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John Schaffer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this John Schaffer across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 7-person household.
Age 16
b. ~1914
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Wrapper |
| Industry | Coat Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Wrapper |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1914 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Schaffer | Son | — | 13 | ~1917 |
| Mary Schaffer | Spouse | — | 47 | ~1883 |
| John Schaffer | Son | — | 16 | ~1914 |
| Henry Schaffer | Son | — | 8 | ~1922 |
| Henry Schaffer | Head | — | 53 | ~1877 |
| Roy Schaffer | Son | — | 10 | ~1920 |
| Idell Schaffer | Daughter | — | 18 | ~1912 |
Census Appearances
1930
St Louis, …
Son, age 16
St Louis, Missouri · implied b. ~1914 — 7 household members
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Wrapper |
| Industry | Coat Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Head, age 26
St.-Louis-County, Missouri · implied b. ~1914 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaefer |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Luxemburg |
| 1935 Residence (County) | St. Louis |
| Occupation | Coater operator |
| Industry | Canvas factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Schaffer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Schaffer
Son · 1930 · age 16 · b. ~1914 · Missouri
★ You are viewing this record
Sibling
Idell Schaffer
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Schaffer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Schaffer
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Schaffer
Sibling · 1930 · age 8
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 — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1230:0189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William A Gate | 33 | Head | Car Mechanic | Missouri |
| 52 | Leah L Gate | 37 | Wife | — | Illinois |
| 53 | Wannona Gate | 7 | Daughter | — | Missouri |
| 54 | William A Gate | 5 | Son | — | Missouri |
| 55 | Achile Cova | 48 | Head | Cook | Italy |
| 56 | Giannina Cova | 42 | Wife | — | Italy |
| 57 | Emil Cova | 17 | Son | Waiter | Italy |
| 58 | Angeline Cova | 12 | Daughter | — | Italy |
| 59 | Lanisic Penchas | 67 | Head | — | Switzerland |
| 60 | Louis Specht | 38 | Nephew | Machinist | New York |
| 61 | Evelyn Lang | 64 | Head | — | Indiana |
| 62 | Evelyn Lang | 28 | Daughter | Seed Worker | Missouri |
| 63 | Jerome Parker | 35 | Head | Janitress | Missouri |
| 64 | Sylvester Parker | 20 | Son | Runner | Missouri |
| 65 | Alice Parker | 22 | Daughter | Telegrapher | Illinois |
| 66 | Hayward Parker | 11 | Son | — | Missouri |
| 67 | Henry Bridenback | 52 | Head | Stock Man | Illinois |
| 68 | Blanch Bridenback | 44 | Wife | — | Illinois |
| 69 | Ethel Bridenback | 23 | Daughter | Waitress | Illinois |
| 70 | Gloria J Bridenback | 3 | Daughter | — | Missouri |
| 71 | Jess La Rue | 38 | Head | Laborer | Missouri |
| 72 | Lillian M La Rue | 33 | Wife | — | Missouri |
| 73 | Erma La Rue | 7 | Daughter | — | Missouri |
| 74 | Jacqueline La Rue | 5 | Daughter | — | Missouri |
| 75 | Henry Schaffer | 53 | Head | Laborer | Missouri |
| 76 | Mary Schaffer | 47 | Wife | — | Missouri |
| 77 | Idell Schaffer | 18 | Daughter | — | Missouri |
| 78 | John Schaffer THIS PERSON | 16 | Son | Wrapper | Missouri |
| 79 | Lawrence Schaffer | 13 | Son | — | Missouri |
| 80 | Roy Schaffer | 10 | Son | — | Missouri |
| 81 | Henry R Schaffer | 8 | Son | — | Missouri |
| 82 | John Buh | 67 | Head | Retainer | Illinois |
| 83 | Mary Buh | 63 | Wife | — | Iowa |
| 84 | John Jr Buh | 30 | Son | Porter | Illinois |
| 85 | Edward Gite | 16 | Grandson | Laborer | Missouri |
| 86 | Oscar Steuber | 32 | Head | Layer | Missouri |
| 87 | Lena Steuber | 63 | Mother | — | Missouri |
| 88 | Elsa Steuber | 22 | Wife | — | Missouri |
| 89 | Oscar Steuber | 1 | Son | — | Missouri |
| 90 | Herbert L Frank | 34 | Head | Chauffeur | Missouri |
| 91 | Lillian A Frank | 32 | Wife | — | Missouri |
| 92 | Warren J Frank | 9 | Son | — | Missouri |
| 93 | Barry Webb | 22 | Head | Baker | Illinois |
| 94 | Louise Webb | 22 | Wife | Presser | Missouri |
| 95 | Marvin Webb | 6 | Son | — | Missouri |
| 96 | Isis Webb | 4 | Daughter | — | Missouri |
| 97 | Barry Jr Webb | 1 | Son | — | Missouri |
| 98 | Frank Michenfelder | 40 | Head | Laborer | Missouri |
| 99 | Catherine Michenfelder | 45 | Wife | — | Missouri |
| 100 | Dorothy Patterson | 16 | Niece | — | Missouri |
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)