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John Schaffer — 1920 US Census Record
Linked across censuses1920 United States Federal Census · None, Maryland
Our Model Tree links this John Schaffer across the 1920 and 1930 US Censuses in Maryland (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 7-person household.
Age 49
b. ~1871
Male
Head
Born: Maryland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | None, Maryland |
| Surname | Schaffer |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Caulker |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Caulker |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1871 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Schaffer | Son | — | 16 | ~1904 |
| Charles Schaffer | Son | — | 9 | ~1911 |
| Henrietta Schaffer | Spouse | — | 48 | ~1872 |
| Harry Schaffer | Son | — | 11 | ~1909 |
| Christian Schaffer | Son | — | 20 | ~1900 |
| George Schaffer | Son | — | 14 | ~1906 |
| John Schaffer | Head | — | 49 | ~1871 |
Census Appearances
1920
None, Maryland
Head, age 49
None, Maryland · implied b. ~1871 — 7 household members
| Surname | Schaffer |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Caulker |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 59
Baltimore, Maryland · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schauffer |
| Given Name | John G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 26 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Shipping Clerk |
| Industry | Wholesale Groc. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 (1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Schaffer
Head · 1920 · age 49 · b. ~1871 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — None, Maryland
Open full size
1920 US Federal Census — None, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu657unit:0198)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Hannigan | 26 | Boarder | Salesman | Maryland |
| 2 | Cornelius Fowler | 0 | Boarder | — | Maryland |
| 3 | Matthew Burns | 40 | Head | Driver | Maryland |
| 4 | Barbara Burns | 36 | Wife | — | Maryland |
| 5 | Margaret R Burns | 16 | Daughter | — | Maryland |
| 6 | Irene Burns | 13 | Daughter | — | Maryland |
| 7 | Charles F Burns | 4 | Son | — | Maryland |
| 8 | Frank Schaumburg | 26 | Brother in law | Angelsmith | New York |
| 9 | Gertrude Schaumburg | 26 | Sister in law | — | Maryland |
| 10 | William Smith | 52 | Head | Watchman | Maryland |
| 11 | Louisa Smith | 34 | Wife | — | Maryland |
| 12 | Edward Hamilton | 22 | Boarder | Truckman | Maryland |
| 13 | George B Evans | 27 | Head | Foreman | Maryland |
| 14 | Ethel M Evans | 25 | Wife | — | Maryland |
| 15 | Lillian E Evans | 6 | Daughter | — | Maryland |
| 16 | Robert L Snyder | 37 | Head | Engineer | Maryland |
| 17 | Annie Snyder | 24 | Wife | — | Maryland |
| 18 | Robert H Snyder | 5 | Son | — | Maryland |
| 19 | Emma G Snyder | 3 | Daughter | — | Maryland |
| 20 | George Tradovec | 25 | Head | Press Feeder | Rhode Island |
| 21 | Henrietta Tradovec | 23 | Wife | — | Maryland |
| 22 | Margaret Tradovec | 3 | Daughter | — | Maryland |
| 23 | Katherine Tradovec | 1 | Daughter | — | Maryland |
| 24 | John H Schaffer THIS PERSON | 49 | Head | Caulker | Maryland |
| 25 | Henrietta Schaffer | 48 | Wife | — | Maryland |
| 26 | Christian Schaffer | 20 | Son | Printer | Maryland |
| 27 | John H Schaffer | 16 | Son | Office Clerk | Maryland |
| 28 | George F Schaffer | 14 | Son | — | Maryland |
| 29 | Harry W Schaffer | 11 | Son | — | Maryland |
| 30 | Charles F Schaffer | 9 | Son | — | Maryland |
| 31 | Annie E Miller | 64 | Head | — | Maryland |
| 32 | Mary A Beach | 32 | Daughter | — | Maryland |
| 33 | Arlie R Beach | 33 | Son in law | Conductor | Virginia |
| 34 | Oliver R Beach | 10 | Grand Son | — | Maryland |
| 35 | Eli A Neff | 41 | Head | Lithographer | Kansas |
| 36 | Katherine Neff | 26 | Wife | — | Maryland |
| 37 | Joseph Toshia | 68 | Head | Laborer | Italy |
| 38 | Antonia Toshia | 65 | Wife | — | Italy |
| 39 | Frank Toshia | 29 | Son | Foreman | Pennsylvania |
| 40 | Irma Toshia | 29 | Daughter in law | — | Ohio |
| 41 | Frank Toshia | 8 | Grand Son | — | Ohio |
| 42 | Joseph Toshia | 1 | Grand Son | — | Maryland |
| 43 | Sarah Harvey | 62 | Head | — | Maryland |
| 44 | Walter Harvey | 34 | Son | Conductor | Maryland |
| 45 | Joseph Harvey | 24 | Son | Clerk | Maryland |
| 46 | William Beever | 29 | Head | Laborer | Maryland |
| 47 | Annie Beever | 27 | Wife | — | Maryland |
| 48 | Isabel Beever | 7 | Daughter | — | Maryland |
| 49 | Dorothy Beever | 3 | Daughter | — | Maryland |
| 50 | William Beever | 2 | Son | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)