RK
Robert King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Robert King across the 1910, 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Fred & Mary — first a head (b.~1889), then head of a 5-person household.
Age 51
b. ~1889
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | King |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Warren Twp. |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Farm operator |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farm Operator |
| Township / Ward | Warren Twp |
| Est. Birth Year | ~1889 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Frances King | Daughter | — | 17 | ~1923 |
| Helen King | Daughter | — | 23 | ~1917 |
| Mary King | Daughter | — | 20 | ~1920 |
| Robert King | Head | — | 51 | ~1889 |
| Frieda King | Spouse | — | 42 | ~1898 |
Census Appearances
1910
Marion, Indiana
Son, age 21
Marion, Indiana · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | Home Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Head, age 30
Marion, Indiana · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Head, age 41
Marion, Indiana · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 25 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | VV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 51
Marion-County, Indiana · implied b. ~1889 — 5 household members
| Surname | King |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Warren Twp. |
| 1935 Residence (County) | Marion |
| Occupation | Farm operator |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Robert King across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred King (~0.92 confidence) and mother Mary King (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred King
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Mary King
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert King
Head · 1940 · age 51 · b. ~1889 · 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 — 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-t0627-01076-00321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Otis Kittinger | 20 | Son | — | Indiana |
| 2 | Martha Kittinger | 11 | Daughter | — | Indiana |
| 3 | Marjorie Kittinger | 7 | Daughter | — | Indiana |
| 4 | Normadine Kittinger | 5 | Daughter | — | Indiana |
| 5 | Forrest Hanes | 43 | Head | Plumber | Indiana |
| 6 | Myrtle Hanes | 40 | Wife | — | Indiana |
| 7 | Byron Hanes | 20 | Son | Plumber | Indiana |
| 8 | Carl Hanes | 18 | Son | Elevator Operator | Indiana |
| 9 | Mary Ruth Hanes | 15 | Daughter | — | Indiana |
| 10 | Wilma Hanes | 13 | Daughter | — | Indiana |
| 11 | Robert Hanes | 11 | Son | — | Indiana |
| 12 | Betty Lou Hanes | 6 | Daughter | — | Indiana |
| 13 | Thomas Alstott | 38 | Head | Truck Driver | Indiana |
| 14 | Bertha Alstott | 38 | Wife | — | Kentucky |
| 15 | Robert Alstott | 17 | Son | — | Indiana |
| 16 | William Alstott | 15 | Son | — | Indiana |
| 17 | Erma Alstott | 12 | Daughter | — | Indiana |
| 18 | Betty Alstott | 8 | Daughter | — | Indiana |
| 19 | Albert King | 56 | Head | Farmer | Indiana |
| 20 | Tillie King | 53 | Wife | — | Indiana |
| 21 | Danfman Kleine | 48 | Head | Farm Operator | Indiana |
| 22 | Esther Kleine | 42 | Wife | — | Indiana |
| 23 | Carl Hammons | 12 | Lodger | — | Indiana |
| 24 | Lester Hammons | 10 | Lodger | — | Indiana |
| 25 | George Luedeling | 61 | Head | Farm Operator | Indiana |
| 26 | Fredrick Luedeling | 50 | Brother | Farm Operator | Indiana |
| 27 | Mary C. Gann | 58 | Housekeeper | Housekeeper | Indiana |
| 28 | Robert King THIS PERSON | 51 | Head | Farm Operator | Indiana |
| 29 | Frieda King | 42 | Wife | Waitress | Indiana |
| 30 | Helen King | 23 | Daughter | Practical Nursing | Indiana |
| 31 | Mary Louise King | 20 | Daughter | Beauty Operator | Indiana |
| 32 | Frances King | 17 | Daughter | — | Indiana |
| 33 | Herbert Witte | 51 | Head | Farm Operator | Indiana |
| 34 | Clara Witte | 49 | Wife | — | Indiana |
| 35 | Opal Witte | 16 | Daughter | — | Indiana |
| 36 | Byron Witte | 13 | Son | — | Indiana |
| 37 | Gladys Witte | 11 | Daughter | — | Indiana |
| 38 | Herman Witte | 51 | Head | Farm Operator | Indiana |
| 39 | Carrie Witte | 51 | Wife | — | Indiana |
| 40 | Louise C. Witte | 79 | Mother in law | — | Indiana |
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)