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Mary Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shiawassee-County, Michigan
Our Model Tree links this Mary Lewis across the 1920, 1930 and 1940 US Censuses in Shiawassee-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 4-person household.
Age 63
b. ~1877
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Shiawassee-County, Michigan |
| Surname | Lewis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Burns |
| 1935 Residence (County) | Shiawassee |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Burns |
| Est. Birth Year | ~1877 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edward Lewis | Head | — | 64 | ~1876 |
| Paul Lewis | Son | — | 22 | ~1918 |
| James Lewis | Son | — | 18 | ~1922 |
| Mary Lewis | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Shiawassee, Michigan
Spouse, age 43
Shiawassee, Michigan · implied b. ~1877 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Shiawassee, Michigan
Spouse, age 53
Shiawassee, Michigan · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 34 |
| Father's Birthplace | New York State |
| Mother's Birthplace | New York State |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Shiawassee-County, Michigan
Spouse, age 63
Shiawassee-County, Michigan · implied b. ~1877 — 4 household members
| Surname | Lewis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Burns |
| 1935 Residence (County) | Shiawassee |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 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 Mary Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Lewis
Spouse · 1940 · age 63 · b. ~1877 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Shiawassee-County, Michigan
Open full size
1940 US Federal Census — Shiawassee-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01820-00096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew Stilger | 16 | Son | — | Michigan |
| 42 | Charles L. Stilger | 66 | Head | Farming | Michigan |
| 43 | Lawrence Stilger | 33 | Son | Farming | Michigan |
| 44 | Dryden Grace Walls | 57 | Housekeeper | Housekeeper | Michigan |
| 45 | Ray M. Walls | 47 | Head | Hatchery | Michigan |
| 46 | Mildred Walls | 46 | Wife | — | Michigan |
| 47 | Edward Lewis | 64 | Head | Farming | Michigan |
| 48 | Mary Lewis THIS PERSON | 63 | Wife | — | Michigan |
| 49 | Paul Lewis | 22 | Son | Laborer | Michigan |
| 50 | James Lewis | 18 | Son | Laborer | Michigan |
| 51 | James A. Johnson | 35 | Head | Farming | Michigan |
| 52 | Phil Johnson | 34 | Wife | — | Michigan |
| 53 | Ernestine Johnson | 15 | Daughter | — | Michigan |
| 54 | Laddie J. Johnson | 13 | Son | — | Michigan |
| 55 | Francis Johnson | 11 | Son | — | Michigan |
| 56 | David Johnson | 10 | Son | — | Michigan |
| 57 | Eugene Bigby | 70 | Head | Farming | Michigan |
| 58 | Richard Bigby | 19 | Son | Farming | Michigan |
| 59 | Lyle Bigby | 35 | Head | Farming | Michigan |
| 60 | Elizabeth Bigby | 30 | Wife | Housework | Indiana |
| 61 | Lewis Bigby | 62 | Head | Farming | Michigan |
| 62 | Emma Bigby | 60 | Wife | — | Michigan |
| 63 | Fred J. Wooden | 55 | Head | Farming | Michigan |
| 64 | Leona Wooden | 35 | Wife | — | Michigan |
| 65 | Lawrence Wooden | 14 | Son | — | Michigan |
| 66 | Otto Harris | 42 | Head | Farming | Michigan |
| 67 | Grace Harris | 39 | Wife | — | Michigan |
| 68 | Helen Harris | 15 | Daughter | — | Michigan |
| 69 | Delia Harris | 77 | Mother | — | New York |
| 70 | Charles E. Walts | 79 | Head | — | Michigan |
| 71 | Sophia A. Walts | 78 | Wife | — | New York |
| 72 | Ray L. Walts | 50 | Son | Farming | Michigan |
| 73 | Silas Bailey | 67 | Head | Farming | Michigan |
| 74 | Maude Bailey | 53 | Wife | — | Michigan |
| 75 | Frank Harrison | 67 | Head | — | Michigan |
| 76 | Anna Harrison | 44 | Wife | — | Michigan |
| 77 | L. D. Harrison | 11 | Son | — | Michigan |
| 78 | Wanita G. Harrison | 5 | Daughter | — | Michigan |
| 79 | Jay Wooden | 62 | Head | Farmer | Michigan |
| 80 | Wilbur Wooden | 23 | Son | Farmer | Michigan |
Related Census Records
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)