RH
Robert Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vanderburgh-County, Indiana
Our Model Tree links this Robert Harmon across the 1930 and 1940 US Censuses in Vanderburgh-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vanderburgh-County, Indiana |
| Surname | Harmon |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville City |
| 1935 Residence (County) | Vanderburgh |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Evansville City |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Charles Harmon | Son | — | 18 | ~1922 |
| Fred Harmon | Son | — | 10 | ~1930 |
| Catherine Harmon | Daughter | — | 15 | ~1925 |
| Nick Harmon | Head | — | 48 | ~1892 |
| Don Harmon | Son | — | 17 | ~1923 |
| Roberta Harmon | Daughter | — | 12 | ~1928 |
| Iren Harmon | Spouse | — | 40 | ~1900 |
| Irma Harmon | Daughter | — | 20 | ~1920 |
| Robert Harmon | Son | — | 12 | ~1928 |
Census Appearances
1930
Vanderburgh, Indiana
Son, age 1
Vanderburgh, Indiana · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harman |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vanderburgh-County, Indiana
Son, age 12
Vanderburgh-County, Indiana · implied b. ~1928 — 9 household members
| Surname | Harmon |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville City |
| 1935 Residence (County) | Vanderburgh |
| Highest Grade | No 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 Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Harmon
Son · 1940 · age 12 · b. ~1928 · Indiana
★ You are viewing this record
Sibling
Charles Harmon
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roberta Harmon
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Harmon
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Don Harmon
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Harmon
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irma Harmon
Sibling · 1940 · age 20
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 — Vanderburgh-County, Indiana
Open full size
1940 US Federal Census — Vanderburgh-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01114-00343)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ollie Miller | 42 | Sister | Stenner | Indiana |
| 2 | Nick Harmon | 48 | Head | — | Indiana |
| 3 | Iren D. Harmon | 40 | Wife | — | Kentucky |
| 4 | Irma Harmon | 20 | Daughter | Stenner | Indiana |
| 5 | Charles Harmon | 18 | Son | New Worker | Indiana |
| 6 | Don Harmon | 17 | Son | — | Indiana |
| 7 | Catherine Harmon | 15 | Daughter | — | Indiana |
| 8 | Roberta Harmon | 12 | Daughter | — | Indiana |
| 9 | Robert Harmon THIS PERSON | 12 | Son | — | Indiana |
| 10 | Fred Jr. Harmon | 10 | Son | — | Indiana |
| 11 | George Caldwell | 30 | Head | Coilwinder | Missouri |
| 12 | Mary Louise Caldwell | 28 | Wife | — | Kentucky |
| 13 | Donald Caldwell | 9 | Son | — | Indiana |
| 14 | Doris Caldwell | 6 | Daughter | — | Indiana |
| 15 | Asa Denilley | 44 | Head | — | Indiana |
| 16 | William Denilley | 22 | Son | Road Work | Indiana |
| 17 | Alvin Gregg | 46 | Boarder | Shipper | Kentucky |
| 18 | Helen Denilley | 19 | Daughter | — | Kentucky |
| 19 | Merle Denilley | 17 | Daughter | — | Indiana |
| 20 | Walter Russell | 60 | Head | Finisher | Indiana |
| 21 | James Bailey | 20 | Head | Off Bearer Machine | Kentucky |
| 22 | Jessie Bailey | 19 | Wife | — | Indiana |
| 23 | Geraldine Bailey | 1 | Daughter | — | Indiana |
| 24 | Alvin Perry | 23 | Head | Road Construction | Kentucky |
| 25 | Eloise Perry | 24 | Wife | — | Kentucky |
| 26 | Mary Jean Perry | 2 | Daughter | — | Indiana |
| 27 | Mabel Martin | 45 | Head | Cigar Maker Machine | Indiana |
| 28 | Norma J. Murphy | 15 | Daughter | — | Indiana |
| 29 | Homer Benard | 43 | Head | Coal Digger | Kentucky |
| 30 | Margaret Benard | 36 | Wife | — | Kentucky |
| 31 | Evelyn Benard | 19 | Daughter | New Worker | Indiana |
| 32 | Carl Benard | 17 | Son | — | Indiana |
| 33 | Frederick Benard | 11 | Son | — | Indiana |
| 34 | Henry M. Hull | 44 | Head | Recreation | Indiana |
| 35 | Marie Hull | 36 | Wife | — | Tennessee |
| 36 | Billy Hull | 8 | Son | — | Indiana |
| 37 | Carol Jean Hull | 7 | Daughter | — | Indiana |
| 38 | Mary Ida Hull | 5 | Daughter | — | Indiana |
| 39 | Jimmy Neil Hull | 2 | Son | — | Indiana |
| 40 | Andrew Fichtmenter | 69 | Head | — | France |
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)