RH
Robert Harrison — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Robert Harrison across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Reuben & Florence — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Harrison |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1920 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Harrison | Head | — | 54 | ~1886 |
| Edwin Harrison | Son | — | 18 | ~1922 |
| Robert Harrison | Son | — | 20 | ~1920 |
| Agnes Harrison | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Marion, Indiana
Son, age
Marion, Indiana · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 10
Marion, Indiana · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 20
Marion-County, Indiana · implied b. ~1920 — 4 household members
| Surname | Harrison |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Highest Grade | H-4 |
| 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 Harrison across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Reuben Harrison (~0.81 confidence) and mother Florence Harrison (~0.81 confidence) and father Hubert Harrison (~0.81 confidence) and father Robert Harrison (~0.92 confidence) and father Robert Harrison (~0.92 confidence) and mother Agnes Harrison (~0.92 confidence) and mother Agnes Harrison (~0.92 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Reuben Harrison
b. ~1843
Source father>father
● Household
· direct · ~0.81
Mother
Florence Harrison
b. ~1851
Source father>mother
● Household
· direct · ~0.81
Father
Hubert Harrison
b. ~1871
Source father>father
● Household
· direct · ~0.81
Father
Robert Harrison
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Robert Harrison
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Agnes Harrison
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Agnes Harrison
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Harrison
Son · 1940 · age 20 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
Edwin Harrison
Sibling · 1940 · age 18
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
37 people indexed on this census page (nara:1940:m-t0627-01131-00922)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margery Morris | 19 | Wife | Soda Dispenser | Kentucky |
| 2 | Helen Abdon | 21 | Lodger | Soda Dispenser | Kentucky |
| 3 | Robert W. Harrison | 54 | Head | Repairman | Indiana |
| 4 | Agnes S. Harrison | 51 | Wife | — | Indiana |
| 5 | Robert E. Harrison THIS PERSON | 20 | Son | — | Indiana |
| 6 | Edwin T. Harrison | 18 | Son | Soda Dispenser | Indiana |
| 7 | Brooks G. Davis | 36 | Head | Pharmacist | Tennessee |
| 8 | Helen Davis | 34 | Wife | — | Indiana |
| 9 | Lois Jane Davis | 10 | Daughter | — | Indiana |
| 10 | Charles S. Swick | 76 | Grandfather | Service Man | Ohio |
| 12 | Lester Sanders | 45 | Head | Truck Driver | Kentucky |
| 13 | Juanita Sanders | 44 | Wife | Seamstress | Ohio |
| 14 | George Sanders | 12 | Nephew | — | Indiana |
| 15 | Carolyn Sanders | 10 | Niece | — | Indiana |
| 16 | Robert Jones | 67 | Lodger | — | Indiana |
| 18 | Charles Smith | 50 | Head | Laborer | Indiana |
| 19 | Julia Smith | 47 | Wife | — | Kentucky |
| 20 | Esther Wilcox | 17 | Niece | — | Indiana |
| 21 | Esther Graham | 63 | Head | — | Alabama |
| 22 | Althea Wood | 39 | Daughter | Day Work | Alabama |
| 23 | Warren S. Hodge | 52 | Head | Preacher | Kentucky |
| 24 | Georgia Hodge | 50 | Wife | Laundress | Mississippi |
| 25 | Albert Beard | 63 | Head | Yard Man | Indiana |
| 26 | Clarence Lee | 46 | Head | Laborer | Indiana |
| 27 | Frances Lee | 44 | Wife | — | Indiana |
| 28 | Blanche Lee | 19 | Daughter | — | Indiana |
| 29 | Edward Lewis | 23 | Lodger | Laborer | Ohio |
| 30 | Roger Cornell | 36 | Head | Truck Driver | Tennessee |
| 31 | Katie Cornell | 38 | Wife | — | Kentucky |
| 32 | Isaiah Burse | 21 | Step-son | Time Keeper | Kentucky |
| 34 | Everett Parks | 22 | Head | Clerk | Indiana |
| 35 | Mildred Parks | 22 | Wife | Saleswoman | Indiana |
| 36 | Bernon Hamilton | 46 | Head | Painter | Indiana |
| 37 | Lola Hamilton | 45 | Wife | — | Indiana |
| 38 | Frances M. Clymer | 81 | Head | — | Indiana |
| 39 | Mattie T. Clymer | 70 | Wife | — | Indiana |
| 40 | Kenneth Lathrop | 31 | Head | Service Man | New York |
Related Census Records
Pedigree Summary
Robert + 1 sibling
Gen 1 · 4 parents
~0.92
Gen 2 · 3 grandparents
~0.81
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)