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Jean Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Jean Smith across the 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Smith |
| Given Name | Jean O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Pontiac |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Pontiac |
| Est. Birth Year | ~1924 |
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 Jean | Age | Birth yr |
|---|---|---|---|---|
| Bethanne Smith | Daughter | — | 8 | ~1932 |
| Jean Smith | Daughter | — | 16 | ~1924 |
| Alfred Smith | Head | — | 46 | ~1894 |
| Alfred Smith | Son | — | 14 | ~1926 |
| Lloyd Smith | Son | — | 11 | ~1929 |
| Rebecca Smith | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Oakland, Michigan
Daughter, age 6
Oakland, Michigan · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Can Read/Write | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Daughter, age 16
Oakland-County, Michigan · implied b. ~1924 — 6 household members
| Surname | Smith |
| Given Name | Jean O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Pontiac |
| 1935 Residence (County) | Oakland |
| Highest Grade | Hs 3 |
| 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 Jean Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jean Smith
Daughter · 1940 · age 16 · b. ~1924 · Michigan
★ You are viewing this record
Sibling
Alfred Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Smith
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bethanne Smith
Sibling · 1940 · age 8
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-t0627-01800-00611)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth Hill | 2 | Son | — | Michigan |
| 2 | Bonnie Hill | 1 | Son | — | Michigan |
| 3 | Mollie Hill | 74 | Mother | — | Kentucky |
| 4 | Carl G. Lundquist | 35 | Head | Trucker | Sweden |
| 5 | Erie Lundquist | 35 | Wife | — | Canada |
| 6 | Rose Lundquist | 1 | Daughter | — | Michigan |
| 7 | Jesse De Balt | 35 | Head | Die Setter | Michigan |
| 8 | Leoda De Balt | 33 | Wife | — | Michigan |
| 9 | James De Balt | 14 | Son | — | Michigan |
| 10 | William De Balt | 11 | Son | — | Michigan |
| 11 | George De Balt | 6 | Son | — | Michigan |
| 12 | Robert De Balt | 4 | Son | — | Michigan |
| 13 | Lawrence De Grow | 32 | Head | Press Opr | Michigan |
| 14 | Louise De Grow | 22 | Wife | — | Michigan |
| 15 | Raymond De Grow | 1 | Son | — | Michigan |
| 16 | Arthur Prince | 33 | Head | Die Setter | Michigan |
| 17 | Vanda Prince | 32 | Wife | — | Michigan |
| 18 | Leo Prince | 13 | Son | — | Michigan |
| 19 | Elmer Prince | 12 | Son | — | Michigan |
| 20 | Norman De Balt | 27 | Cousin | Assembler | Michigan |
| 21 | John Berglund | 43 | Head | Paint Dept | Sweden |
| 22 | Ethel Berglund | 36 | Wife | — | Minnesota |
| 23 | Leonard Berglund | 13 | Son | Press Opr | Minnesota |
| 24 | Henry E. Baker | 35 | Head | Traffic Mgr | Indiana |
| 25 | Thelma Baker | 31 | Wife | — | Michigan |
| 26 | Henry Monroe Baker | 14 | Son | — | Michigan |
| 27 | Twyla Marie Baker | 11 | Daughter | — | Michigan |
| 28 | Carlton Wayne Baker | 9 | Son | — | Michigan |
| 29 | Sarah Smith | 44 | Lodger | — | Canada |
| 30 | Alfred H. Smith | 46 | Head | Material Dept | Ohio |
| 31 | Rebecca Smith | 36 | Wife | — | Michigan |
| 32 | Jean O. Smith THIS PERSON | 16 | Daughter | — | Michigan |
| 33 | Alfred H. Jr. Smith | 14 | Son | — | Michigan |
| 34 | Lloyd Paul Smith | 11 | Son | — | Michigan |
| 35 | Bethanne Smith | 8 | Daughter | — | Michigan |
| 36 | — | None | — | — | — |
| 37 | Edward Hibner | 21 | Head | Laborer | Missouri |
| 38 | Mary Hibner | 19 | Wife | — | Missouri |
| 39 | Barbara Hibner | 1 | Daughter | — | Michigan |
| 40 | Charles Quinn | 40 | Head | Motor | Oklahoma |
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)