RH
Robert Harmon — 1930 US Census Record
Model Tree available1930 United States Federal Census · Wyandot, Ohio
Our Model Tree links this Robert Harmon across the 1920, 1930 and 1940 US Censuses in Wyandot, Ohio (XGBoost, ~Confirmed), with identified parents Benjamin & C — first a son (b.~1911), then head of a 5-person household.
Age 19
b. ~1911
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wyandot, Ohio |
| Surname | Harmon |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Upper Sandusky Village |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Harmon | Head | — | 48 | ~1882 |
| John Harmon | Son | — | 15 | ~1915 |
| Mildred Harmon | Spouse | — | 47 | ~1883 |
| Richard Harmon | Son | — | 17 | ~1913 |
| Robert Harmon | Son | — | 19 | ~1911 |
Census Appearances
1920
Wyandot, Ohio
Son, age 8
Wyandot, Ohio · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Wyandot, Ohio
Son, age 19
Wyandot, Ohio · implied b. ~1911 — 5 household members
| Surname | Harmon |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Wyandot-County, Ohio
Son, age 28
Wyandot-County, Ohio · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Upper Sandusky Village |
| 1935 Residence (County) | Wyandot |
| Occupation | Teacher |
| Industry | High School Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benjamin Harman (~0.92 confidence) and father C Harman (~0.92 confidence) and mother E Harman (~0.92 confidence) and mother Mildred Harmon (~0.92 confidence) and mother Minnie Harman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Harman
b. ~1882
Source father
● Household
· direct · ~0.92
Father
C Harman
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
E Harman
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mildred Harmon
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Minnie Harman
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Harmon
Son · 1930 · age 19 · b. ~1911 · Ohio
★ You are viewing this record
Sibling
Richard Harmon
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Harmon
Sibling · 1930 · age 15
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
1930 US Federal Census — Wyandot, Ohio
Open full size
1930 US Federal Census — Wyandot, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1889:1045)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Sprague | 34 | Head | Machinist | New York |
| 2 | Grace Sprague | 28 | Wife | — | New York |
| 3 | Hannah Schuuneman | 72 | Head | — | Germany |
| 4 | Huldah Schuuneman | 48 | Daughter | — | Indiana |
| 5 | Morton Gibson | 81 | Head | — | Ohio |
| 6 | Mary Gibson | 80 | Wife | — | Ohio |
| 7 | Mary E. Pinks | 76 | Head | — | Ohio |
| 8 | Forest G. Nuss | 39 | Head | Grain Elevator | Ohio |
| 9 | Mary A. Nuss | 45 | Wife | — | Ohio |
| 10 | Earl Carey | 45 | Lodger | Lawyer | Ohio |
| 11 | Lee M. Newcomer | 49 | Head | Editor | Ohio |
| 12 | Mary Newcomer | 40 | Wife | — | Ohio |
| 13 | Margaret Newcomer | 16 | Daughter | — | Ohio |
| 14 | John Newcomer | 14 | Son | — | Ohio |
| 15 | Adelene Newcomer | 8 | Daughter | — | Ohio |
| 16 | Paul Newcomer | 6 | Son | — | Ohio |
| 17 | Charles Hulthman | 58 | Head | Surveyor | Illinois |
| 18 | Margaret Hulthman | 53 | Wife | — | Ireland |
| 19 | M. Ellen Hulthman | 19 | Daughter | — | Ohio |
| 20 | Elmore Osburn | 76 | Head | Buyer | Ohio |
| 21 | Catharine Osburn | 81 | Wife | — | Indiana |
| 22 | William F. Rockwood | 74 | Head | Broker | Ohio |
| 23 | Jennie E. Rockwood | 78 | Wife | — | Ohio |
| 24 | A. O. Luber | 64 | Head | Teacher | Ohio |
| 25 | Mary E. Luber | 58 | Wife | — | Ohio |
| 26 | John P. Casey | 51 | Head | — | Canada-English |
| 27 | Alice Casey | 53 | Wife | — | Ohio |
| 28 | Lloyd S. Hale | 34 | Head | Agent | Missouri |
| 29 | Ida L. Hale | 35 | Wife | — | Ohio |
| 30 | James Hale | 4 | Son | — | Missouri |
| 31 | Alice Hale | 1 | Daughter | — | Missouri |
| 32 | Benjamin Harmon | 48 | Head | Auditor | Ohio |
| 33 | Mildred Harmon | 47 | Wife | — | At Sea |
| 34 | Robert Harmon THIS PERSON | 19 | Son | — | Ohio |
| 35 | Richard Harmon | 17 | Son | — | Ohio |
| 36 | John Harmon | 15 | Son | — | Ohio |
| 37 | Floy Hale | 57 | Head | — | Pennsylvania |
| 38 | Clara Hess | 50 | Head | — | Virginia |
| 39 | George O. Maskey | 74 | Head | — | Pennsylvania |
| 40 | Stella Maskey | 60 | Wife | — | Ohio |
| 41 | Rose Martin | 78 | Head | — | Germany |
| 42 | Ida Martin | 52 | Daughter | — | Ohio |
| 43 | Norman Sweat | 53 | Head | Clergyman | Michigan |
| 44 | Bessie Sweat | 55 | Wife | — | Pennsylvania |
| 45 | Edwin F. Stephan | 59 | Head | Retail Merchant | Ohio |
| 46 | Nettie Stephan | 47 | Wife | — | Ohio |
| 47 | Paul S. Stephan | 21 | Son | — | Ohio |
| 48 | Helen L. Stephan | 16 | Daughter | — | Ohio |
| 49 | David E. Stephan | 9 | Son | — | Ohio |
| 50 | Sylvester Clark | 49 | Head | Book-Keeper | Ohio |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)