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John Bradley — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Bradley across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Chas & James — first a head (b.~1904), then head of a 3-person household.
Age 26
b. ~1904
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Salesman |
| Industry | Meat Market |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Sharpsburg Borough |
| Est. Birth Year | ~1904 |
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 Bradley | Head | — | 26 | ~1904 |
| Mildred Bradley | Other | — | 26 | ~1904 |
| Bernard Bradley | Son | — | 2 | ~1928 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 26
Allegheny, Pennsylvania · implied b. ~1904 — 3 household members
| Surname | Bradley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesman |
| Industry | Meat Market |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| 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 Bradley across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Chas Bradley (~0.92 confidence) and father James Bradley (~0.92 confidence) and mother Jennie Bradley (~0.92 confidence) and mother Kate Bradley (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chas Bradley
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Bradley
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Jennie Bradley
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Kate Bradley
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Bradley
Head · 1930 · age 26 · b. ~1904 · Pennsylvania
★ You are viewing this record
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:fifteenthcensus00reel1990:0909)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William J. | 31 | Head | — | Pennsylvania |
| 52 | Grace | 1 | Daughter | — | Pennsylvania |
| 53 | Arthur L. Stein | 24 | Head | Salesman | Pennsylvania |
| 54 | Margaret H. Stein | 23 | Wife-H | — | Pennsylvania |
| 55 | Richard L. Stein | 1 | Son | — | Pennsylvania |
| 56 | Emma L. Stein | 61 | Mother | — | Pennsylvania |
| 57 | Elizabeth Meyers | 17 | Boarder | Cleaning | Pennsylvania |
| 58 | James E. Highan | 54 | Head | Laborer | Pennsylvania |
| 59 | Catherine Highan | 52 | Wife-H | — | Pennsylvania |
| 60 | Thomas L. Highan | 34 | Son | Clerk | Pennsylvania |
| 61 | Martha E. Highan | 20 | Daughter | — | Pennsylvania |
| 62 | Harrison Ellerbrock | 31 | Head | Janitor | Pennsylvania |
| 63 | Sara E. Ellerbrock | 29 | Wife-H | — | Michigan |
| 64 | Melinda Ellerbrock | 74 | Mother | — | Pennsylvania |
| 65 | John Bradley THIS PERSON | 26 | Head | Salesman | Pennsylvania |
| 66 | Mildred Bradley | 26 | Wife-H | — | Pennsylvania |
| 67 | Bernard Bradley | 2 | Son | — | Pennsylvania |
| 68 | Ernest Yarsha | 42 | Head | Trainman | Pennsylvania |
| 69 | Anne Yarsha | 31 | Wife-H | — | Pennsylvania |
| 70 | Willard R. Yarsha | 12 | Son | Laborer | Pennsylvania |
| 71 | Elizabeth J. Yarsha | 10 | Daughter | — | Pennsylvania |
| 72 | John Agnew | 24 | Head | Brakeman | Pennsylvania |
| 73 | Camilla V. Agnew | 20 | Wife-H | — | Pennsylvania |
| 74 | Constance Agnew | 1 | Daughter | — | Pennsylvania |
| 75 | Allen G. Davis | 21 | Head | Electrician | Pennsylvania |
| 76 | Lillian Davis | 20 | Wife-H | — | Pennsylvania |
| 77 | Ruth E. Davis | 1 | Daughter | — | Pennsylvania |
| 78 | Alice E. Davis | 0 | Daughter | — | Pennsylvania |
| 79 | Allen G. Davis | 10 | Son | — | Pennsylvania |
| 80 | Alice H. Davis | 8 | Son | — | Pennsylvania |
| 81 | David D. Davis | 60 | Head | Clerk | England |
| 82 | Minerva Davis | 62 | Wife-H | — | Pennsylvania |
| 83 | Jacob H. Nagel | 46 | Head | Butcher | Pennsylvania |
| 84 | Margaret Nagel | 42 | Wife-H | — | Pennsylvania |
| 85 | Catherine Nagel | 5 | Daughter | — | Pennsylvania |
| 86 | Mary Ginton | 40 | Boarder | Saleslady | Pennsylvania |
| 87 | William A. Shearer | 30 | Head | Brakeman | Pennsylvania |
| 88 | Margaret E. Shearer | 19 | Wife-H | — | Pennsylvania |
| 89 | William A. Shearer | 1 | Son | — | Pennsylvania |
| 90 | Stewart E. Clark | 39 | Head | Manager | Pennsylvania |
| 91 | Elsie E. Clark | 26 | Wife-H | — | Florida |
| 92 | Ella C. Clark | 1 | Daughter | — | Pennsylvania |
| 93 | Robert E. Campbell | 60 | Head | Undertaker | Pennsylvania |
| 94 | Anna M. Campbell | 56 | Wife-H | — | Pennsylvania |
| 95 | Alvin R. Campbell | 26 | Son | — | Pennsylvania |
| 96 | John P. Campbell | 85 | Father | — | Pennsylvania |
| 97 | Ely Heim | 36 | Head | Proprietor | Russia |
| 98 | Edith Heim | 35 | Wife-H | — | Russia |
| 99 | Max Heim | 12 | Son | — | New York |
| 100 | George L. Schroth | 32 | Head | Cleaner | Pennsylvania |
Pedigree Summary
John
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)