JH
John Hoffman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Scott, Iowa
Our Model Tree links this John Hoffman across the 1920, 1930 and 1940 US Censuses in Scott, Iowa (XGBoost, ~Confirmed), with identified parents Henry & Mary — first a son (b.~1905), then head of a 4-person household.
Age 25
b. ~1905
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Scott, Iowa |
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Allens Grove Township Part Of |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alice Hoffman | Daughter | — | 23 | ~1907 |
| Henry Hoffman | Head | — | 53 | ~1877 |
| Mary Hoffman | Other | — | 53 | ~1877 |
| John Hoffman | Son | — | 25 | ~1905 |
Census Appearances
1920
Scott, Iowa
Son, age 15
Scott, Iowa · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Son, age 25
Scott, Iowa · implied b. ~1905 — 4 household members
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Head, age 35
Scott-County, Iowa · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Allen's Grove Twp |
| 1935 Residence (County) | Scott |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Henry Hoffman (~0.92 confidence) and mother Mary Hoffmann (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Hoffman
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Mary Hoffmann
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Son · 1930 · age 25 · b. ~1905 · Iowa
★ You are viewing this record
Sibling
Alice Hoffman
Sibling · 1930 · age 23
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 — Scott, Iowa
Open full size
1930 US Federal Census — Scott, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel681:0013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Darley | 48 | Head | Father | Iowa |
| 2 | Nellie Darley | 47 | Wife-H | — | Iowa |
| 3 | Emmabelle Darley | 12 | Daughter | — | Iowa |
| 4 | Henry Hoffman | 53 | Head | Farmer | Iowa |
| 5 | Mary Hoffman | 53 | Wife-H | — | Iowa |
| 6 | John Hoffman THIS PERSON | 25 | Son | Laborer | Iowa |
| 7 | Alice Hoffman | 23 | Daughter | — | Iowa |
| 8 | Dawson Smith | 47 | Head | Farmer | Kentucky |
| 9 | Laura Smith | 36 | Wife-H | — | Indiana |
| 10 | Carroll Smith | 16 | Son | — | Iowa |
| 11 | Leona Smith | 15 | Daughter | — | Iowa |
| 12 | Basil Smith | 13 | Son | — | Iowa |
| 13 | Roma Smith | 12 | Daughter | — | Missouri |
| 14 | Courtland Smith | 8 | Son | — | Iowa |
| 15 | Scotty Smith | 6 | Son | — | Iowa |
| 16 | Joan Smith | 3 | Daughter | — | Iowa |
| 17 | Herman Wiese | 63 | Head | Farmer | Iowa |
| 18 | Elmer Wiese | 30 | Son | Farmer | Iowa |
| 19 | Leah Wiese | 21 | Daughter-in-law | — | Iowa |
| 20 | Ray Wiese | 27 | Son | Laborer | Iowa |
| 21 | Agnes Bredericha | 41 | Head-H | — | Iowa |
| 22 | Wm Flinken | 68 | Father | — | Iowa |
| 23 | Leroy Flinken | 25 | Brother | Laborer | Iowa |
| 24 | Bern. Wuestenberg | 58 | Head | Farmer | Iowa |
| 25 | Alvena Wuestenberg | 52 | Wife-H | — | Iowa |
| 26 | Alice Wuestenberg | 22 | Daughter | — | Iowa |
| 27 | Erven Wuestenberg | 19 | Son | Laborer | Iowa |
| 28 | Victor Wuestenberg | 16 | Son | — | Iowa |
| 29 | Harold Wuestenberg | 11 | Son | — | Iowa |
| 30 | John Wuestenberg | 53 | Head | Farmer | Iowa |
| 31 | Catherine Wuestenberg | 48 | Wife-H | — | Iowa |
| 32 | Norman Wuestenberg | 23 | Son | Laborer | Iowa |
| 33 | Ethel Wuestenberg | 21 | Daughter | — | Iowa |
| 34 | Marvin Wuestenberg | 20 | Son | Laborer | Iowa |
| 35 | Russel Wuestenberg | 17 | Son | — | Iowa |
| 36 | Claud Wuestenberg | 16 | Son | — | Iowa |
| 37 | Herbert Wuestenberg | 12 | Son | — | Iowa |
| 38 | Conrad Hesse | 67 | Head | Farmer | Iowa |
| 39 | Ella Hesse | 67 | Wife-H | — | Iowa |
| 40 | Lizzie Jacobsen | 63 | Head-H | — | Iowa |
| 41 | Randolph Jacobsen | 21 | Boarder | Teacher | Iowa |
| 42 | Frank Schroer | 43 | Head | Farmer | Iowa |
| 43 | Grace Schroer | 35 | Wife-H | — | Nebraska |
| 44 | Merlyn Schroer | 12 | Son | — | Iowa |
| 45 | Marilyn Schroer | 10 | Son | — | Iowa |
| 46 | Edwin Schroer | 4 | Son | — | Iowa |
| 47 | Lauren Schroer | 3 | Son | — | Iowa |
| 48 | Albert Runge | 34 | Head | Farmer | Iowa |
| 49 | Melinda Runge | 35 | Wife-H | — | Iowa |
| 50 | Alberta Runge | 11 | Daughter | — | Iowa |
Pedigree Summary
John + 1 sibling
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)