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John John — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John John across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.
Age 62
b. ~1868
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | John |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 4350 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Ross Township |
| Est. Birth Year | ~1868 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John John | Head | — | 62 | ~1868 |
| Mary John | Other | — | 59 | ~1871 |
| Joseph John | Son | — | 36 | ~1894 |
Census Appearances
1910
Allegheny, Pennsylvania
Head, age 43
Allegheny, Pennsylvania · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johns |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Brick Yard |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 52
Allegheny, Pennsylvania · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | John |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Manager |
| Industry | Shoe Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 62
Allegheny, Pennsylvania · implied b. ~1868 — 3 household members
| Surname | John |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 4350 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 72
Allegheny-County, Pennsylvania · implied b. ~1868
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johns |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 John across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John John
Head · 1930 · age 62 · b. ~1868 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1990:0746)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank Reibel | 55 | Head | None | Pennsylvania |
| 52 | John Jr. Reibel | 28 | Son | None | Pennsylvania |
| 53 | Frank Wolf | 44 | Head | Carpenter | Pennsylvania |
| 54 | Anna Wolf | 40 | Wife-H | None | Pennsylvania |
| 55 | Frank Wolf | 16 | Son | None | Pennsylvania |
| 56 | John Beck | 33 | Head | Laborer | Germany |
| 57 | Anna Beck | 35 | Wife-H | None | Germany |
| 58 | James Beck | 11 | Son | None | Pennsylvania |
| 59 | Margaret Beck | 8 | Daughter | None | Pennsylvania |
| 60 | Frank Hartman | 50 | Head | Laborer | Pennsylvania |
| 61 | Helen Hartman | 46 | Wife-H | None | Pennsylvania |
| 62 | Dorothy Hartman | 16 | Daughter | None | Pennsylvania |
| 63 | John Hartman | 12 | Son | None | Pennsylvania |
| 64 | Robert Hartman | 10 | Son | None | Pennsylvania |
| 65 | Mary R. Thomas | 52 | Head-H | None | Pennsylvania |
| 66 | Herbert Thomas | 21 | Son | Laborer | Pennsylvania |
| 67 | Marshall Thomas | 24 | Son | Carpenter | Pennsylvania |
| 68 | John John THIS PERSON | 62 | Head | Laborer | Pennsylvania |
| 69 | Mary M. John | 59 | Wife-H | None | Pennsylvania |
| 70 | Joseph John | 36 | Son | Electrician | Pennsylvania |
| 71 | Samuel Dunlap | 47 | Head | Machinist | England |
| 72 | Margaret Dunlap | 45 | Wife-H | None | Pennsylvania |
| 73 | Alice Dunlap | 24 | Daughter | Stenographer | Pennsylvania |
| 74 | James Dunlap | 19 | Son | None | Pennsylvania |
| 75 | Lois Dunlap | 17 | Daughter | None | Pennsylvania |
| 76 | Lois Dunlap | 17 | Daughter | None | Pennsylvania |
| 77 | William Bayer | 72 | Head | None | Germany-Wurttemberg |
| 78 | Herman Bayer | 52 | Brother | None | Germany-Saxony |
| 79 | Hugo Hoppner | 51 | Head | Tool Maker | Germany-Saxony |
| 80 | Minnie Hoppner | 53 | Wife-H | None | Germany-Saxony |
| 81 | Hugo Jr. Hoppner | 22 | Son | Truck Driver | Pennsylvania |
| 82 | John Kussell | 54 | Head | Laborer | Germany-Baden |
| 83 | Julia Kussell | 43 | Wife-H | None | Pennsylvania |
| 84 | George P. Kussell | 13 | Son | None | Pennsylvania |
| 85 | Ruth M. Kussell | 8 | Daughter | None | Pennsylvania |
| 86 | Paul Kussell | 5 | Son | None | Pennsylvania |
| 87 | William W. Neals | 45 | Head | Stationary Engineer | Pennsylvania |
| 88 | Martha Neals | 37 | Wife-H | None | Pennsylvania |
| 89 | Martha Neals | 17 | Daughter | Clerk | Pennsylvania |
| 90 | Thelma Neals | 13 | Daughter | None | Pennsylvania |
| 91 | Fred Pfeiffer | 50 | Head | Agent | Germany-Wurttemberg |
| 92 | Elsie M. Pfeiffer | 42 | Wife-H | None | Germany-Wurttemberg |
| 93 | John F. Pfeiffer | 21 | Son | None | Pennsylvania |
| 94 | Anton Mader | 50 | Head | Stationary Engineer | Germany-Wurttemberg |
| 95 | Anna Mader | 52 | Wife-H | None | Germany-Wurttemberg |
| 96 | Catherine Mader | 23 | Daughter | Private Secretary | Pennsylvania |
| 97 | Lenora Mader | 18 | Daughter | None | Pennsylvania |
| 98 | Anna M. Mader | 16 | Daughter | None | Pennsylvania |
| 99 | Helen Mader | 14 | Daughter | None | Pennsylvania |
| 100 | Charles Wolfman | 27 | Head | Boss | Pennsylvania |
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)