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John Schaffer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Clark, Washington
Our Model Tree links this John Schaffer across the 1930 and 1940 US Censuses in Clark, Washington (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 10-person household.
Age 20
b. ~1910
Male
Son
Born: North Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Clark, Washington |
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | South Russia |
| Mother's Birthplace | South Russia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Laborer |
| Township / Ward | Pioneer Precinct |
| Est. Birth Year | ~1910 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Schaffer | Son | — | 20 | ~1910 |
| Daniel Schaffer | Son | — | 12 | ~1918 |
| Albert Schaffer | Son | — | 10 | ~1920 |
| Freda Schaffer | Daughter | — | 13 | ~1917 |
| Arthur Schaffer | Son | — | 4 | ~1926 |
| Norton Schaffer | Son | — | 6 | ~1924 |
| Carolina Schaffer | Daughter | — | 16 | ~1914 |
| Wilamina Schaffer | Other | — | 43 | ~1887 |
| Lydia Schaffer | Daughter | — | 8 | ~1922 |
| John Schaffer | Head | — | 44 | ~1886 |
Census Appearances
1930
Clark, Washington
Son, age 20
Clark, Washington · implied b. ~1910 — 10 household members
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | South Russia |
| Mother's Birthplace | South Russia |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Clark-County, Washington
Son, age 26
Clark-County, Washington · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schafer |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Vancouver City |
| 1935 Residence (County) | Clark |
| Occupation | plowal worker |
| Industry | plywood manuf. |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 350 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 20 · b. ~1910 · Washington
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Sibling
Daniel Schaffer
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lydia Schaffer
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Schaffer
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Schaffer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norton Schaffer
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freda Schaffer
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carolina Schaffer
Sibling · 1930 · age 16
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 — Clark, Washington
Open full size
1930 US Federal Census — Clark, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2485unit:0678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilbur Tobey | 54 | Head | Farmer | Michigan |
| 2 | Leta Tobey | 46 | Wife-H | — | Washington |
| 3 | Albu Tobey | 14 | Daughter | — | Washington |
| 4 | Ruby Tobey | 13 | Daughter | — | Washington |
| 5 | Albert J. Roethe | 32 | Son-in-law | Manager | Oregon |
| 6 | Goldie Roethe | 23 | Daughter | — | Washington |
| 7 | Florine E. Roethe | 6 | Grand daughter | — | Washington |
| 8 | Robert H. Roethe | 4 | Grand son | — | Washington |
| 9 | Harry Timm | 43 | Head | Farmer | Iowa |
| 10 | Bertha Timm | 39 | Wife-H | — | Washington |
| 11 | Elmer Timm | 18 | Son | Laborer | Washington |
| 12 | Elsie Timm | 16 | Daughter | — | Washington |
| 13 | Helen Timm | 14 | Daughter | — | Washington |
| 14 | Jakob Bussal | 52 | Head | Farmer | Poland |
| 15 | Samuel Zimmerly | 24 | Head | Farmer | Washington |
| 16 | Helen Zimmerly | 21 | Wife-H | — | Colorado |
| 17 | Samuel Zimmerly | 1 | Son | — | Washington |
| 18 | Samuel Zimmerly | 54 | Head | Farmer | Switzerland |
| 19 | Ivy M. Zimmerly | 47 | Wife-H | — | Washington |
| 20 | Albert S. Zimmerly | 22 | Son | Mechanic | Washington |
| 21 | M. Ruth Zimmerly | 21 | Daughter | — | Washington |
| 22 | Fred M. Zimmerly | 19 | Son | Truck Driver | Washington |
| 23 | Robert M. Zimmerly | 16 | Son | — | Washington |
| 24 | Ralph W. Zimmerly | 12 | Son | — | Washington |
| 25 | John M. Schaffer | 44 | Head | Farmer | South Russia |
| 26 | Wilamina Schaffer | 43 | Wife-H | — | South Russia |
| 27 | John Schaffer THIS PERSON | 20 | Son | Laborer | North Dakota |
| 28 | Carolina Schaffer | 16 | Daughter | — | North Dakota |
| 29 | Freda Schaffer | 13 | Daughter | — | Idaho |
| 30 | Daniel Schaffer | 12 | Son | — | Idaho |
| 31 | Albert Schaffer | 10 | Son | — | Idaho |
| 32 | Lydia Schaffer | 8 | Daughter | — | Idaho |
| 33 | Norton Schaffer | 6 | Son | — | Idaho |
| 34 | Arthur Schaffer | 4 | Son | — | Washington |
| 35 | Herman Nilsen | 49 | Head | Farmer | Norway |
| 36 | Inger Nilsen | 50 | Wife-H | — | Norway |
| 37 | Frances Nilsen | 11 | Daughter | — | Montana |
| 38 | Earl Nilsen | 10 | Son-adopted | — | Montana |
| 39 | Ole Anderson | 38 | Head | Carpenter | South Dakota |
| 40 | Nancy A. Anderson | 30 | Wife-H | — | North Dakota |
| 41 | Eleanor Anderson | 8 | Daughter | — | Washington |
| 42 | Howard Anderson | 7 | Son | — | Washington |
| 43 | Melvin Anderson | 6 | Son | — | Washington |
| 44 | Walter Anderson | 5 | Son | — | Washington |
| 45 | Marcella Anderson | 3 | Daughter | — | Washington |
| 46 | Gordon Anderson | 1 | Son | — | Washington |
| 47 | Carl H. Lane | 47 | Head | Farmer | Michigan |
| 48 | Gussie L. Lane | 40 | Wife-H | — | Washington |
| 49 | Madge Lane | 9 | Daughter | — | Washington |
| 50 | Andrew T. Ostrom | 50 | Head | Farmer | Sweden |
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)