RP
Robert Pearson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Robert Pearson across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 9-person household.
Age 25
b. ~1915
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Pearson |
| Given Name | Robert O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Building contractor |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 420 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1915 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mabel Pearson | Spouse | — | 42 | ~1898 |
| Ivan Pearson | Son | — | 15 | ~1925 |
| Betty Pearson | Daughter | — | 12 | ~1928 |
| Glenn Pearson | Son | — | 21 | ~1919 |
| Robert Pearson | Son | — | 25 | ~1915 |
| Harold Pearson | Son | — | 6 | ~1934 |
| Carl Pearson | Son | — | 20 | ~1920 |
| Kelcie Pearson | Head | — | 43 | ~1897 |
| Eva Pearson | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Marion, Indiana
Son, age 15
Marion, Indiana · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 25
Marion-County, Indiana · implied b. ~1915 — 9 household members
| Surname | Pearson |
| Given Name | Robert O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Truck driver |
| Industry | Building contractor |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 420 |
| Highest Grade | H-2 |
| 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 Pearson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Pearson
Son · 1940 · age 25 · b. ~1915 · Indiana
★ You are viewing this record
Sibling
Harold Pearson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn Pearson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Pearson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ivan Pearson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Pearson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Pearson
Sibling · 1940 · age 12
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-t0627-01130-00535)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James C. Worley | 70 | Head | — | Indiana |
| 2 | Anna P. Worley | 68 | Wife | — | Indiana |
| 3 | Lurena Kersey | 51 | Head | Housekeeper | Indiana |
| 4 | Stella A. Kersey | 45 | Head | Telephone Operator | Indiana |
| 5 | Thresia E. Kersey | 19 | Daughter | New Worker | Indiana |
| 6 | Herman Long | 88 | Father | — | Germany |
| 7 | Ada E. Long | 72 | Mother | — | Indiana |
| 8 | Kelcie B. Pearson | 43 | Head | Superintendent | Indiana |
| 9 | Mabel Pearson | 42 | Wife | — | Indiana |
| 10 | Robert O. Pearson THIS PERSON | 25 | Son | Truck Driver | Indiana |
| 11 | Glenn B. Pearson | 21 | Son | Labeler | Indiana |
| 12 | Carl E. Pearson | 20 | Son | New Worker | Indiana |
| 13 | Eva M. Pearson | 17 | Daughter | — | Indiana |
| 14 | Ivan L. Pearson | 15 | Son | — | Indiana |
| 15 | Betty J. Pearson | 12 | Daughter | — | Indiana |
| 16 | Harold Pearson | 6 | Son | — | Indiana |
| 17 | Ben C. Parker | 31 | Head | Machinist | Indiana |
| 18 | Helen E. Parker | 37 | Wife | Dipper | Kentucky |
| 19 | Norma S. Parker | 15 | Daughter | — | Indiana |
| 20 | Carol A. Parker | 4 | Daughter | — | Indiana |
| 21 | Linda Lou Parker | 0 | Daughter | — | Indiana |
| 22 | Joe U. Carter | 26 | Head | Clerk | Indiana |
| 23 | Dorothy Carter | 28 | Wife | — | Nebraska |
| 24 | Jo-Donna Carter | 8 | Daughter | — | Indiana |
| 25 | Barbara Carter | 7 | Daughter | — | Indiana |
| 26 | Harold Shumate | 29 | Head | Clerk | Indiana |
| 27 | Vera L. Shumate | 27 | Wife | Tie-Knitter | Indiana |
| 28 | Donna S. Shumate | 5 | Daughter | — | Indiana |
| 29 | Mary L. Shumate | 3 | Daughter | — | Indiana |
| 30 | Arnold O. Wills | 42 | Head | Truck Driver | Kentucky |
| 31 | Helen M. Wills | 27 | Wife | Machine Operator | Indiana |
| 32 | Robert R. Knight | 44 | Head | Pipe-Fitter | Indiana |
| 33 | Mary Knight | 44 | Wife | Maid | Indiana |
| 34 | Robert E. Knight | 16 | Son | — | Indiana |
| 35 | Mabel M. Pyatt | 25 | Daughter | Waitress | Indiana |
| 36 | Clyde B. Richmond | 37 | Head | Plumber | Kentucky |
| 37 | Vernice S. Richmond | 37 | Wife | — | Indiana |
| 38 | Clyde B. Jr. Richmond | 16 | Son | — | Illinois |
| 39 | William J. Yauch | 29 | Head | Lens Grinder | Ohio |
| 40 | Mabel E. Yauch | 28 | Wife | Operator | Indiana |
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)