HZ
Harry Zimmerman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Columbiana, Ohio
Our Model Tree links this Harry Zimmerman across the 1910, 1920 and 1930 US Censuses in Columbiana, Ohio (XGBoost, ~Confirmed), with identified parents Harry & Ida — first a head (b.~1905), then head of a 6-person household.
Age 25
b. ~1905
Male
Head
Born: Ohio
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Columbiana, Ohio |
| Surname | Zimmerman |
| Given Name | Harry Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 24 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Coal Yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Truck Driver |
| Township / Ward | Perry Twp |
| Est. Birth Year | ~1905 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Zimmerman | Daughter | — | 4 | ~1926 |
| Harry Zimmerman | Head | — | 25 | ~1905 |
| Edward Zimmerman | Son | — | 1 | ~1929 |
| Nellie Zimmerman | Spouse | — | 25 | ~1905 |
| Robert Zimmerman | Son | — | 6 | ~1924 |
| Clarence Zimmerman | Son | — | 10 | ~1920 |
Census Appearances
1910
Columbiana, Ohio
Son, age 4
Columbiana, Ohio · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Columbiana, Ohio
Son, age 14
Columbiana, Ohio · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Columbiana, Ohio
Head, age 25
Columbiana, Ohio · implied b. ~1905 — 6 household members
| Surname | Zimmerman |
| Given Name | Harry Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 24 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Truck Driver |
| Industry | Coal Yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| 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 Harry Zimmerman across 3 US Census years (1910, 1920 and 1930) in Columbiana, Ohio, using XGBoost record linkage. Identified parents: father Harry Zimmerman (~0.92 confidence) and mother Ida Zimmerman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Zimmerman
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Ida Zimmerman
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Zimmerman
Head · 1930 · age 25 · b. ~1905 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Columbiana, Ohio
Open full size
1930 US Federal Census — Columbiana, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1759:1041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jacob F Kaefer | 22 | Head | Truck Driver | Ohio |
| 2 | Mildred Kaefer | 22 | Wife | — | Ohio |
| 3 | William H Kaefer | 2 | Son | — | Ohio |
| 4 | Betty J Kaefer | 1 | Daughter | — | Ohio |
| 5 | Minnie A Kaefer | 58 | Mother-in-law | — | Ohio |
| 6 | Benjamin F Mark | 28 | Head | Pottery Worker | Ohio |
| 7 | Pearl L Mark | 26 | Wife | — | Ohio |
| 8 | Benjamin F Jr Mark | 6 | Son | — | Ohio |
| 9 | Catherine A Mark | 3 | Daughter | — | Ohio |
| 10 | Mary Mccartney | 68 | Head | Invalid | Ohio |
| 11 | Mary E Mccartney | 68 | Wife | — | Ohio |
| 12 | Austin H Fireman | 43 | Head | Painter | Ohio |
| 13 | Margaret A Fireman | 38 | Wife | — | Pennsylvania |
| 14 | Clifford H Robinson | 34 | Head | Printer | Ohio |
| 15 | Marie Robinson | 32 | Wife | — | Ohio |
| 16 | Richard N Robinson | 4 | Son | — | Ohio |
| 17 | George J Endres | 40 | Head | Florist | Ohio |
| 18 | Victoria Endres | 40 | Wife | — | Ohio |
| 19 | Mary G Endres | 7 | Daughter | — | Ohio |
| 20 | Helen K Endres | 2 | Daughter | — | Ohio |
| 21 | Harry Lacon | 23 | Head | Auto Radios | Ohio |
| 22 | Marion E Lacon | 20 | Wife | Attendant | Ohio |
| 23 | Gladys M Lacon | 1 | Daughter | — | Ohio |
| 24 | James Crawford | 83 | Head | Retired | Ohio |
| 25 | Harry Hendricks | 75 | Head | Farmer | Ohio |
| 26 | Emma Hendricks | 73 | Wife | — | Ohio |
| 27 | Clyde G Brown | 39 | Head | Laborer | Ohio |
| 28 | Clara J Brown | 32 | Wife | Core Maker | Ohio |
| 29 | Ralph Ritchie | 39 | Head | — | Ohio |
| 30 | Lois B Ritchie | 39 | Wife | — | Ohio |
| 31 | Robin R Ritchie | 15 | Son | — | Ohio |
| 32 | Kenneth J Ritchie | 12 | Son | — | Ohio |
| 33 | Lester H Wilkinson | 24 | Head | Labor | Ohio |
| 34 | Emma H Wilkinson | 19 | Wife | — | Ohio |
| 35 | Margaret A Wilkinson | 2 | Daughter | — | Ohio |
| 36 | Harry Zimmerman | 51 | Head | Foreman | Ohio |
| 37 | Ida Zimmerman | 46 | Wife | — | Ohio |
| 38 | Mary E Zimmerman | 16 | Daughter | — | Ohio |
| 39 | Lavina Zimmerman | 10 | Daughter | — | Ohio |
| 40 | Anna L Zimmerman | 7 | Daughter | — | Ohio |
| 41 | Benjamin E Zimmerman | 5 | Son | — | Ohio |
| 42 | Harry Jr Zimmerman THIS PERSON | 25 | Head | Truck Driver | Ohio |
| 43 | Nellie Zimmerman | 25 | Wife | — | Ohio |
| 44 | Clarence H Zimmerman | 10 | Son | — | Ohio |
| 45 | Robert L Zimmerman | 6 | Son | — | Ohio |
| 46 | Dorothy Zimmerman | 4 | Daughter | — | Ohio |
| 47 | Edward J Zimmerman | 1 | Son | — | Ohio |
| 48 | Albert Zimmerman | 27 | Head | Laborer | Ohio |
| 49 | Marie Zimmerman | 23 | Wife | — | Ohio |
| 50 | Robert N Zimmerman | 3 | Son | — | Ohio |
Pedigree Summary
Harry
Gen 1 · 2 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)