MW
Marie Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Marie Williams across the 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Williams |
| Given Name | Marie E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ferndale City |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Ferndale City |
| Est. Birth Year | ~1930 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Merle Williams | Daughter | — | 8 | ~1932 |
| Marie Williams | Daughter | — | 10 | ~1930 |
| Eileen Williams | Daughter | — | 15 | ~1925 |
| Samuel Williams | Head | — | 40 | ~1900 |
| Earl Williams | Son | — | 13 | ~1927 |
| Mabel Williams | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Oakland, Michigan
Daughter, age 1
Oakland, Michigan · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Michigan |
| Can Read/Write | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Daughter, age 10
Oakland-County, Michigan · implied b. ~1930 — 6 household members
| Surname | Williams |
| Given Name | Marie E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ferndale City |
| 1935 Residence (County) | Oakland |
| Highest Grade | 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 Marie Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Williams
Daughter · 1940 · age 10 · b. ~1930 · Michigan
★ You are viewing this record
Sibling
Eileen Williams
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Williams
Sibling · 1940 · age 13
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 — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01799-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patricia Walker | 2 | Daughter | — | Michigan |
| 2 | Samuel A. Stone | 27 | Head | Rear Finisher | Michigan |
| 3 | Martha K. Stone | 30 | Wife | Home Wife | Michigan |
| 4 | Sally A. Stone | 6 | Daughter | — | Michigan |
| 5 | Jane Stone | 68 | Mother | — | England |
| 6 | Harold E. Boulard | 25 | Head | Truck Driver | Michigan |
| 7 | Elizabeth Boulard | 21 | Wife | Home Wife | Illinois |
| 8 | Evelyn Boulard | 5 | Daughter | — | Michigan |
| 9 | Fredrick Boulard | 17 | Brother | Press Operator | Michigan |
| 10 | Jessie S. Boulard | 55 | Mother | Cook | Michigan |
| 11 | Bernard J. Boulard | 22 | Brother | Truck Driver | Michigan |
| 12 | Albert T. Boulard | 20 | Brother | Clerk Cashier | Michigan |
| 13 | Robert L. Boulard | 12 | Brother | — | Michigan |
| 14 | Samuel R. Williams | 40 | Head | Captain | Canada |
| 15 | Mabel Williams | 38 | Wife | Home Wife | Michigan |
| 16 | Eileen E. Williams | 15 | Daughter | — | Michigan |
| 17 | Earl E. Williams | 13 | Son | — | Michigan |
| 18 | Marie E. Williams THIS PERSON | 10 | Daughter | — | Michigan |
| 19 | Merle S. Williams | 8 | Daughter | — | Michigan |
| 20 | Riley O. Williams | 33 | Head | Welder | Canada |
| 21 | Gilda S. Williams | 24 | Wife | Home Wife | Canada |
| 22 | Judith A. Williams | 2 | Daughter | — | Michigan |
| 23 | George W. Williams | 51 | Head | Yard Foreman | England |
| 24 | Sarah J. Williams | 51 | Wife | Home Wife | Canada |
| 25 | Roy S. Williams | 14 | Son | Yard Foreman | Canada |
| 26 | Fred G. Arnold | 35 | Head | Welder | Ohio |
| 27 | Ethel B. Arnold | 37 | Wife | Home Wife | Ohio |
| 28 | Fredrick G. Arnold | 12 | Son | — | Ohio |
| 29 | Barbara E. Arnold | 10 | Daughter | — | Ohio |
| 30 | Maurice D. Arnold | 8 | Son | — | Ohio |
| 31 | Russell J. Wright | 36 | Head | Engine Painter | England |
| 32 | Muriel B. Wright | 40 | Wife | Home Wife | Canada |
| 33 | Nancy K. Wright | 9 | Daughter | — | Michigan |
| 34 | Margaret L. Wright | 7 | Daughter | — | Michigan |
| 35 | Willard H. Wright | 4 | Son | — | Michigan |
| 36 | James W. Coutts | 28 | Head | Inspector | Canada |
| 37 | Kathleen M. Coutts | 27 | Wife | Home Wife | Canada |
| 38 | August G. Coutts | 5 | Daughter | — | Michigan |
| 39 | Mary Ann Coutts | 4 | Daughter | — | Michigan |
| 40 | Richard W. Coutts | 3 | Son | — | Michigan |
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)