JH
John Hansen — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cass, Iowa
Our Model Tree links this John Hansen across the 1910, 1920, 1930 and 1940 US Censuses in Cass, Iowa (XGBoost, ~Confirmed), with identified parents Henry & Ada — first a son (b.~1904), then head of a 9-person household.
Age 26
b. ~1904
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cass, Iowa |
| Surname | Hansen |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Bear Grove Township |
| Est. Birth Year | ~1904 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Zella Black | Daughter | — | ~1930 | |
| Elaine Black | Daughter | — | 5 | ~1925 |
| Donald Black | Head | — | 29 | ~1901 |
| Henry Hansen | Other | — | 59 | ~1871 |
| Ray Hansen | Son | — | 13 | ~1917 |
| John Hansen | Son | — | 26 | ~1904 |
| Walter Hansen | Son | — | 17 | ~1913 |
| Edna Black | Spouse | — | 25 | ~1905 |
| Seraphine Hansen | Spouse | — | 51 | ~1879 |
Census Appearances
1910
Cass, Iowa
Son, age 6
Cass, Iowa · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | John B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Cass, Iowa
Son, age 16
Cass, Iowa · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Helper |
| Industry | Home Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cass, Iowa
Son, age 26
Cass, Iowa · implied b. ~1904 — 9 household members
| Surname | Hansen |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cass-County, Iowa
Head, age 36
Cass-County, Iowa · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanssen |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Bear Grove Twp |
| 1935 Residence (County) | Cass |
| Occupation | Farm Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 55 |
| 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 Hansen across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Hansen (~0.92 confidence) and mother Ada Black (~0.54 confidence) and father John Black (~0.54 confidence) and mother Lulu Black (~0.54 confidence) and mother Gerhardine Hansen (~0.92 confidence) and mother Seraphine Hansen (~0.92 confidence) and mother Dora Hansen (~0.92 confidence) and father Donald Black (~0.60 confidence) and mother Edna Black (~0.50 confidence). The pedigree spans 2 generations with 9 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.71
Father
Henry Hansen
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ada Black
b. ~1876
Source father>mother
● Household
· direct · ~0.54
Father
John Black
b. ~1877
Source father>father
● Household
· direct · ~0.54
Mother
Lulu Black
b. ~1879
Source father>mother
● Household
· direct · ~0.54
Mother
Gerhardine Hansen
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Seraphine Hansen
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Dora Hansen
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Donald Black
b. ~1901
Source father
● Household
· direct · ~0.6
Mother
Edna Black
b. ~1905
Source mother
● Household
· direct · ~0.5
This person
Anchor record
John Hansen
Son · 1930 · age 26 · b. ~1904 · Iowa
★ You are viewing this record
Sibling
Ray Hansen
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Black
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Hansen
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zella Black
Sibling · 1930 · age
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 — Cass, Iowa
Open full size
1930 US Federal Census — Cass, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel646:0620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edwin Kunze | 36 | Head | Farmer | Iowa |
| 52 | Effie Kunze | 37 | Wife | None | Iowa |
| 53 | Thale Kunze | 14 | Son | None | Iowa |
| 54 | Edgar Kunze | 12 | Son | None | Iowa |
| 55 | Harlan Kunze | 8 | Son | None | Iowa |
| 56 | Marie Ellen Kunze | 2 | Daughter | None | Nebraska |
| 57 | Brick F. Ballentine | 59 | Head | Farmer | Ohio |
| 58 | Sarah Ballentine | 56 | Wife | None | Iowa |
| 59 | Claude Brindley | 31 | Servant | Laborer | Iowa |
| 60 | Henry Cron | 67 | Head | Farmer | France |
| 61 | Lena Cron | 59 | Wife | None | France |
| 62 | William Cron | 36 | Son | Farmer | Iowa |
| 63 | Mabel Cron | 27 | Daughter | None | Iowa |
| 64 | Charlie Dalak | 54 | Head | Farmer | Iowa |
| 65 | Artie Dalak | 49 | Wife | None | Iowa |
| 66 | Auster Clair Dalak | 18 | Son | None | Iowa |
| 67 | William Nitz | 55 | Head | Farmer | Illinois |
| 68 | Lillie Nitz | 52 | Wife | None | Germany |
| 69 | Clater Nitz | 27 | Son | Farm Laborer | Illinois |
| 70 | Gladys Nitz | 10 | Daughter | None | Iowa |
| 71 | Henry Stormer | 47 | Head | Farmer | Iowa |
| 72 | Elmer Stormer | 43 | Wife | None | Iowa |
| 73 | Mable Stormer | 17 | Daughter | None | Iowa |
| 74 | Lester Stormer | 14 | Son | None | Iowa |
| 75 | Donald Black | 29 | Head | Farmer | Iowa |
| 76 | Edna Black | 25 | Wife | None | Iowa |
| 77 | Elaine Black | 5 | Daughter | None | Iowa |
| 78 | Zella Black | 0 | Daughter | None | Iowa |
| 79 | Henry Hansen | 59 | O | Farmer | Germany |
| 80 | Seraphine Hansen | 51 | Wife | None | Germany |
| 81 | John B. Hansen THIS PERSON | 26 | Son | Farm Laborer | Iowa |
| 82 | Walter G. Hansen | 17 | Son | None | Iowa |
| 83 | Ray H. Hansen | 13 | Son | None | Iowa |
| 84 | Wm. Meyer | 41 | Head | Farmer | Iowa |
| 85 | Meta Meyer | 35 | Wife | None | Iowa |
| 86 | Wilma Meyer | 15 | Daughter | None | Iowa |
| 87 | Elmer Meyer | 14 | Son | None | Iowa |
| 88 | Bert Pond | 48 | Head | Farmer | Iowa |
| 89 | Laura Pond | 49 | Wife | None | Missouri |
| 90 | Ruby Pond | 14 | Daughter | None | Iowa |
| 91 | Henry Paulsen | 55 | Head | Farm Laborer | Germany |
| 92 | Orville Barnholdt | 35 | Head | Farmer | Iowa |
| 93 | Margaret Barnholdt | 28 | Wife | None | Iowa |
| 94 | Helen Barnholdt | 7 | Daughter | None | Iowa |
| 95 | Carl Barnholdt | 9 | Son | None | Iowa |
| 96 | Janice Barnholdt | 5 | Daughter | None | Iowa |
| 97 | Willis Miller | 55 | Head | Farmer | Iowa |
| 98 | Ronald Bills | 23 | Hired man | Farm Laborer | Iowa |
| 99 | Katherine Bills | 20 | Wife | None | Indiana |
| 100 | Dona Mae Bills | 0 | Daughter | None | Iowa |
Related Census Records
Pedigree Summary
John + 4 siblings
Gen 1 · 6 parents
~0.8
Gen 2 · 3 grandparents
~0.54
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)