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Betty Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sanilac-County, Michigan
Our Model Tree links this Betty Davis across the 1930 and 1940 US Censuses in Sanilac-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sanilac-County, Michigan |
| Surname | Davis |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Applegate Village |
| 1935 Residence (County) | Sanilac |
| Additional Details | |
| Occupation | Clerk |
| Industry | Soil Conservation |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Mich |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Clerk |
| Township / Ward | Applegate Village |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Betty Davis | Daughter | — | 19 | ~1921 |
| Rosemary Davis | Daughter | — | 16 | ~1924 |
| George Davis | Head | — | 59 | ~1881 |
| William Davis | Son | — | 11 | ~1929 |
| Robert Davis | Son | — | 11 | ~1929 |
| George Davis | Son | — | 13 | ~1927 |
| John Davis | Son | — | 18 | ~1922 |
| Katherine Davis | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Sanilac, Michigan
Daughter, age 8
Sanilac, Michigan · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Betsy E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Sanilac-County, Michigan
Daughter, age 19
Sanilac-County, Michigan · implied b. ~1921 — 8 household members
| Surname | Davis |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Applegate Village |
| 1935 Residence (County) | Sanilac |
| Occupation | Clerk |
| Industry | Soil Conservation |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Mich |
| 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 Betty Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Davis
Daughter · 1940 · age 19 · b. ~1921 · Michigan
★ You are viewing this record
Sibling
George Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Davis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Davis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Davis
Sibling · 1940 · age 16
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 — Sanilac-County, Michigan
Open full size
1940 US Federal Census — Sanilac-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01818-00777)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George D. Davis | 59 | Head | Farmer | Michigan |
| 2 | Katherine Davis | 49 | Wife | — | Michigan |
| 3 | John Davis | 18 | Son | — | Michigan |
| 4 | Betty Davis THIS PERSON | 19 | Daughter | Clerk | Michigan |
| 5 | Rosemary Davis | 16 | Daughter | — | Michigan |
| 6 | George Jr. Davis | 13 | Son | — | Michigan |
| 7 | Robert Davis | 11 | Son | — | Michigan |
| 8 | William Davis | 11 | Son | — | Michigan |
| 9 | Davis X. Oliver | 45 | Head | Manager | Michigan |
| 10 | Anna Oliver | 44 | Wife | — | Michigan |
| 11 | Gerald Oliver | 20 | Son | Laborer | Michigan |
| 12 | Arlene Oliver | 17 | Daughter | — | Michigan |
| 13 | Doris Oliver | 14 | Daughter | — | Michigan |
| 14 | Lloyd Oliver | 12 | Son | — | Michigan |
| 15 | Shirley Oliver | 9 | Daughter | — | Michigan |
| 16 | Donna Jean Oliver | 6 | Daughter | — | Michigan |
| 17 | F. B. Hoffman | 72 | Head | Poultry | Michigan |
| 18 | Grace Hoffman | 62 | Wife | — | Michigan |
| 19 | Quincy Hoffman | 24 | Son | Buttermaker | Michigan |
| 20 | Clifford W. Hawes | 31 | Head | Manager | Michigan |
| 21 | Ruth A. Hawes | 31 | Wife | — | Michigan |
| 22 | Robert W. Hawes | 4 | Son | — | Michigan |
| 23 | Janet A. Hawes | 1 | Daughter | — | Michigan |
| 24 | Glen S. Fairman | 29 | Head | Trucker | Michigan |
| 25 | Ruth Fairman | 26 | Wife | — | Michigan |
| 26 | Robert S. Fairman | 3 | Son | — | Michigan |
| 27 | Harold Phipps | 27 | Head | Assist. Manager | Michigan |
| 28 | Bernice Phipps | 21 | Wife | Clerk | Michigan |
| 29 | E. E. Hawes | 61 | Head | Manager | Michigan |
| 30 | Margaret Hawes | 55 | Wife | — | Michigan |
| 31 | Ernestine Hawes | 22 | Daughter | Stenographer | Michigan |
| 32 | Everett Hawes | 28 | Son | Teacher | Michigan |
| 33 | Frank E. Williams | 68 | Head | Farmer | Michigan |
| 34 | Jennie Williams | 64 | Wife | — | Michigan |
| 35 | Donald Hale | 3 | Boarder | — | Michigan |
| 36 | Frank Kirby | 42 | Head | Laborer | Canada-Eng |
| 37 | Ida Kirby | 42 | Wife | — | Canada-Eng |
| 38 | Estelle Kirby | 17 | Daughter | — | Canada-Eng |
| 39 | Frank Kirby | 16 | Son | Farmer | Michigan |
| 40 | Joseph Kirby | 14 | 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)