22 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
Betty Williams
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Williams
Sibling · 1940 · age 20
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 — Genesee-County, Michigan
Open full size
1940 US Federal Census — Genesee-County, Michigan
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01750-00583)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margueritte A. Molitor | 35 | Wife | — | Wisconsin |
| 2 | Francis J. Molitor | 34 | Lodger | Mechanic | Wisconsin |
| 3 | Theodore P. Molitor | 33 | Lodger | Mechanic | Wisconsin |
| 5 | John W. Murray | 24 | Head | Clerical | Michigan |
| 6 | Lydia R. Murray | 56 | Mother | — | Wisconsin |
| 7 | Robert O. Williams | 48 | Head | Machinist | Tennessee |
| 8 | Lucie Williams | 45 | Wife | — | Michigan |
| 9 | Robert W. Williams THIS PERSON | 22 | Son | — | Michigan |
| 10 | John E. Williams | 20 | Son | Driver | Michigan |
| 11 | Betty J. Williams | 19 | Daughter | — | Michigan |
| 12 | Harvey Fuller | 37 | Head | Physician | Michigan |
| 13 | Irene T. Fuller | 35 | Wife | — | Michigan |
| 14 | Shirley J. Fuller | 9 | Daughter | — | Michigan |
| 15 | Richard H. Fuller | 4 | Son | — | Michigan |
| 16 | Lucille C. Plamondon | 22 | House Maid | House Maid | Michigan |
| 17 | Frank B. Stimson | 51 | Head | Foreman | Michigan |
| 18 | Lottie M. Stimson | 46 | Wife | — | Michigan |
| 19 | Grace M. Stimson | 21 | Daughter | — | Michigan |
| 20 | Edward F. Arnold | 39 | Head | Florist | Canada |
| 21 | Margueritte P. Arnold | 35 | Wife | — | Canada |
| 22 | Paul H. Winter | 24 | Head | Teacher | Michigan |
| 23 | Pauline D. Winter | 23 | Wife | Teacher | Michigan |
| 24 | Gaylord F. Winter | 1 | Son | — | Michigan |
| 26 | James M. Wilson | 52 | Head | Sheet Metal | Oklahoma |
| 27 | Leone M. Wilson | 54 | Wife | — | Kentucky |
| 29 | Isadore La Victoire | 47 | Head | Metal Polisher | Michigan |
| 30 | Margaret E. La Victoire | 47 | Wife | — | Michigan |
| 31 | Isadore Jr. La Victoire | 24 | Son | Truck Driver | Michigan |
| 32 | Albert D. La Victoire | 22 | Son | Die Helper | Michigan |
| 33 | James C. La Victoire | 20 | Son | Newsworker | Michigan |
| 34 | Clarence H. La Victoire | 14 | Son | — | Michigan |
| 35 | Lawrence L. La Victoire | 14 | Son | — | Michigan |
| 37 | Joseph E. Chapman | 43 | Head | Machinist | Canada |
| 38 | Nelsa A. Chapman | 41 | Wife | — | Michigan |
| 39 | Edward J. Chapman | 21 | Son | — | Michigan |
| 40 | Hugh W. Chapman | 19 | Son | — | Michigan |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 6 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)