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John Schaefer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this John Schaefer across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 5
b. ~1925
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Schaefer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Minnie Schaefer | Spouse | — | 61 | ~1869 |
| George Schaefer | Son | — | 21 | ~1909 |
| Maggie Schaefer | Daughter | — | 10 | ~1920 |
| Frank Schaefer | Son | — | 15 | ~1915 |
| John Schaefer | Son | — | 5 | ~1925 |
| William Schaefer | Son | — | 9 | ~1921 |
| Marie Schaefer | Daughter | — | 18 | ~1912 |
| Henry Schaefer | Head | — | 71 | ~1859 |
Census Appearances
1930
St Louis, …
Son, age 5
St Louis, Missouri · implied b. ~1925 — 8 household members
| Surname | Schaefer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 16
St.-Louis-City-County, Missouri · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaeffer |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| Hours Worked | 5 |
| Highest Grade | Hs 2 |
| 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 Schaefer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Schaefer
Son · 1930 · age 5 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
William Schaefer
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Schaefer
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Schaefer
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maggie Schaefer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Schaefer
Sibling · 1930 · age 15
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:missouricensus00reel1233:0365)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Pruger | 73 | Head | Service Man | Missouri |
| 2 | Emma Pruger | 73 | Wife | — | Missouri |
| 3 | Raymond Pruger | 43 | Son | — | Missouri |
| 4 | Bessie Pruger | 35 | Daughter | — | Missouri |
| 5 | Dorothy Pruger | 17 | Daughter | — | Missouri |
| 6 | Herbert Nelson Pruger | 17 | Grandson | Chauffeur | Missouri |
| 7 | Henry Schaefer | 71 | Head | Carpenter | Missouri |
| 8 | Minnie Schaefer | 61 | Wife | — | Missouri |
| 9 | George Schaefer | 21 | Son | Laborer | Missouri |
| 10 | Marie Schaefer | 18 | Daughter | — | Missouri |
| 11 | Frank Schaefer | 15 | Son | — | Missouri |
| 12 | Maggie Schaefer | 10 | Daughter | — | Missouri |
| 13 | William Schaefer | 9 | Son | — | Missouri |
| 14 | John Schaefer THIS PERSON | 5 | Son | — | Missouri |
| 15 | Margaret Donahue | 58 | Head | Cook | Missouri |
| 16 | George T. Hancock | 57 | Head | Electrician | Kentucky |
| 17 | Lessie Hancock | 55 | Wife | — | Kentucky |
| 18 | Charles Kratz | 59 | Head | Watchman | Germany |
| 19 | Bertha Kratz | 53 | Wife | — | Switzerland |
| 20 | Irene Buckner | 25 | Daughter | Saleslady | Missouri |
| 21 | Mary J. Buckner | 4 | Daughter | — | Missouri |
| 22 | George Appel | 51 | Head | — | Missouri |
| 23 | Lillian Appel | 52 | Wife | Saleslady | Missouri |
| 24 | Joseph F. Gatz | 41 | Head | — | Czechoslovakia |
| 25 | Anna Gatz | 25 | Wife | — | Missouri |
| 26 | William Gatz | 13 | Son | — | Missouri |
| 27 | Leo Lewis | 37 | Head | Pipe Fitter | Germany |
| 28 | Alice H. Lewis | 33 | Wife | — | Missouri |
| 29 | Leo F. Lewis | 15 | Son | Office Clerk | Missouri |
| 30 | Robert Lewis | 12 | Son | — | Missouri |
| 31 | Robert Kratz | 57 | Head | Freight Shipper | Missouri |
| 32 | Barbara Kratz | 54 | Wife | — | Germany |
| 33 | Emma Kratz | 27 | Daughter | — | Missouri |
| 34 | Frank Heitmann | 55 | Head | Traffic Agent | Germany |
| 35 | Emma Heitmann | 55 | Wife | — | Missouri |
| 36 | Margaret Heitmann | 22 | Daughter | — | Missouri |
| 37 | Ruth Heitmann | 14 | Daughter | — | Missouri |
| 38 | Paul F. Reinert | 38 | Head | Baker | Germany |
| 39 | Edward Muhm | 39 | Head | Carpenter | Germany |
| 40 | Helen Muhm | 37 | Wife | — | Missouri |
| 41 | Edward Jr. Muhm | 14 | Son | — | Missouri |
| 42 | Irene Muhm | 13 | Daughter | — | Missouri |
| 43 | Oscar Windemuller | 27 | Head | Engineer | Missouri |
| 44 | Marie Windemuller | 23 | Wife | — | Missouri |
| 45 | Herman Rapp | 39 | Head | Weighman | Missouri |
| 46 | Melinda Rapp | 35 | Wife | — | Missouri |
| 47 | Herman Jr. Rapp | 15 | Son | Clerk | Missouri |
| 48 | Dorothy Rapp | 13 | Daughter | — | Missouri |
| 49 | Arthur Rapp | 8 | Son | — | Missouri |
| 50 | Russell Rapp | 5 | Son | — | 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)