RD
Robert Davidson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Greene-County, Indiana
Our Model Tree links this Robert Davidson across the 1920, 1930 and 1940 US Censuses in Greene-County, Indiana (XGBoost, ~Confirmed), with identified parents David & Isabelle — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Indiana |
| Surname | Davidson |
| Given Name | Robert C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Stockton Township |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 965 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Miner |
| Township / Ward | Stockton Township |
| Est. Birth Year | ~1912 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Davidson | Son | — | 5 | ~1935 |
| Robert Davidson | Head | — | 28 | ~1912 |
| Marjorie Davidson | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Greene, Indiana
Son, age 7
Greene, Indiana · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Greene, Indiana
Son, age 18
Greene, Indiana · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Greene-County, Indiana
Head, age 28
Greene-County, Indiana · implied b. ~1912 — 3 household members
| Surname | Davidson |
| Given Name | Robert C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Stockton Township |
| 1935 Residence (County) | Greene |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 965 |
| Highest Grade | H 1 |
| 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 Robert Davidson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Davidson (~0.92 confidence) and mother Isabelle Davidson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Davidson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Isabelle Davidson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Davidson
Head · 1940 · age 28 · b. ~1912 · Indiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Greene-County, Indiana
Open full size
1940 US Federal Census — Greene-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01049-00622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymond L. Fish | 21 | Son | Casual Worker | Indiana |
| 42 | Ida Jane Fish | 5 | Daughter | — | Indiana |
| 43 | Darley Mack Fish | 3 | Son | — | Indiana |
| 44 | Gredith Ann Fish | 1 | Daughter | — | Indiana |
| 45 | Mack Lisender | 64 | Head | Farmer | Indiana |
| 46 | Lola Lisender | 62 | Wife | — | Indiana |
| 47 | John Moan | 30 | Head | Miner | Indiana |
| 48 | Edna Moan | 26 | Wife | — | Indiana |
| 49 | Sarah Habbard | 43 | Head | — | Indiana |
| 50 | Chester Habbard | 17 | Son | — | Indiana |
| 51 | Elsie Habbard | 12 | Daughter | — | Indiana |
| 52 | Elzie Habbard | 20 | Son | Laborer W.P.A. | Indiana |
| 53 | Irene Habbard | 19 | Daughter-in-law | — | Indiana |
| 54 | Leslie Puckitt | 29 | Head | — | Indiana |
| 55 | Mildred Puckitt | 27 | Wife | Domestic Instructor | Indiana |
| 56 | Mildred Puckitt | 5 | Daughter | — | Michigan |
| 57 | Janice Puckitt | 2 | Daughter | — | Indiana |
| 58 | Russel O. Hinderader | 43 | Head | Lineman | Kentucky |
| 59 | Helen Hinderader | 34 | Wife | — | Indiana |
| 60 | Mary Hinderader | 15 | Daughter | — | Indiana |
| 61 | William E. Davis | 42 | Head | Laborer W.P.A. | Indiana |
| 62 | Alta Davis | 35 | Wife | — | Indiana |
| 63 | Eunily Davis | 16 | Daughter | — | Indiana |
| 64 | Patricia Davis | 14 | Daughter | — | Indiana |
| 65 | Nola Davis | 1 | Daughter | — | Indiana |
| 66 | Felix Moan | 64 | Head | Laborer W.P.A. | Scotland |
| 67 | Marion Moan | 65 | Wife | — | Scotland |
| 68 | Anna Moan | 39 | Daughter | — | Scotland |
| 69 | Chesley Colvin | 35 | Son-in-law | Driller Laborer W.P.A. | Mississippi |
| 70 | Marion Colvin | 24 | Daughter | — | Indiana |
| 71 | Jerry Colvin | 2 | Grandson | — | Michigan |
| 72 | Charles Colvin | 1 | Grandson | — | Indiana |
| 73 | David W. Davidson | 62 | Head | Official U.M.W. Of A. | Scotland |
| 74 | Isabelle G. Davidson | 56 | Wife | Seamstress | Scotland |
| 75 | Robert C. Davidson THIS PERSON | 28 | Head | Miner | Indiana |
| 76 | Marjorie Davidson | 23 | Wife | — | Indiana |
| 77 | Robert L. Davidson | 5 | Son | — | Indiana |
| 78 | Dudley King | 73 | Head | Farmer | Indiana |
| 79 | Ella King | 67 | Wife | — | Indiana |
| 80 | Otis King | 49 | Son | Laborer W.P.A. | Indiana |
Related Census Records
Pedigree Summary
Robert
Gen 1 · 2 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)