RS
Robert Schmidt — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Robert Schmidt across the 1910, 1920 and 1930 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Schmidt |
| Given Name | Robert E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Iron finisher |
| Industry | Fence works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Iron Finisher |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Schmidt | Son | — | 21 | ~1909 |
| John Schmidt | Head | — | 54 | ~1876 |
| John Schmidt | Son | — | 11 | ~1919 |
| Harold Schmidt | Son | — | 23 | ~1907 |
| Herbert Schmidt | Son | — | 18 | ~1912 |
| Anna Schmidt | Spouse | — | 49 | ~1881 |
Census Appearances
1910
Hamilton, Ohio
Son, age 1
Hamilton, Ohio · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmid |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Hamilton, Ohio
Son, age 11
Hamilton, Ohio · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 21
Hamilton, Ohio · implied b. ~1909 — 6 household members
| Surname | Schmidt |
| Given Name | Robert E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Iron finisher |
| Industry | Fence works |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Schmidt across 3 US Census years (1910, 1920 and 1930) in Hamilton, Ohio, using XGBoost record linkage. Identified parents: father John Schmidt (~0.92 confidence) and father John Schmidt (~0.92 confidence) and father John Schmid (~0.92 confidence) and mother Anna Schmidt (~0.92 confidence) and mother Elsa Schmid (~0.92 confidence) and mother Anna Schmidt (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Schmidt
b. ~1876
Source father
● Household
· direct · ~0.92
Father
John Schmidt
b. ~1877
Source father
● Household
· direct · ~0.92
Father
John Schmid
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Anna Schmidt
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Elsa Schmid
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Anna Schmidt
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Schmidt
Son · 1930 · age 21 · b. ~1909 · Ohio
★ You are viewing this record
Sibling
Harold Schmidt
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Schmidt
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Schmidt
Sibling · 1930 · age 11
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 — Hamilton, Ohio
Open full size
1930 US Federal Census — Hamilton, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1816:0440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Estelle Schrum | 17 | daughter | None | Ohio |
| 52 | Herbert B Wanning | 24 | Head | Salesman | Ohio |
| 53 | Leona Wanning | 25 | Wife | None | Ohio |
| 54 | Shirley M Wanning | 2 | daughter | None | Ohio |
| 55 | Charles L Perin | 51 | Head | Electrician | Ohio |
| 56 | Amanda L Perin | 46 | Wife | None | Ohio |
| 57 | Stanley M Perin | 24 | son | Surveyor | Ohio |
| 58 | Joan D Perin | 2 | daughter | None | Ohio |
| 59 | John B Schmidt | 54 | Head | Pressman | Ohio |
| 60 | Anna G Schmidt | 49 | Wife | None | Ohio |
| 61 | Harold F Schmidt | 23 | son | Truck Driver | Ohio |
| 62 | Robert E Schmidt THIS PERSON | 21 | son | Iron Finisher | Ohio |
| 63 | Herbert W Schmidt | 18 | son | Machine Shop | Ohio |
| 64 | John J Schmidt | 11 | son | None | Ohio |
| 65 | James Brenner | 40 | Head | Repairer | Ohio |
| 66 | Mary Brenner | 29 | Wife | Stenographer | Ohio |
| 67 | Elizabeth Weber | 70 | Mother in law | None | Indiana |
| 68 | Walter Stewart | 33 | Head | None | Germany |
| 69 | Frank Stewart | 35 | Brother | Foreman | Indiana |
| 70 | Norma Lillie | 29 | sister | Stenographer | Ohio |
| 71 | Lelara Lillie | 24 | sister | None | Ohio |
| 72 | Loretta Lillie | 22 | sister | None | Ohio |
| 73 | William N Horstmeyer | 50 | Head | Truck Gardener | Ohio |
| 74 | Clara M Horstmeyer | 44 | Wife | None | Ohio |
| 75 | Bertha S Horstmeyer | 22 | daughter | None | Ohio |
| 76 | Helen S Horstmeyer | 14 | daughter | None | Ohio |
| 77 | George W Meyers | 42 | Head | Electrician | Pennsylvania |
| 78 | Gladys Meyers | 38 | Wife | None | Indiana |
| 79 | Lloyd J Meyers | 18 | son | None | Indiana |
| 80 | Edna Meyers | 15 | daughter | Book Keeper | Pennsylvania |
| 81 | Ruth Meyers | 13 | daughter | None | Pennsylvania |
| 82 | Norma V Meyers | 12 | daughter | None | Ohio |
| 83 | Orville K Meyers | 10 | son | None | Ohio |
| 84 | Floyd F Meyers | 8 | son | None | Ohio |
| 85 | Glenn W Meyers | 2 | son | None | Ohio |
| 86 | John Fitzpatrick | 34 | Head | Iron Worker | Indiana |
| 87 | Emma Fitzpatrick | 30 | Wife | None | Ohio |
| 88 | Donald Fitzpatrick | 8 | son | None | Ohio |
| 89 | Maxine Fitzpatrick | 5 | daughter | None | Ohio |
| 90 | William G Roehel | 44 | Head | Plasterer | Ohio |
| 91 | Alice M Roehel | 41 | Wife | None | Ohio |
| 92 | Jacob Arbogast | 56 | Head | Brew Master | Germany |
| 93 | Mary Ann Arbogast | 51 | Wife | None | Germany |
| 94 | Fred J Fahrenkamp | 45 | Head | Machinist | Ohio |
| 95 | Mary Fahrenkamp | 41 | Wife | None | Ohio |
| 96 | Mildred Fahrenkamp | 18 | daughter | None | Ohio |
| 97 | Harry Fahrenkamp | 15 | son | None | Ohio |
| 98 | Edith Fahrenkamp | 10 | daughter | None | Ohio |
| 99 | Carl H Poppe | 43 | Head | Carpenter | Ohio |
| 100 | Julia Poppe | 40 | Wife | None | Ohio |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 6 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)