JD
John Doran — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Doran across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 9
b. ~1921
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Doran |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Crafton Borough |
| Est. Birth Year | ~1921 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Doran | Head | — | 50 | ~1880 |
| George Doran | Son | — | 5 | ~1925 |
| James Doran | Son | — | 16 | ~1914 |
| Robert Doran | Son | — | 5 | ~1925 |
| Elizabeth Doran | Other | — | 75 | ~1855 |
| Emma Doran | Spouse | — | 45 | ~1885 |
| John Doran | Son | — | 9 | ~1921 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 9
Allegheny, Pennsylvania · implied b. ~1921 — 7 household members
| Surname | Doran |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 20
Allegheny-County, Pennsylvania · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Durian |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Tarentum borough |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Water Tank Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | Hs 4 |
| 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 Doran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Doran
Son · 1930 · age 9 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
Robert Doran
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Doran
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Doran
Sibling · 1930 · age 16
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
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:fifteenthcensus00reel1962:0571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Louise P Schutz | 57 | Wife | None | Pennsylvania |
| 52 | Edward P Schutz | 26 | Son | Estimator | Pennsylvania |
| 53 | Mary V Schutz | 21 | Daughter | None | Pennsylvania |
| 54 | Albert C Wallengel | 79 | Head | None | Pennsylvania |
| 55 | James G Wallengel | 53 | Son | Broker | Pennsylvania |
| 56 | Martin J Roeser | 54 | Head | Retail Merch. | Pennsylvania |
| 57 | Ernestine Roeser | 53 | Wife | None | Pennsylvania |
| 58 | Betty Roeser | 19 | Granddau | Shopping Service | Pennsylvania |
| 59 | Coleman Murphy | 45 | Head | Civil Eng. | Pennsylvania |
| 60 | Joan F Murphy | 44 | Wife | None | Pennsylvania |
| 61 | Coleman Jr Murphy | 22 | Son | None | Pennsylvania |
| 62 | Henry Fox | 71 | Father-in-law | None | Pennsylvania |
| 63 | Sterling H Troutman | 51 | Head | Special Agt | Indiana |
| 64 | May Troutman | 51 | Wife | None | Indiana |
| 65 | Milton N Heath | 50 | Head | Mach. Merchant | Ohio |
| 66 | Catherine R Heath | 49 | Wife | None | Ohio |
| 67 | Robert R Heath | 21 | Son | None | Pennsylvania |
| 68 | Anne Heath | 16 | Son | None | Pennsylvania |
| 69 | Richard M Heath | 10 | Son | None | Pennsylvania |
| 70 | John L Erbart | 66 | Head | Contractor | Pennsylvania |
| 71 | Grace Erbart | 60 | Wife | None | Pennsylvania |
| 72 | Chas H Erbart | 25 | Son | Carpenter | Pennsylvania |
| 73 | Gertrude Erbart | 18 | Daughter | None | Pennsylvania |
| 74 | James Doran | 50 | Head | Constr. Eng. | West Virginia |
| 75 | Emma Doran | 45 | Wife | None | New York |
| 76 | James Jr Doran | 16 | Son | None | Pennsylvania |
| 77 | John L Doran THIS PERSON | 9 | Son | None | Pennsylvania |
| 78 | George M Doran | 5 | Son | None | Pennsylvania |
| 79 | Robert Doran | 5 | Son | None | Pennsylvania |
| 80 | Elizabeth Doran | 75 | Mother-in-law | None | New York |
| 81 | Robert A Miller | 45 | Head | Brick Layer | Pennsylvania |
| 82 | Mary S Miller | 19 | Daughter | None | Pennsylvania |
| 83 | Robert A Jr Miller | 16 | Son | None | Pennsylvania |
| 84 | Ruth L Miller | 12 | Daughter | None | Pennsylvania |
| 85 | George D Miller | 9 | Son | None | Pennsylvania |
| 86 | Frank B Lee | 52 | Head | Dist. Mgr | Massachusetts |
| 87 | Marie F Lee | 52 | Wife | None | Pennsylvania |
| 88 | Nanette Lee | 74 | Mother | None | Massachusetts |
| 89 | Leroy Mcclintock | 55 | Head | None | Pennsylvania |
| 90 | Margaret Mcclintock | 51 | Wife | None | Pennsylvania |
| 91 | Marian E Mcclintock | 25 | Daughter | Demonstrator | Pennsylvania |
| 92 | Margaret B Mcclintock | 23 | Daughter | Stenog. | Pennsylvania |
| 93 | George L Mcclintock | 22 | Son | Clerk | Pennsylvania |
| 94 | Clarence R Mcclintock | 20 | Son | Messenger | Pennsylvania |
| 95 | Charles H Brandner | 56 | Head | Secretary | Pennsylvania |
| 96 | Nellie Brandner | 56 | Wife | None | Pennsylvania |
| 97 | Charles C Brandner | 28 | Son | Clerk | Pennsylvania |
| 98 | Adah E Brandner | 26 | Daughter | Secretary | Pennsylvania |
| 99 | Grace L Brandner | 19 | Daughter | None | Pennsylvania |
| 100 | Adalia S Siemon | 52 | Sis-in-law | Clerk | 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)