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John Schaffer — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Salt Lake, Utah
Our Model Tree links this John Schaffer across the 1920 and 1930 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 7-person household.
Age 5
b. ~1915
Male
Son
Born: Utah
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Salt Lake, Utah |
| Surname | Schaffer |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Additional Details | |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Granger Ward |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Harvey Schaffer | Son | — | 9 | ~1911 |
| Joseph Schaffer | Son | — | 3 | ~1917 |
| Elizabeth Schaffer | Spouse | — | 36 | ~1884 |
| John Schaffer | Son | — | 5 | ~1915 |
| Clifford Schaffer | Head | — | 41 | ~1879 |
| Liana Schaffer | Son | — | ~1920 | |
| Elizabeth Schaffer | Daughter | — | 7 | ~1913 |
Census Appearances
1920
Salt Lake, …
Son, age 5
Salt Lake, Utah · implied b. ~1915 — 7 household members
| Surname | Schaffer |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 15
Salt Lake, Utah · implied b. ~1915 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shafer |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Salt Lake, Utah, using XGBoost record linkage.
Show:
This person
Anchor record
John Schaffer
Son · 1920 · age 5 · b. ~1915 · Utah
★ You are viewing this record
Sibling
Joseph Schaffer
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Schaffer
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Liana Schaffer
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Schaffer
Sibling · 1920 · age 7
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
1920 US Federal Census — Salt Lake, Utah
Open full size
1920 US Federal Census — Salt Lake, Utah
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1864unit:0920)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas J. Mackay | 16 | Son | — | Utah |
| 2 | Katherine L. Mackay | 14 | Daughter | — | Utah |
| 3 | Mackay | None | — | — | — |
| 4 | Eugene Mackay | 34 | Head | Sheepman | Utah |
| 5 | Geneve Mackay | 35 | Wife | — | Utah |
| 6 | Lynn Mackay | 11 | Son | — | Utah |
| 7 | Verna Mackay | 9 | Daughter | — | Utah |
| 8 | Sterling Mackay | 8 | Son | — | Utah |
| 9 | Wayne Mackay | 3 | Son | — | Utah |
| 10 | John E. Mackay | 35 | Head | Line Repairman | Utah |
| 11 | Janet G. Mackay | 35 | Wife | — | Utah |
| 12 | John D. Mackay | 12 | Son | — | Utah |
| 13 | Neil I. Mackay | 9 | Son | — | Utah |
| 14 | Howard J. Mackay | 5 | Son | — | Utah |
| 15 | Franklin T. Mackay | 2 | Son | — | Utah |
| 16 | Dewey Mackay | 21 | Head | Clerk | Utah |
| 17 | Agnes Mackay | 20 | Wife | — | Utah |
| 18 | George Mackay | 44 | Head | Farmer | Utah |
| 19 | Isabelle Mackay | 25 | Wife | — | Utah |
| 20 | Marjorie Mackay | 4 | Daughter | — | Utah |
| 21 | Florence Mackay | 2 | Daughter | — | Utah |
| 22 | Lara Hodges | 51 | Head | — | Utah |
| 23 | Eilae R. Hodges | 24 | Daughter | Stenographer | Utah |
| 24 | Dorothy Hodges | 19 | Daughter | Stenographer | Utah |
| 25 | George H. Hodges | 12 | Son | — | Utah |
| 26 | Virginia Hodges | 9 | Daughter | — | Utah |
| 27 | Joseph Ratzloff | 55 | Head | Laborer | Germany |
| 28 | Jessie Ratzloff | 53 | Wife | — | Germany |
| 29 | Clifford Schaffer | 41 | Head | Laborer | Utah |
| 30 | Elizabeth Schaffer | 36 | Wife | — | Utah |
| 31 | Harvey A. Schaffer | 9 | Son | — | Utah |
| 32 | Elizabeth Schaffer | 7 | Daughter | — | Utah |
| 33 | John A. Schaffer THIS PERSON | 5 | Son | — | Utah |
| 34 | Joseph R. Schaffer | 3 | Son | — | Utah |
| 35 | Liana M. Schaffer | 0 | Son | — | Utah |
| 36 | Arthur Lister | 36 | Head | Chauffeur | New York |
| 37 | Anna Lister | 32 | Wife | — | Kansas |
| 38 | Leo Lister | 10 | Son | — | Colorado |
| 39 | Willard Lister | 7 | Son | — | Colorado |
| 40 | Melvin Lister | 3 | Son | — | Colorado |
| 41 | Robert Lister | 0 | Son | — | Utah |
| 42 | Orson Mackay | 36 | Head | Sheepman | Utah |
| 43 | Hazel Mackay | 34 | Wife | — | Utah |
| 44 | E. Mark Mackay | 4 | Son | — | Utah |
| 45 | Hazel B. Mackay | 3 | Daughter | — | Utah |
| 46 | Daniel E. Mackay | 2 | Son | — | Utah |
| 47 | Earl Mackay | 0 | Son | — | Utah |
| 48 | Edna M. Murphy | 8 | Sister | — | Utah |
| 49 | John Holmquist | 51 | Head | Farmer | Utah |
| 50 | Nancy Holmquist | 42 | Wife | — | Utah |
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)