GT
Grace Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Grace Thomas across the 1920, 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 7-person household.
Age 56
b. ~1884
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Thomas |
| Given Name | Grace B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Pontiac |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Pontiac |
| Est. Birth Year | ~1884 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Marie Sibley | Other | — | 21 | ~1919 |
| Mary Thomas | Daughter | — | 18 | ~1922 |
| Frank Thomas | Head | — | 59 | ~1881 |
| John Thomas | Son | — | 23 | ~1917 |
| Jessie Hilton | Other | — | 23 | ~1917 |
| Ellen Thomas | Daughter | — | 21 | ~1919 |
| Grace Thomas | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Oakland, Michigan
Spouse, age 34
Oakland, Michigan · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Oakland, Michigan
Spouse, age 45
Oakland, Michigan · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 23 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Spouse, age 56
Oakland-County, Michigan · implied b. ~1884 — 7 household members
| Surname | Thomas |
| Given Name | Grace B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Pontiac |
| 1935 Residence (County) | Oakland |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Grace Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Thomas
Spouse · 1940 · age 56 · b. ~1884 · Michigan
★ 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 — 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-t0627-01801-00066)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald H. Romere | 27 | Head | Pharmacist | Michigan |
| 2 | Elsa D. Romere | 23 | Wife | — | Michigan |
| 3 | Willis B. Sheffield | 32 | Head | Milk Checker | Michigan |
| 4 | Leta B. Sheffield | 31 | Wife | — | Michigan |
| 5 | Ruth L. Sheffield | 12 | Daughter | — | Michigan |
| 6 | John L. Sheffield | 5 | Son | — | Michigan |
| 7 | Willis B. Jr. Sheffield | 1 | Son | — | Michigan |
| 8 | Norman Hetherington | 51 | Head | Metal Finisher | Canada-Eng |
| 9 | Lorna Hetherington | 50 | Wife | — | Michigan |
| 10 | Bruce A. Hetherington | 20 | Son | Press Operator | Michigan |
| 11 | Ella M. Hetherington | 18 | Daughter | Typist | Michigan |
| 12 | Ronald R. Hetherington | 7 | Son | — | Michigan |
| 13 | Otis D. Klows | 47 | Head | Painter & Decorator | Canada-Eng |
| 14 | Evelyn M. Klows | 47 | Wife | — | Ontario |
| 15 | Dewitt C. Babcock | 49 | Head | Captain | Michigan |
| 16 | Beatrice M. Babcock | 49 | Wife | — | Michigan |
| 17 | Fred F. Hegenheimer | 49 | Head | Internal Grinder | Illinois |
| 18 | Nellie M. Hegenheimer | 34 | Wife | Waitress | Illinois |
| 19 | Betty A. Hegenheimer | 16 | Daughter | — | California |
| 20 | Beverly J. Hegenheimer | 5 | Daughter | — | Michigan |
| 21 | Earl F. Kaul | 42 | Head | Arc-Welder | Michigan |
| 22 | Elsie S. Kaul | 41 | Wife | Waitress | Pennsylvania |
| 23 | Joseph F. Kaul | 20 | Son | Press Operator | Michigan |
| 24 | Marion A. Kaul | 17 | Daughter | — | Michigan |
| 25 | Alfred E. Porter | 57 | Head | Inspector | Germany |
| 26 | Alice E. Porter | 61 | Wife | — | Ontario |
| 27 | Carl D. Corey | 41 | Head | Inspection | Michigan |
| 28 | Ethel S. Corey | 34 | Wife | — | Michigan |
| 29 | Frank J. Thomas | 59 | Head | Salesman | Michigan |
| 30 | Grace B. Thomas THIS PERSON | 56 | Wife | — | Michigan |
| 31 | John J. Thomas | 23 | Son | Salesman | Michigan |
| 32 | Ellen F. Thomas | 21 | Daughter | Stenographer | Michigan |
| 33 | Mary J. Thomas | 18 | Daughter | — | Michigan |
| 34 | Marie R. Sibley | 21 | Lodger | Bookkeeper | Ohio |
| 35 | Jessie M. Hilton | 23 | Lodger | Stenographer | Michigan |
| 36 | Albert H. Latterberg | 59 | Head | Passenger Conductor | Michigan |
| 37 | Mary E. Latterberg | 47 | Wife | — | Michigan |
| 38 | Ralph A. Stafford | 47 | Head | Supervisor | Michigan |
| 39 | Nellie A. Stafford | 48 | Mother | — | Michigan |
| 40 | Walter W. Amsley | 47 | Head | Truck Driver | 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)