RK
Robert Kelley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Robert Kelley across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Kelley |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Gary City |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Gary City |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Kelley | Daughter | — | 29 | ~1911 |
| Kathleen Kelley | Daughter | — | 12 | ~1928 |
| Margaret Kelley | Daughter | — | 27 | ~1913 |
| Robert Kelley | Son | — | 17 | ~1923 |
| James Kelley | Head | — | 52 | ~1888 |
| Barbara Kelley | Daughter | — | 22 | ~1918 |
| Margaret Kelley | Spouse | — | 50 | ~1890 |
| Eleanor Kelley | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Lake, Indiana
Son, age 7
Lake, Indiana · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lake-County, Indiana
Son, age 17
Lake-County, Indiana · implied b. ~1923 — 8 household members
| Surname | Kelley |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Gary City |
| 1935 Residence (County) | Lake |
| 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 Kelley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Kelley
Son · 1940 · age 17 · b. ~1923 · Indiana
★ You are viewing this record
Sibling
Barbara Kelley
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kelley
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Kelley
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kelley
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Kelley
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 — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01121-01033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Perry H. Stevens | 58 | Head | President | Indiana |
| 2 | Elsie Stevens | 54 | Wife | — | Illinois |
| 3 | Elsie Johnson | 51 | Sister-in-law | — | Vermont |
| 4 | Edna Eichhorn | 66 | Sister | — | Indiana |
| 5 | Gertrude Quinn | 42 | Nurse | Nurse | Illinois |
| 6 | Wm. Mathews | 33 | Head | Civil Engineer | Wisconsin |
| 7 | Gladys Mathews | 33 | Wife | — | Alabama |
| 8 | Mary Lou Mathews | 6 | Daughter | — | Illinois |
| 9 | Nancy Jean Mathews | 4 | Daughter | — | Illinois |
| 10 | Helen Edith Mathews | 2 | Daughter | — | Illinois |
| 11 | Arthur Rolfe | 44 | Head | Teacher | Minnesota |
| 12 | Harley Rolfe | 38 | Wife | — | Indiana |
| 13 | Wayne Rolfe | 5 | Son | — | Indiana |
| 14 | Ida Cook | 42 | Housekeeper | Housekeeper | Missouri |
| 15 | Jesse Warrum | 52 | Head | Teacher | Indiana |
| 16 | Nancy Warrum | 49 | Wife | — | Indiana |
| 17 | Julia Fuqua | 9 | Niece | — | Indiana |
| 18 | John Wojnowski | 38 | Head | Machin. | Germany |
| 19 | Helen Wojnowski | 46 | Wife | — | Germany |
| 20 | Edwin Wojnowski | 24 | Son | Hooker | Illinois |
| 21 | Lilian Wojnowski | 23 | Daughter | — | Illinois |
| 22 | Glen Slick | 44 | Head | Manager | Indiana |
| 23 | Jo Ann Slick | 18 | Daughter | — | Indiana |
| 24 | Joyce Slick | 8 | Daughter | — | Indiana |
| 25 | — | None | — | — | — |
| 26 | Don Latsman | 37 | Head | Editor | Minnesota |
| 27 | Elsie P. Latsman | 35 | Wife | — | Iowa |
| 28 | Michael Latsman | 1 | Son | — | Indiana |
| 29 | Martha Rusten | 68 | Mother-in-law | — | Minnesota |
| 30 | James J. Kelley | 52 | Head | Real Estate Salesman | Illinois |
| 31 | Margaret Kelley | 50 | Wife | — | Illinois |
| 32 | Mary D. Kelley | 29 | Daughter | Teacher | Indiana |
| 33 | Margaret C. Kelley | 27 | Daughter | Social Worker | Indiana |
| 34 | Barbara Kelley | 22 | Daughter | — | Indiana |
| 35 | Eleanor Kelley | 19 | Daughter | — | Indiana |
| 36 | Robert Kelley THIS PERSON | 17 | Son | — | Indiana |
| 37 | Kathleen Kelley | 12 | Daughter | — | Indiana |
| 38 | Vance Phillips | 35 | Head | Salesman | Indiana |
| 39 | Martha Phillips | 31 | Wife | — | Indiana |
| 40 | Suzanne Phillips | 9 | Daughter | — | Illinois |
Related Census Records
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)