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Harry Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Missouri
Our Model Tree links this Harry Davis across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Missouri (XGBoost, ~Confirmed), with identified parents Curtis & Pierce — first a son (b.~1918), then head of a 11-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Missouri |
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Montgomery |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 372 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farm Laborer |
| Township / Ward | Montgomery |
| Est. Birth Year | ~1918 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Margaret Davis | Daughter | — | 17 | ~1923 |
| Dorothy Davis | Daughter | — | 8 | ~1932 |
| Helen Davis | Daughter | — | 12 | ~1928 |
| Thelma Davis | Daughter | — | 14 | ~1926 |
| Pierce Davis | Head | — | 67 | ~1873 |
| Fred Davis | Other | — | 63 | ~1877 |
| Betty Davis | Other | — | 86 | ~1854 |
| Franklin Davis | Son | — | 20 | ~1920 |
| John Davis | Son | — | 24 | ~1916 |
| Harry Davis | Son | — | 22 | ~1918 |
| Bertha Davis | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Montgomery, Missouri
Son, age 2
Montgomery, Missouri · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ohio |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Montgomery, Missouri
Son, age 12
Montgomery, Missouri · implied b. ~1918 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Montgomery-County, Missouri
Son, age 22
Montgomery-County, Missouri · implied b. ~1918 — 11 household members
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Montgomery |
| 1935 Residence (County) | Montgomery |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 372 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Harry Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Curtis Davis (~0.92 confidence) and father Pierce Davis (~0.92 confidence) and father Pierce Davis (~0.92 confidence) and mother Bertha Davis (~0.92 confidence) and mother Bertha Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Curtis Davis
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Pierce Davis
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Pierce Davis
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Bertha Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Bertha Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Davis
Son · 1940 · age 22 · b. ~1918 · Missouri
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Sibling
John Davis
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Davis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Davis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Davis
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Davis
Sibling · 1940 · age 14
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 — Montgomery-County, Missouri
Open full size
1940 US Federal Census — Montgomery-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02131-00255)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis Auchly | 69 | Head | Farmer | Missouri |
| 2 | Mary Auchly | 57 | Wife | — | Missouri |
| 3 | Leslie Groves | 46 | Head | Farmer | Missouri |
| 4 | Sadie Groves | 39 | Wife | — | Missouri |
| 5 | Marvin J. Groves | 15 | Son | — | Missouri |
| 6 | Wesley Groves | 14 | Son | — | Missouri |
| 7 | Rosa Lee Groves | 12 | Daughter | — | Missouri |
| 8 | Bertha Irene Groves | 10 | Daughter | — | Missouri |
| 9 | Addie May Groves | 8 | Daughter | — | Missouri |
| 10 | Leslie Eugene Groves | 6 | Son | — | Missouri |
| 11 | Martha Marie Groves | 4 | Daughter | — | Missouri |
| 12 | Samuel Groves | 84 | Father | — | Missouri |
| 13 | E. J. Oliver | 69 | Head | — | Missouri |
| 14 | Martha J. Oliver | 66 | Wife | — | Missouri |
| 15 | Fleta Oliver | 31 | Daughter | — | Missouri |
| 16 | Thomas Tally | 41 | Head | Farmer | Illinois |
| 17 | Stella Tally | 41 | Wife | — | Illinois |
| 18 | Naomi Tally | 18 | Daughter | — | Illinois |
| 19 | Arnold Tally | 15 | Son | Farm Laborer | Illinois |
| 20 | Harold F. Tally | 14 | Son | Farm Laborer | Illinois |
| 21 | Doris L. Tally | 12 | Daughter | — | Illinois |
| 22 | Betty D. Tally | 2 | Granddaughter | — | Missouri |
| 23 | Ralph Foster | 25 | Head | Farmer | Missouri |
| 24 | Thelma Foster | 22 | Wife | — | Missouri |
| 25 | Iona Jean Foster | 2 | Daughter | — | Missouri |
| 26 | W. C. White | 56 | Head | Farmer | Missouri |
| 27 | Elois White | 54 | Wife | — | Missouri |
| 28 | Pierce Davis | 67 | Head | Farmer | Missouri |
| 29 | Bertha Davis | 51 | Wife | — | Ohio |
| 30 | John W. Davis | 24 | Son | Farm Laborer | Missouri |
| 31 | Harry Davis THIS PERSON | 22 | Son | Farm Laborer | Missouri |
| 32 | Franklin Davis | 20 | Son | Farm Laborer | Missouri |
| 33 | Margaret Jane Davis | 17 | Daughter | — | Missouri |
| 34 | Thelma Mae Davis | 14 | Daughter | — | Missouri |
| 35 | Helen Rose Davis | 12 | Daughter | — | Missouri |
| 36 | Dorothy Davis | 8 | Daughter | — | Missouri |
| 37 | Betty E. Davis | 86 | Mother | — | Missouri |
| 38 | Fred Davis | 63 | Brother | Farmer | Missouri |
| 39 | T. L. Bishop | 67 | Head | Farmer | Missouri |
Pedigree Summary
Harry + 6 siblings
Gen 1 · 5 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)