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John Carpenter — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Carpenter across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 4-person household.
Age 59
b. ~1871
Male
Head
Born: Pennsylvania
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Carpenter |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Foundryman |
| Industry | Steel mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Foundryman |
| Township / Ward | Tarentum Borough |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rose Carpenter | Daughter | — | 23 | ~1907 |
| John Carpenter | Head | — | 59 | ~1871 |
| Brills Carpenter | Other | — | 42 | ~1888 |
| Lida Carpenter | Other | — | 46 | ~1884 |
Census Appearances
1910
Allegheny, Pennsylvania
Head, age 37
Allegheny, Pennsylvania · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 5 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steel Works |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 48
Allegheny, Pennsylvania · implied b. ~1872 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| 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
Allegheny, Pennsylvania
Head, age 59
Allegheny, Pennsylvania · implied b. ~1871 — 4 household members
| Surname | Carpenter |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Foundryman |
| Industry | Steel mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| 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 Carpenter across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Carpenter
Head · 1930 · age 59 · b. ~1871 · 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:fifteenthcensus00reel1991:0970)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lialla H. Ornith | 68 | Head | — | Pennsylvania |
| 52 | John J. Carpenter THIS PERSON | 59 | Head | Foundryman | Pennsylvania |
| 53 | Lida B. Carpenter | 46 | Sister | — | Pennsylvania |
| 54 | Rose E. Carpenter | 23 | Daughter | Teacher | Pennsylvania |
| 55 | Brills Margery H. Carpenter | 42 | Lodger | — | Pennsylvania |
| 56 | Joseph Frank | 64 | Head | Auditor | Czechoslovakia |
| 57 | Frances Frank | 63 | Wife | — | Czechoslovakia |
| 58 | Felix Martin | 47 | Head | Janitor | Czechoslovakia |
| 59 | Louis F. Martin | 37 | Son | — | Pennsylvania |
| 60 | Joseph F. Martin | 17 | Son | — | Pennsylvania |
| 61 | Frances J. Martin | 16 | Daughter | — | Pennsylvania |
| 62 | Helen C. Martin | 13 | Daughter | — | Pennsylvania |
| 63 | William G. Martin | 11 | Son | — | Pennsylvania |
| 64 | Oliver J. Thompson | 59 | Head | Contractor | Pennsylvania |
| 65 | Agnes Thompson | 63 | Wife | — | Germany |
| 66 | Curtis Smith | 23 | Lodger | Glassworker | Pennsylvania |
| 67 | Luke Smith | 21 | Lodger | Laborer | Pennsylvania |
| 68 | Charles Zrenner | 66 | Head | Storekeeper | Germany |
| 69 | Marie H. Zrenner | 60 | Wife | — | Germany |
| 70 | Charles Shant | 45 | Lodger | Painter | Louisiana |
| 71 | David Jones | 40 | Head | Foreman | Wales |
| 72 | Edith H. Jones | 44 | Wife | — | Pennsylvania |
| 73 | Doris D. Jones | 11 | Daughter | — | Pennsylvania |
| 74 | Clarence S. Heidour | 37 | Head | Constable | Pennsylvania |
| 75 | Margaret M. Heidour | 37 | Wife | — | Pennsylvania |
| 76 | Margaret V. Heidour | 16 | Daughter | — | Pennsylvania |
| 77 | Marion D. Heidour | 12 | Daughter | — | Pennsylvania |
| 78 | Ernest F. Miller | 40 | Head | Machinist | Belgium |
| 79 | Joyce E. Miller | 31 | Wife | — | Pennsylvania |
| 80 | Agnes Craig | 56 | Mother-in-law | — | Pennsylvania |
| 81 | Walker H. Sr. Greig | 26 | Head | Filler | Pennsylvania |
| 82 | Carrie G. Greig | 22 | Wife | — | Pennsylvania |
| 83 | Walker H. Jr. Greig | 0 | Son | — | Pennsylvania |
| 84 | Joseph G. Brown | 56 | Head | Laborer | Pennsylvania |
| 85 | Annie A. Brown | 53 | Wife | — | Pennsylvania |
| 86 | Joseph E. Graff | 34 | Son-in-law | Salesman | Pennsylvania |
| 87 | Alma B. Graff | 23 | Daughter | — | Pennsylvania |
| 88 | Francis C. Costello | 46 | Lodger | Laborer | Pennsylvania |
| 89 | George H. Walter | 43 | Head | Moulder | Pennsylvania |
| 90 | Mary E. Walter | 40 | Wife | — | Pennsylvania |
| 91 | Ethel E. Walter | 22 | Daughter | Stenographer | Pennsylvania |
| 92 | Gladys M. Walter | 20 | Daughter | — | Pennsylvania |
| 93 | Margaret A. Walter | 17 | Daughter | — | Pennsylvania |
| 94 | David L. Walter | 15 | Son | — | Pennsylvania |
| 95 | Ernest Walter | 12 | Son | — | Pennsylvania |
| 96 | Thelma M. Walter | 9 | Daughter | — | Pennsylvania |
| 97 | Harold Walter | 5 | Son | — | Pennsylvania |
| 98 | Betty J. Walter | 1 | Daughter | — | Pennsylvania |
| 99 | Morris Green | 27 | Head | Contractor | New York |
| 100 | Beatrice Bowser | 48 | Servant | Housekeeper | 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)