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John Bradford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Bradford across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Bradford |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Braddock Park |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Braddock Park |
| Est. Birth Year | ~1927 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Bradford | Son | — | 13 | ~1927 |
| Frank Bradford | Son | — | 18 | ~1922 |
| Leola Bradford | Daughter | — | 7 | ~1933 |
| Rebecca Bradford | Head | — | 50 | ~1890 |
| Harrison Bradford | Son | — | 25 | ~1915 |
| Mayme Bradford | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 3
Allegheny, Pennsylvania · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradford |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 13
Allegheny-County, Pennsylvania · implied b. ~1927 — 6 household members
| Surname | Bradford |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Braddock Park |
| 1935 Residence (County) | Allegheny |
| 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 Bradford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Bradford
Son · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Harrison Bradford
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leola Bradford
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Bradford
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mayme Bradford
Sibling · 1940 · age 19
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03399-00029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Nelson | 21 | Niece | Maid | Tennessee |
| 42 | Frank Brown | 38 | Boarder | Dier-Maker | Pennsylvania |
| 43 | Rebecca Bradford | 50 | Head | — | Alabama |
| 44 | Harrison Bradford | 25 | Son | Laborer | Alabama |
| 45 | Mayme Bradford | 19 | Daughter | Maid | Pennsylvania |
| 46 | Frank Bradford | 18 | Son | Helper | Pennsylvania |
| 47 | John Bradford THIS PERSON | 13 | Son | — | Pennsylvania |
| 48 | Leola Bradford | 7 | Daughter | — | Pennsylvania |
| 49 | Paul Kulka | 28 | Head | Machinist | Pennsylvania |
| 50 | Caroline Kulka | 25 | Wife | — | Pennsylvania |
| 51 | Carol Ann Kulka | 4 | Daughter | — | Pennsylvania |
| 52 | Patricia Kulka | 0 | Daughter | — | Pennsylvania |
| 53 | Mack Smith Bronson | 31 | Head | — | Montana |
| 54 | Hattie Bronson | 27 | Wife | — | Pennsylvania |
| 55 | Gladys Bronson | 10 | Daughter | — | Pennsylvania |
| 56 | Loretta Bronson | 7 | Daughter | — | Pennsylvania |
| 57 | George Konezic | 49 | Head | Laborer | Hungary |
| 58 | Fred Levitt | 39 | Head | Laborer | Georgia |
| 59 | Elizabeth Levitt | 34 | Wife | — | Georgia |
| 60 | Mary Catherine Levitt | 15 | Daughter | — | Georgia |
| 61 | Birdie Levitt | 9 | Daughter | — | Pennsylvania |
| 62 | Fred Levitt | 7 | Son | — | Pennsylvania |
| 63 | John Levitt | 5 | Son | — | Pennsylvania |
| 64 | Melvina Levitt | 2 | Daughter | — | Pennsylvania |
| 65 | Nathaniel Levitt | 0 | Son | — | Pennsylvania |
| 66 | Lumley Mygett | 47 | Head | Laborer | Virginia |
| 67 | Maggie Mygett | 46 | Wife | — | Virginia |
| 68 | Adam Pawlowski | 50 | Head | Rail-Driller | Poland |
| 69 | Ethel Pawlowski | 53 | Wife | — | Poland |
| 70 | Walter Pawlowski | 25 | Cousin | New Worker | Poland |
| 71 | Eva Beatina | 52 | Head | — | Austria |
| 72 | George Beatina | 19 | Son | Delivery Boy | Pennsylvania |
| 73 | Anna Beatina | 16 | Daughter | — | Pennsylvania |
| 74 | John Lenchar | 55 | Brother | Bartender | Austria |
| 75 | End Of | None | Indiana | — | — |
| 76 | Iney Hooker | 44 | Head | — | Virginia |
| 77 | Odessa Hooker | 20 | Daughter | Seamstress | North Carolina |
| 78 | Gertrude Hooker | 18 | Daughter | Worker | North Carolina |
| 79 | Sidney Hooker | 12 | Son | — | Pennsylvania |
| 80 | Hortense Hooker | 11 | Daughter | — | Pennsylvania |
Related Census Records
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)