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Bertha Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Indiana
Our Model Tree links this Bertha Davis across the 1910, 1920, 1930 and 1940 US Censuses in Clay-County, Indiana (XGBoost, ~Confirmed), with identified parents Rose & Thomas — first a daughter (b.~1899), then head of a 4-person household.
Age 41
b. ~1899
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Indiana |
| Surname | Davis |
| Given Name | Bertha Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Knightsville Town |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Wh. Grocery and Feed Store |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Bookkeeper |
| Township / Ward | Knightsville Town |
| Est. Birth Year | ~1899 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Julia Davis | Daughter | — | 19 | ~1921 |
| Bertha Davis | Daughter | — | 41 | ~1899 |
| Thomas Davis | Head | — | 63 | ~1877 |
| Rosa Davis | Spouse | — | 62 | ~1878 |
Census Appearances
Daughter, age 11
Clay, Indiana · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Beatrice M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Clay, Indiana
Daughter, age 21
Clay, Indiana · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Bertha M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Clay, Indiana
Daughter, age 31
Clay, Indiana · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Bertha M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Clay-County, Indiana
Daughter, age 41
Clay-County, Indiana · implied b. ~1899 — 4 household members
| Surname | Davis |
| Given Name | Bertha Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Knightsville Town |
| 1935 Residence (County) | Clay |
| Occupation | Bookkeeper |
| Industry | Wh. Grocery and Feed Store |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Bertha Davis across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rose Davis (~0.92 confidence) and father Thomas Davis (~0.92 confidence) and mother Lizzie Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rose Davis
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Thomas Davis
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Lizzie Davis
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bertha Davis
Daughter · 1940 · age 41 · b. ~1899 · Indiana
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Sibling
Julia Davis
Sibling · 1940 · age 19
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 — Clay-County, Indiana
Open full size
1940 US Federal Census — Clay-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01032-00664)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mitzi Schultz | 4 | Daughter | — | Indiana |
| 2 | David R. Brown | 30 | Head | Truck Driver | Indiana |
| 3 | Margaret P. Brown | 31 | Wife | — | Indiana |
| 4 | Betty Jean Brown | 10 | Daughter | — | Indiana |
| 5 | Julia Jean Brown | 6 | Daughter | — | Indiana |
| 6 | Margaret Esther Brown | 3 | Daughter | — | Indiana |
| 7 | Claude L. James | 66 | Head | — | Indiana |
| 8 | Mollie C. James | 65 | Wife | — | Indiana |
| 9 | Raymond P. Watson | 37 | Head | Laborer | Indiana |
| 10 | Nellie Watson | 29 | Wife | — | Indiana |
| 11 | Ruth Pearl Watson | 9 | Daughter | — | Indiana |
| 12 | Darlene Ray Watson | 7 | Daughter | — | Indiana |
| 13 | Vonda Mae Watson | 5 | Daughter | — | Indiana |
| 14 | Mary Marcella Watson | 0 | Daughter | — | Indiana |
| 15 | Frank D. Fisher | 71 | Head | Miner | Ohio |
| 16 | Henry A. Mcclung | 52 | Head | Lawyer | Indiana |
| 17 | Mollie B. Mcclung | 57 | Wife | — | Indiana |
| 18 | Margaret A. Mcclung | 23 | Daughter | Stenographer | Indiana |
| 19 | Virginia P. Eckles | 25 | Head | Laundress | Indiana |
| 20 | Arthur Eckles | 23 | Brother | Road Laborer | Indiana |
| 21 | Ross W. James | 40 | Head | Miner | Indiana |
| 22 | Emma James | 36 | Wife | — | Indiana |
| 23 | Mary Francis James | 15 | Daughter | — | Indiana |
| 24 | Emma Jean James | 11 | Daughter | — | Indiana |
| 25 | John Richard James | 9 | Son | — | Indiana |
| 26 | Janet Oris James | 6 | Daughter | — | Indiana |
| 27 | Wilbur Edward James | 2 | Son | — | Indiana |
| 28 | Wilmer Edwin James | 2 | Son | — | Indiana |
| 29 | William J. Davis | 39 | Head | Salesman | Indiana |
| 30 | Jessie O. Davis | 36 | Wife | — | Indiana |
| 31 | Thomas B. Davis | 63 | Head | — | Indiana |
| 32 | Rosa C. Davis | 62 | Wife | — | Iowa |
| 33 | Bertha Mae Davis THIS PERSON | 41 | Daughter | Bookkeeper | Indiana |
| 34 | Julia Jean Davis | 19 | Daughter | — | Indiana |
| 35 | Harold Carmichael | 25 | Head | Automobile Mechanic | Indiana |
| 36 | Hazel Carmichael | 20 | Wife | — | Kansas |
| 37 | Ralph Giltner | 32 | Head | Truck Driver | Indiana |
| 38 | Elizabeth Giltner | 25 | Wife | — | Indiana |
| 39 | Ralph Donald Giltner | 1 | Son | — | Indiana |
| 40 | Annie Liner | 55 | Head | Seamstress | Indiana |
Related Census Records
Pedigree Summary
Bertha + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)