JD
John Decker — 1920 US Census Record
Model Tree available1920 United States Federal Census · Douglas, Oregon
Our Model Tree links this John Decker across the 1900, 1910 and 1920 US Censuses in Douglas, Oregon (XGBoost, ~Confirmed), with identified parents Lewis & Lewis — first a son (b.~1871), then head of a 6-person household.
Age 49
b. ~1871
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Douglas, Oregon |
| Surname | Decker |
| Given Name | John T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Carpenter |
| Township / Ward | Coles Valley Precinct |
| 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| J Edwards | Other | — | 31 | ~1889 |
| Lois Edwards | Other | — | 7 | ~1913 |
| John Decker | Son | — | 49 | ~1871 |
| Agusta Hecker | Spouse | — | 59 | ~1861 |
| Elizabeth Edwards | Daughter | — | 30 | ~1890 |
| Lewis Hecker | Head | — | 75 | ~1845 |
Census Appearances
1900
Douglas, Oregon
Son, age 30
Douglas, Oregon · implied b. ~1870 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Decker |
| Given Name | John T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Apr |
| Birth Year | 1870 |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Douglas, Oregon
Son, age 39
Douglas, Oregon · implied b. ~1871 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Decker |
| Given Name | John T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | Carpenter |
| Industry | House Carpenter |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Douglas, Oregon
Son, age 49
Douglas, Oregon · implied b. ~1871 — 6 household members
| Surname | Decker |
| Given Name | John T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Decker across 3 US Census years (1900, 1910 and 1920) in Douglas, Oregon, using XGBoost record linkage. Identified parents: father Lewis Decker (~0.92 confidence) and father Lewis Hecker (~0.92 confidence) and mother Agusta Decker (~0.60 confidence) and mother Agusta Hecker (~0.60 confidence) and mother Patience Decker (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Father
Lewis Decker
b. ~1842
Source father
● Household
· direct · ~0.92
Father
Lewis Hecker
b. ~1845
Source father
● Household
· direct · ~0.92
Mother
Agusta Decker
b. ~1861
Source mother
● Household
· direct · ~0.6
Mother
Agusta Hecker
b. ~1861
Source mother
● Household
· direct · ~0.6
Mother
Patience Decker
b. ~1852
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Decker
Son · 1920 · age 49 · b. ~1871 · Oregon
★ You are viewing this record
Sibling
Elizabeth Edwards
Sibling · 1920 · age 30
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 — Douglas, Oregon
Open full size
1920 US Federal Census — Douglas, Oregon
Page Contents
42 people indexed on this census page (ia:1920:14thcensusofpopu1494unit:0119)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas G Winniford | 16 | Son | — | Oregon |
| 52 | Ralph Winniford | 13 | Son | — | Oregon |
| 53 | Belle Goodspeed | 76 | Mother | — | Wisconsin |
| 54 | William H Zeigler | 65 | Head | Farmer | Maryland |
| 55 | Nettie M Zeigler | 49 | Wife | — | Ohio |
| 56 | Charles E Kuper | 41 | Partner | Farmer | Ohio |
| 57 | Ida F Bhaton | 56 | Head | — | Germany |
| 58 | Anna Summits | 21 | Daughter | Teacher | Oregon |
| 59 | Walter W Ceatherswood | 37 | Head | Farmer | North Carolina |
| 60 | Fannie Ceatherswood | 37 | Wife | — | Tennessee |
| 61 | Gilbert W Ceatherswood | 2 | Son | — | Oregon |
| 62 | William R Vinson | 60 | Head | Farmer | Nebraska |
| 63 | Virinda Vinson | 56 | Wife | — | California |
| 64 | Phoebe Kitchell | 77 | Mother | — | Iowa |
| 65 | Carl Coleman | 22 | Hired Man | Laborer | Minnesota |
| 66 | Victor S Hunter | 30 | Hired Man | Laborer | Oregon |
| 67 | Lewis Hecker | 75 | Head | Farmer | Pennsylvania |
| 68 | Agusta Hecker | 59 | Wife | — | Illinois |
| 69 | J Roy Edwards | 31 | Son in Law | Laborer | Washington |
| 70 | Elizabeth Edwards | 30 | Daughter | — | Nebraska |
| 71 | Lois S Edwards | 7 | Granddaughter | — | Oregon |
| 72 | John T Decker THIS PERSON | 49 | Son | Carpenter | Illinois |
| 73 | Henry Paulson | 52 | Head | Farmer | Germany |
| 74 | Paulina Paulson | 52 | Wife | — | Germany |
| 75 | Frank Paulson | 20 | Son | Laborer | Minnesota |
| 76 | Herman Paulson | 14 | Son | — | Oregon |
| 77 | Anna M Song | 73 | Head | — | Germany |
| 78 | Grant Mcamas | 54 | Head | Farmer | Oregon |
| 79 | Elsie A Mcamas | 49 | Wife | — | Oregon |
| 80 | Edwin Mcamas | 20 | Son | Laborer | Oregon |
| 81 | Sula Mcamas | 19 | Daughter | — | Oregon |
| 82 | Eula Mcamas | 19 | Daughter | — | Oregon |
| 83 | Frank Mcamas | 17 | Son | — | Oregon |
| 84 | May Mcamas | 13 | Daughter | — | Oregon |
| 85 | William H Song | 43 | Head | Laborer | Oregon |
| 86 | Teresa Song | 25 | Wife | — | Illinois |
| 87 | Violet Song | 4 | Daughter | — | Oregon |
| 88 | Roy Song | 1 | Son | — | Oregon |
| 89 | Conrad C Song | 36 | Head | Farmer | Oregon |
| 90 | Mary E Song | 25 | Wife | — | Oregon |
| 91 | Ella M Song | 7 | Daughter | — | Oregon |
| 92 | Clifford Song | 0 | Son | — | Oregon |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.79
Max depth 4 (1900–1950 window)
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)