RD
Ralph Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Ralph Davis across the 1910, 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Festus & Thomas — first a son (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Packing Co |
| Industry | Packing Co |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Packing Co |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Homer Davis | Head | — | 42 | ~1898 |
| Ralph Davis | Son | — | 40 | ~1900 |
| Earl Davis | Son | — | 36 | ~1904 |
Census Appearances
1910
Madison, Indiana
Son, age 10
Madison, Indiana · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Son, age 19
Marion, Indiana · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 30
Marion, Indiana · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 40
Marion-County, Indiana · implied b. ~1900 — 3 household members
| Surname | Davis |
| Given Name | Ralph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Packing Co |
| Industry | Packing Co |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Ralph Davis across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Festus Davis (~0.92 confidence) and father Thomas Davis (~0.92 confidence) and father Omar Davis (~0.92 confidence) and mother Nettie Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence) and father Homer Davis (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Festus Davis
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Thomas Davis
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Omar Davis
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Nettie Davis
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Homer Davis
b. ~1898
Source father
● Household
· direct · ~0.6
This person
Anchor record
Ralph Davis
Son · 1940 · age 40 · b. ~1900 · Indiana
★ You are viewing this record
Sibling
Earl Davis
Sibling · 1940 · age 36
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01128-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Violet Johnson | 29 | daughter | — | Indiana |
| 2 | Violet Johnson | 10 | granddaughter | — | Indiana |
| 3 | Homer Davis | 42 | Head | — | Indiana |
| 4 | Ralph Davis THIS PERSON | 40 | son | Packing Co | Indiana |
| 5 | Earl Davis | 36 | son | — | Indiana |
| 6 | Charles Suiter | 58 | Head | Pressman | Indiana |
| 7 | Mattie Suiter | 55 | Wife | Butcher | Indiana |
| 8 | Catherine Fitchey | 24 | daughter | — | Indiana |
| 9 | Janet Fitchey | 4 | granddaughter | — | Indiana |
| 10 | Ray Chadwick | 42 | Head | Machinist | Indiana |
| 11 | Dulla Chadwick | 40 | Wife | — | Indiana |
| 12 | Robert Chadwick | 14 | son | — | Indiana |
| 13 | Rosemary Chadwick | 11 | daughter | — | Indiana |
| 14 | Dorothy Chadwick | 5 | niece | — | Indiana |
| 15 | Hayden Malone | 62 | Head | Watchman | Kentucky |
| 16 | Octavia Malone | 56 | Wife | — | Kentucky |
| 17 | Richard Malone | 7 | grandson | — | Indiana |
| 18 | Edward Robison | 35 | Head | Riveter | Indiana |
| 19 | Mabel Robison | 38 | Wife | — | Indiana |
| 20 | Robert H Robison | 19 | son | Painter | Indiana |
| 21 | John H Robison | 17 | son | — | Indiana |
| 22 | Eugene Blough | 25 | Boarder | Attendant | Indiana |
| 23 | Frank Smith | 69 | Head | — | Indiana |
| 24 | Mary Baker | 39 | daughter | Sealer | Kentucky |
| 25 | Ellis Baker | 15 | son-in-law | — | Indiana |
| 26 | Dorothy Baker | 12 | daughter | — | Indiana |
| 27 | William Gent | 37 | Head | Labor | Tennessee |
| 28 | Aleen Gent | 33 | Wife | — | Kentucky |
| 29 | James Gent | 15 | son | — | Kentucky |
| 30 | Joyce Gent | 11 | daughter | — | Indiana |
| 31 | Jean Gent | 7 | daughter | — | Indiana |
| 32 | Joseph Gent | 5 | son | — | Indiana |
| 33 | Harry Brunner | 51 | Head | Motorman | Indiana |
| 34 | Mabel Brunner | 41 | Wife | — | Indiana |
| 35 | Herbert A Brunner | 19 | son | New Worker | Indiana |
| 36 | Virginia M Brunner | 16 | daughter | — | Indiana |
| 37 | Harry Jr. Brunner | 12 | son | — | Indiana |
| 38 | Alva Starkey | 65 | Head | Maintenance | Indiana |
| 39 | Cora Starkey | 65 | Wife | — | Indiana |
| 40 | Betty J. Gaddis | 14 | granddaughter | — | Indiana |
Pedigree Summary
Ralph + 1 sibling
Gen 1 · 6 parents
~0.87
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)