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Robert Wolf — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Robert Wolf across the 1920, 1930 and 1940 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed), with identified parents Henry & Jacob — first a son (b.~1914), then head of a 7-person household.
Age 16
b. ~1914
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Wolf |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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 | Springfield Township |
| Est. Birth Year | ~1914 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| John Wolf | Son | — | 19 | ~1911 |
| Marguerite Wolf | Daughter | — | 12 | ~1918 |
| Clark Wolf | Son | — | 10 | ~1920 |
| Sophie Wolf | Spouse | — | 41 | ~1889 |
| Henry Wolf | Head | — | 44 | ~1886 |
| Robert Wolf | Son | — | 16 | ~1914 |
| Emelia Keltner | Other | — | 75 | ~1855 |
Census Appearances
1920
Hamilton, Ohio
Son, age 6
Hamilton, Ohio · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Speaks English | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 16
Hamilton, Ohio · implied b. ~1914 — 7 household members
| Surname | Wolf |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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
Hamilton-County, Ohio
Head, age 27
Hamilton-County, Ohio · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolfe |
| Given Name | Robert E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Hours Worked | 0 |
| Income (1939) | 2100 |
| Highest Grade | C 4 |
| 1935 Residence | Ohio |
| 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 Wolf across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Wolf (~0.92 confidence) and father Jacob Wolf (~0.92 confidence) and mother Clara Wolf (~0.92 confidence) and mother Sophie Wolf (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Wolf
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Jacob Wolf
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Clara Wolf
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Sophie Wolf
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Wolf
Son · 1930 · age 16 · b. ~1914 · Ohio
★ You are viewing this record
Sibling
Clark Wolf
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Wolf
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Wolf
Sibling · 1930 · 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
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:ohiocensus00reel1819:0836)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank E. Jones | 41 | Head | Laborer | New Mexico |
| 52 | Estella Jones | 41 | Wife | — | Ohio |
| 53 | Byron E. Jones | 20 | Son | Laborer | Ohio |
| 54 | Dorothy L. Jones | 18 | Daughter | — | Ohio |
| 55 | Ida G. Jones | 17 | Daughter | — | Ohio |
| 56 | Elizabeth Y. Jones | 16 | Daughter | — | Ohio |
| 57 | Marion E. Jones | 14 | Daughter | — | Ohio |
| 58 | George F. Jones | 11 | Son | — | Ohio |
| 59 | William P. Byerly | 68 | Father-in-law | Laborer | Russia |
| 60 | John B. Johnson | 79 | Head | Laborer | Ohio |
| 61 | Augustia Johnson | 67 | Wife | — | Kentucky |
| 62 | John D. Hoyle | 48 | Head | Farmer | Ohio |
| 63 | Anna L. Hoyle | 44 | Wife | — | Ohio |
| 64 | Ralph J. Hoyle | 19 | Son | Laborer | Kentucky |
| 65 | Rudolph Schneidhorst | 36 | Head | Dairyman | Ohio |
| 66 | Marcella Schneidhorst | 31 | Wife | — | Ohio |
| 67 | Anna Schneidhorst | 71 | Mother | — | Germany |
| 68 | Jacob L. Uehman | 47 | Boarder | Laborer | England |
| 69 | Fred G. Christophel | 60 | Head | Paper Maker | Ohio |
| 70 | Mary C. Christophel | 54 | Wife | — | Ohio |
| 71 | Marcella Christophel | 26 | Daughter | Stenographer | Ohio |
| 72 | Clara E. Christophel | 24 | Daughter | Stenographer | Ohio |
| 73 | Jacob E. Christophel | 22 | Son | Laborer | Ohio |
| 74 | Joseph A. Christophel | 19 | Son | Laborer | Ohio |
| 75 | William P. Spangler | 70 | Head | Milk Dealer | Ohio |
| 76 | Louise M. Spangler | 63 | Wife | — | Ohio |
| 77 | Henrietta L. Spangler | 32 | Daughter | Teacher | Ohio |
| 78 | Alice E. Spangler | 29 | Daughter | — | Ohio |
| 79 | Martha J. Schneidhorst | 63 | Sister-in-law | — | Ohio |
| 80 | Gideon K. Hunsberger | 69 | Head | Retired | Pennsylvania |
| 81 | Nancy E. Hunsberger | 68 | Wife | — | Ohio |
| 82 | Gretchen J. Hunsberger | 30 | Daughter | — | Ohio |
| 83 | Florence A. Hunsberger | 26 | Daughter | — | Ohio |
| 84 | George J. Blair | 37 | Head | Chemist | Massachusetts |
| 85 | Ruth L. Blair | 37 | Wife | — | Massachusetts |
| 86 | Clark L. Blair | 12 | Son | — | Ohio |
| 87 | Howard R. Blair | 10 | Son | — | Ohio |
| 88 | Ida E. Jordan | 25 | Servant | Servant | Ohio |
| 89 | Henry B. Wolf | 44 | Head | Farmer | Ohio |
| 90 | Sophie E. Wolf | 41 | Wife | — | Ohio |
| 91 | John R. Wolf | 19 | Son | Clerk | Ohio |
| 92 | Robert H. Wolf THIS PERSON | 16 | Son | — | Ohio |
| 93 | Marguerite E. Wolf | 12 | Daughter | — | Ohio |
| 94 | Clark E. Wolf | 10 | Son | — | Ohio |
| 95 | Emelia M. Keltner | 75 | Mother-in-law | — | Kentucky |
| 96 | August Rolf | 73 | Head | Farmer | Germany |
| 97 | Mary Rolf | 70 | Wife | — | Germany |
| 98 | Bernard Freyhoff | 71 | Boarder | Laborer | Germany |
| 99 | Martin J. Hilbert | 30 | Head | Salesman | Missouri |
| 100 | Fay E. Hilbert | 27 | Wife | — | Ohio |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 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)