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John Shaffer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marinette, Wisconsin
Our Model Tree links this John Shaffer across the 1930 and 1940 US Censuses in Marinette, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 8-person household.
Age 50
b. ~1880
Male
Head
Born: Yugoslavia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Marinette, Wisconsin |
| Surname | Shaffer |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Yugoslavia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 29 |
| Father's Birthplace | Yugoslavia |
| Mother's Birthplace | Yugoslavia |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Slovenian |
| Home Owned/Rented | O |
| Birth Country | Yugoslavia |
| Birthplace (normalized) | yugoslavia |
| Occupation | Farmer |
| Township / Ward | Stephenson |
| Est. Birth Year | ~1880 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eleanora Shaffer | Daughter | — | 4 | ~1926 |
| Ursula Shaffer | Spouse | — | 36 | ~1894 |
| Edward Shaffer | Son | — | 6 | ~1924 |
| Stella Shaffer | Daughter | — | 12 | ~1918 |
| Emma Shaffer | Daughter | — | 14 | ~1916 |
| John Shaffer | Son | — | 10 | ~1920 |
| George Ranger | Other | — | 38 | ~1892 |
| John Shaffer | Head | — | 50 | ~1880 |
Census Appearances
1930
Marinette, Wisconsin
Head, age 50
Marinette, Wisconsin · implied b. ~1880 — 8 household members
| Surname | Shaffer |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Yugoslavia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 29 |
| Father's Birthplace | Yugoslavia |
| Mother's Birthplace | Yugoslavia |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Slovenian |
| Home Owned/Rented | O |
| Birth Country | Yugoslavia |
| Birthplace (normalized) | yugoslavia |
1940
Marinette-County, Wisconsin
Head, age 60
Marinette-County, Wisconsin · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Yugoslavia |
| 1935 Residence (City) | Crivitz |
| 1935 Residence (County) | Marinette |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 99 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Yugoslavia |
| Birthplace (normalized) | yugoslavia |
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 Shaffer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Shaffer
Head · 1930 · age 50 · b. ~1880 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Marinette, Wisconsin
Open full size
1930 US Federal Census — Marinette, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2583unit:1083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Trygue Hansen | 41 | Head | Laborer | Norway |
| 52 | Karen Hansen | 42 | Wife | — | Norway |
| 53 | Thomas Hansen | 13 | Daughter | — | Wisconsin |
| 54 | Arthur Hansen | 11 | Son | — | Wisconsin |
| 55 | Edward Richlon | 52 | Head | Farmer | Minnesota |
| 56 | Amelia Richlon | 42 | Wife | — | Iowa |
| 57 | Herbert Richlon | 17 | Son | — | Wisconsin |
| 58 | Blossom Richlon | 16 | Son | Apprentice | Wisconsin |
| 59 | Levi Richlon | 13 | Son | — | Wisconsin |
| 60 | Mildred Richlon | 10 | Daughter | — | Wisconsin |
| 61 | Bernice Richlon | 9 | Daughter | — | Wisconsin |
| 62 | Pearl Richlon | 7 | Daughter | — | Wisconsin |
| 63 | Harold Richlon | 5 | Son | — | Wisconsin |
| 64 | Edward Richlon | 4 | Son | — | Wisconsin |
| 65 | Frank Richlon | 78 | Father | — | France |
| 66 | Mary Derdkiewicz | 55 | Head | Farmer | Poland |
| 67 | Andrew Derdkiewicz | 21 | Son | Farm Labor | Wisconsin |
| 68 | Helen Derdkiewicz | 16 | Daughter | — | Wisconsin |
| 69 | Tony Derdkiewicz | 15 | Son | — | Wisconsin |
| 70 | Fred Derdkiewicz | 13 | Son | — | Wisconsin |
| 71 | Rosie Derdkiewicz | 11 | Daughter | — | Wisconsin |
| 72 | Peter Vanderbloomer | 57 | Head | Farmer | Wisconsin |
| 73 | Mary Vanderbloomer | 53 | Wife | — | Norway |
| 74 | Walter Vanderbloomer | 21 | Son | Farm Labor | Wisconsin |
| 75 | Ralph Vanderbloomer | 16 | Son | — | Wisconsin |
| 76 | Mike Salach | 33 | Head | Farmer | Yugoslavia |
| 77 | Mary Salach | 56 | Mother | — | Yugoslavia |
| 78 | Angeline Salach | 16 | Niece | — | Pennsylvania |
| 79 | Emma Salach | 14 | Niece | — | Wisconsin |
| 80 | Tony Salach | 12 | Nephew | — | Michigan |
| 81 | Anna Salach | 10 | Niece | — | Michigan |
| 82 | Joseph Salach | 8 | Nephew | — | Michigan |
| 83 | Frank Samsa | 41 | Head | Farmer | Yugoslavia |
| 84 | Anna Samsa | 28 | Wife | — | Yugoslavia |
| 85 | Alma Samsa | 10 | Daughter | — | Wisconsin |
| 86 | Viola Samsa | 9 | Daughter | — | Wisconsin |
| 87 | Elizabeth Samsa | 7 | Daughter | — | Wisconsin |
| 88 | Frank Samsa | 6 | Son | — | Michigan |
| 89 | Charles Cornell | 64 | Head | Carpenter | Illinois |
| 90 | Levi Hughart | 58 | Head | Resort | Wisconsin |
| 91 | Bessie Hughart | 45 | Wife | — | Minnesota |
| 92 | John Shaffer THIS PERSON | 50 | Head | Farmer | Yugoslavia |
| 93 | Ursula Shaffer | 36 | Wife | — | Yugoslavia |
| 94 | Emma Shaffer | 14 | Daughter | — | Pennsylvania |
| 95 | Stella Shaffer | 12 | Daughter | — | Pennsylvania |
| 96 | John Shaffer | 10 | Son | — | Wisconsin |
| 97 | Edward Shaffer | 6 | Son | — | Wisconsin |
| 98 | Eleanora Shaffer | 4 | Daughter | — | Wisconsin |
| 99 | George Ranger | 38 | Boarder | — | Wisconsin |
| 100 | John Kudic | 44 | Head | Farmer | Yugoslavia |
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)