RS
Robert Summers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Robert Summers across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Summers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | U |
| Hours Worked | 8 |
| Income (1939) | 360 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | New Worker |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Adeline Summers | Daughter | — | 7 | ~1933 |
| Chester Summers | Son | — | 20 | ~1920 |
| Albert Summers | Son | — | 9 | ~1931 |
| Bernice Summers | Daughter | — | 15 | ~1925 |
| Maynard Summers | Son | — | 13 | ~1927 |
| Lelia Summers | Daughter | — | 17 | ~1923 |
| Shirley Summers | Spouse | — | 40 | ~1900 |
| Paul Summers | Son | — | 11 | ~1929 |
| Thelma Summers | Daughter | — | 7 | ~1933 |
| Robert Summers | Son | — | 19 | ~1921 |
Census Appearances
1930
Marion, Indiana
Son, age 10
Marion, Indiana · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Summers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Marion-County, Indiana
Son, age 19
Marion-County, Indiana · implied b. ~1921 — 10 household members
| Surname | Summers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | New Worker |
| Class of Worker | U |
| Hours Worked | 8 |
| Income (1939) | 360 |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Summers across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Summers
Son · 1940 · age 19 · b. ~1921 · Indiana
★ You are viewing this record
Sibling
Albert Summers
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Summers
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Summers
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Summers
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maynard Summers
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adeline Summers
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Summers
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lelia Summers
Sibling · 1940 · age 17
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-t0627-01131-00945)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Shirley Summers | 40 | Wife | — | Kentucky |
| 42 | Chester Summers | 20 | Son | Service Boy | Kentucky |
| 43 | Robert Summers THIS PERSON | 19 | Son | New Worker | Kentucky |
| 44 | Lelia Summers | 17 | Daughter | — | Kentucky |
| 45 | Bernice Summers | 15 | Daughter | — | Kentucky |
| 46 | Maynard Summers | 13 | Son | — | Indiana |
| 47 | Paul Summers | 11 | Son | — | Indiana |
| 48 | Albert Summers | 9 | Son | — | Indiana |
| 49 | Adeline Summers | 7 | Daughter | — | Indiana |
| 50 | Thelma Summers | 7 | Daughter | — | Indiana |
| 51 | Mendel Redos | 39 | Head | Hod Carrier | Tennessee |
| 52 | Velma Redos | 23 | Wife | Maid | Indiana |
| 53 | David L. Cantrell | 66 | Head | Laborer | Tennessee |
| 54 | Clara Cantrell | 47 | Wife | Cook | Florida |
| 55 | Roscoe Kennedy | 39 | Head | Trucker | Kentucky |
| 56 | Mable Kennedy | 46 | Wife | — | Kentucky |
| 57 | Fern Hughbanks | 2 | Step-Daughter | — | Indiana |
| 58 | Lewis Shelby | 23 | Head | Laborer | Tennessee |
| 59 | Gladys Shelby | 21 | Wife | — | Indiana |
| 60 | Elsie Shelby | 0 | Daughter | — | Indiana |
| 61 | Leonard Grundy | 37 | Head | Laborer | Kentucky |
| 62 | Mary Grundy | 30 | Wife | — | Georgia |
| 63 | John R. Grundy | 27 | Brother | Contractor | Kentucky |
| 64 | Margaret Grundy | 22 | Sister-in-law | — | Indiana |
| 65 | John R. Jr. Grundy | 2 | Nephew | — | Indiana |
| 66 | Joseph Alexander | 40 | Head | Laborer | Louisiana |
| 67 | Lottie Alexander | 34 | Wife | Maid | Louisiana |
| 68 | Vincent Alexander | 8 | Son | — | Louisiana |
| 69 | Mary Alexander | 4 | Daughter | — | Louisiana |
| 70 | Joseph Jr. Alexander | 2 | Son | — | Louisiana |
| 71 | Hilary Coffer | 43 | Head | Janitor | Indiana |
| 72 | Gustavia Coffer | 32 | Wife | — | Kentucky |
| 73 | Hilary Jr. Coffer | 13 | Son | Laborer | Kentucky |
| 74 | Donald Coffer | 4 | Son | — | Indiana |
| 75 | Lee Nelson | 69 | Head | Laborer | Indiana |
| 76 | Millie Nelson | 62 | Wife | — | Tennessee |
| 77 | Lafayette Kennedy | 25 | Head | Disposal Truck Operator | N. Carolina |
| 78 | Elizabeth Kennedy | 25 | Wife | — | N. Carolina |
| 79 | Viola Kennedy | 30 | Daughter | Maid | Indiana |
| 80 | Marcus Kennedy | 14 | Grand-Son | — | 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)