JD
John Decker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this John Decker across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 2-person household.
Age 76
b. ~1864
Male
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Decker |
| Given Name | John M. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown City |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Allentown City |
| Est. Birth Year | ~1864 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Decker | Head | — | 76 | ~1864 |
| Goldie Decker | Daughter | — | 42 | ~1898 |
Census Appearances
1920
Lehigh, Pennsylvania
Head, age 57
Lehigh, Pennsylvania · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Decker |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Head, age 65
Lehigh, Pennsylvania · implied b. ~1865 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Decker |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Machine shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Head, age 76
Lehigh-County, Pennsylvania · implied b. ~1864 — 2 household members
| Surname | Decker |
| Given Name | John M. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown City |
| 1935 Residence (County) | Lehigh |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Decker
Head · 1940 · age 76 · b. ~1864 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03543-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace Hoch | 16 | daughter | — | Pennsylvania |
| 2 | Curtis Hoch | 14 | son | — | Pennsylvania |
| 3 | Doris Hoch | 11 | daughter | — | Pennsylvania |
| 4 | Elaine Hoch | 8 | daughter | — | Pennsylvania |
| 5 | Clarence M. Kidd | 36 | head | Machinist | Pennsylvania |
| 6 | Helen I. Kidd | 32 | wife | — | Pennsylvania |
| 7 | Doris B. Kidd | 14 | daughter | — | Pennsylvania |
| 8 | Richard N. Kidd | 11 | son | — | Pennsylvania |
| 9 | Isabelle Kresge | 63 | mother-in-law | — | Pennsylvania |
| 10 | Henry Master | 73 | head | Maintenance Man | Pennsylvania |
| 11 | Paul Rock | 34 | son-in-law | Maintenance Worker | Pennsylvania |
| 12 | Edna B. Rock | 35 | daughter | — | Pennsylvania |
| 13 | Suzanne Rock | 5 | daughter | — | Pennsylvania |
| 14 | Paul Rock | 3 | son | — | Pennsylvania |
| 15 | Verna Weaver | 42 | lodger | Housekeeper | Pennsylvania |
| 16 | Harold Nagle | 50 | head | Bld Constr | Pennsylvania |
| 17 | Annie Nagle | 49 | wife | — | Pennsylvania |
| 18 | Nevin Nagle | 19 | son | Kitchen Help | Pennsylvania |
| 19 | Robert Nagle | 17 | son | Paper Boy | Pennsylvania |
| 20 | Verna Nagle | 15 | daughter | — | Pennsylvania |
| 21 | J. George Stecher | 40 | head | Machinist | Pennsylvania |
| 22 | Herma Stecher | 35 | wife | — | Pennsylvania |
| 23 | Ethel Stecher | 17 | daughter | — | Pennsylvania |
| 24 | Harold Stecher | 33 | brother | Driver Salesman | Pennsylvania |
| 25 | John Armanovich | 40 | lodger | Driver Salesman | Pennsylvania |
| 26 | Laura Glover | 62 | head | — | Pennsylvania |
| 27 | Stella Roth | 42 | daughter | — | Pennsylvania |
| 28 | Emily Roth | 30 | daughter | — | Pennsylvania |
| 29 | William Benz | 48 | head | Laborer | Pennsylvania |
| 30 | Sarah Benz | 38 | wife | Store Keeper | Pennsylvania |
| 31 | Elizabeth Weitzel | 19 | daughter | — | Pennsylvania |
| 32 | — | None | — | — | — |
| 33 | Anna M. Meister | 53 | head | Stenographer | Pennsylvania |
| 34 | Harry C. Meister | 53 | brother | — | Pennsylvania |
| 35 | Charles L. Meister | 51 | brother | Postal Clerk | Pennsylvania |
| 36 | Margaret K. Meister | 42 | sister | — | Pennsylvania |
| 37 | John M. Decker THIS PERSON | 76 | head | — | Pennsylvania |
| 38 | Goldie Decker | 42 | daughter | — | Pennsylvania |
| 39 | Jacob Cole | 62 | head | Head Dye Mixer | Pennsylvania |
| 40 | Gertie Cole | 63 | wife | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)