JH
John Hoffman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this John Hoffman across the 1920, 1930 and 1940 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed), with identified parents Fred & Ella — first a son (b.~1909), then head of a 3-person household.
Age 21
b. ~1909
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cuyahoga, Ohio |
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Machinist |
| Industry | Railroad Round House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Machinist |
| Township / Ward | Cleveland 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Frederick Hoffman | Head | — | 59 | ~1871 |
| Ella Hoffman | Other | — | 53 | ~1877 |
| John Hoffman | Son | — | 21 | ~1909 |
Census Appearances
1920
Cuyahoga, Ohio
Son, age 11
Cuyahoga, Ohio · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 21
Cuyahoga, Ohio · implied b. ~1909 — 3 household members
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Railroad Round House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Head, age 30
Cuyahoga-County, Ohio · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huffman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Machinist |
| Industry | Tools & Steel |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 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 John Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Hoffman (~0.92 confidence) and mother Ella Hoffman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Hoffman
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Ella Hoffman
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Son · 1930 · age 21 · b. ~1909 · 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 — Cuyahoga, Ohio
Open full size
1930 US Federal Census — Cuyahoga, Ohio
Page Contents
47 people indexed on this census page (ia:1930:ohiocensus00reel1777:0509)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Henry Mcmahon | 38 | Head | Machinist | Illinois |
| 52 | Rowena Mcmahon | 34 | Wife-H | — | Virginia |
| 53 | Betty Mcmahon | 13 | daughter | — | Ohio |
| 54 | Ingham Wetherbee | 38 | boarder | Truck Driver | Tennessee |
| 55 | Owen Mcmahon | 33 | boarder | Switchman | Ohio |
| 57 | Charles Bier | 24 | Head | Accountant | Maryland |
| 58 | Mary Bier | 22 | Wife-H | — | Europe |
| 59 | James Bier | 2 | son | — | Ohio |
| 60 | William Ellis | 37 | Head | Superintendent | Pennsylvania |
| 61 | Verna Ellis | 38 | Wife-H | — | Ohio |
| 63 | George Valentine | 29 | Head | Machinist | Pennsylvania |
| 64 | Gertrude Valentine | 24 | Wife-H | — | Pennsylvania |
| 65 | Nevada Watt | 37 | Head | Salad Maker | Pennsylvania |
| 66 | Lillian Watt | 15 | daughter | — | Ohio |
| 67 | Roy Mahaffee | 33 | Head | Mechanic | Ohio |
| 68 | Lucetta Mahaffee | 24 | Wife-H | — | Ohio |
| 69 | Frederick Gruck | 53 | Head | Foreman | England |
| 70 | Annie Gruck | 46 | wife | — | England |
| 71 | George Gruck | 20 | son | Book Keeper | England |
| 72 | Helen Gruck | 15 | daughter | — | Ohio |
| 73 | Patrick Burke | 38 | Head | Yard Conductor | Iowa |
| 74 | Marie Burke | 39 | wife-H | — | W. Ireland |
| 75 | Raymond Burke | 11 | son | — | Ohio |
| 76 | Betty Burke | 10 | daughter | — | Ohio |
| 77 | Charles Mccurdy | 35 | Head | Body Builder | Texas |
| 78 | Pearl Mccurdy | 40 | Wife-H | Saleslady | Ohio |
| 79 | Frederick Hoffman | 59 | Head | Carpenter | Switzerland |
| 80 | Ella Hoffman | 53 | Wife-H | — | Pennsylvania |
| 81 | John Hoffman THIS PERSON | 21 | son | Machinist | Ohio |
| 82 | Agnes Allan | 47 | Head | — | Scotland |
| 83 | Alexander Allan | 27 | son | Shaper | Scotland |
| 84 | Jean Allan | 24 | daughter | Cashier | Scotland |
| 85 | John Allan | 22 | son | Trimmer | Scotland |
| 86 | Alfred Johnson | 39 | Head | Lathe Hand | Massachusetts |
| 87 | Mabel Johnson | 32 | wife-H | Saleslady | Pennsylvania |
| 88 | Grace Johnson | 14 | daughter | — | Pennsylvania |
| 89 | Alfred Johnson | 9 | son | — | Pennsylvania |
| 90 | Edward Harvack | 31 | Head | Salesman | Ohio |
| 91 | Hazel Harvack | 27 | Wife-H | — | Ohio |
| 92 | Betty Harvack | 4 | daughter | — | Ohio |
| 93 | Ray Whitacre | 34 | Head | Layer Out | Ohio |
| 94 | Mary Whitacre | 31 | Wife-H | — | Pennsylvania |
| 95 | Hannah Whitacre | 6 | daughter | — | Ohio |
| 96 | Sidney Barth | 42 | Head | Pattern Maker | Ohio |
| 97 | Hannah Barth | 44 | Wife-H | — | Ohio |
| 98 | Fern Barth | 20 | daughter | Saleslady | Ohio |
| 99 | Annetta Barth | 17 | daughter | — | Ohio |
Related Census Records
Pedigree Summary
John
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)