JL
John Lowry — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Lowry across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 3
b. ~1927
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Lowry |
| Given Name | John R |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Nellie Lowry | Daughter | — | 6 | ~1924 |
| Thomas Lowry | Head | — | 28 | ~1902 |
| Thomas Lowry | Son | — | 12 | ~1918 |
| Betty Lowry | Daughter | — | 8 | ~1922 |
| Margaret Lowry | Daughter | — | 10 | ~1920 |
| John Lowry | Son | — | 3 | ~1927 |
| Margaret Lowry | Spouse | — | 25 | ~1905 |
| George Lowry | Son | — | 5 | ~1925 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 3
Allegheny, Pennsylvania · implied b. ~1927 — 8 household members
| Surname | Lowry |
| Given Name | John R |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 13
Allegheny-County, Pennsylvania · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lowrey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | 8 |
| 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 Lowry across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lowry
Son · 1930 · age 3 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Lowry
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Lowry
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Lowry
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lowry
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Lowry
Sibling · 1930 · age 5
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:fifteenthcensus00reel1977:0900)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret E Pruitt | 21 | daughter | — | Pennsylvania |
| 52 | Floyd L Pruitt | 53 | lodger | Laborer | Illinois |
| 53 | Mabel E Pruitt | 54 | lodger | — | Illinois |
| 54 | William L Briggs | 52 | Head | Loco Engineer | Ohio |
| 55 | Artie R Briggs | 52 | Wife | — | Ohio |
| 56 | George W Thomas | 41 | Head | Civil Engineer | Pennsylvania |
| 57 | Adeline H Thomas | 41 | Wife | — | Illinois |
| 58 | Dorothy A Thomas | 11 | daughter | — | Pennsylvania |
| 59 | William H Morris | 32 | Head | Sales Manager | Michigan |
| 60 | Edna M Morris | 32 | Wife | — | Michigan |
| 61 | William H Jr Morris | 5 | son | — | Michigan |
| 62 | Nora Parker | 28 | Maid | Housework | Virginia |
| 63 | Hugh D Mckeever | 30 | Head | Sales Engineer | Illinois |
| 64 | Olga B Mckeever | 26 | Wife | — | Massachusetts |
| 65 | Olga J Mckeever | 1 | daughter | — | Massachusetts |
| 66 | Charles F Story | 40 | Head | Electrical Engineer | Pennsylvania |
| 67 | Agnes R Story | 40 | Wife | — | Illinois |
| 68 | Campbell Q Story | 17 | son | — | New Jersey |
| 69 | Robert R Story | 7 | son | — | Pennsylvania |
| 70 | George F J Briney | 33 | Head | Dentist | Pennsylvania |
| 71 | Edith Mary S Briney | 34 | Wife | — | Ohio |
| 72 | Allan S Briney | 8 | son | — | Pennsylvania |
| 73 | Richard L Briney | 6 | son | — | Pennsylvania |
| 74 | Arden L Briney | 1 | daughter | — | Pennsylvania |
| 75 | Sarah B Hagmaier | 19 | Maid | Housework | Northern Ireland |
| 76 | Clara P Aikenhead | 50 | Head | Traffic Manager | Pennsylvania |
| 77 | Marion P Aikenhead | 20 | daughter | — | Michigan |
| 78 | Robert C Aikenhead | 3 | son | — | Michigan |
| 79 | Mary Rodenbaugh | 69 | Mother-in-law | — | Ohio |
| 80 | Thomas B Lowry | 28 | Head | Agent | Pennsylvania |
| 81 | Margaret M Lowry | 25 | Wife | — | Pennsylvania |
| 82 | Thomas B Jr Lowry | 12 | son | — | Pennsylvania |
| 83 | Margaret Ann Lowry | 10 | daughter | — | Pennsylvania |
| 84 | Betty Jane Lowry | 8 | daughter | — | Pennsylvania |
| 85 | Nellie J Lowry | 6 | daughter | — | Pennsylvania |
| 86 | George M Lowry | 5 | son | — | Pennsylvania |
| 87 | John R Lowry THIS PERSON | 3 | son | — | Pennsylvania |
| 88 | Edward C Bartels | 46 | Head | Cashier | Pennsylvania |
| 89 | Emma E Bartels | 47 | Wife | — | Pennsylvania |
| 90 | H. Lee Briney | 39 | Head | Dentist | Pennsylvania |
| 91 | Marion S Briney | 37 | Wife | — | Pennsylvania |
| 92 | Marion L Briney | 10 | daughter | — | Pennsylvania |
| 93 | Dorothy Lee Briney | 8 | daughter | — | Pennsylvania |
| 94 | Anna Best | 16 | Maid | Housework | Pennsylvania |
| 95 | Charles A Taylor | 41 | Head | Structural Engineer | Pennsylvania |
| 96 | Helen D Taylor | 40 | Wife | — | Pennsylvania |
| 97 | Jean Taylor | 4 | daughter | — | Pennsylvania |
| 98 | James J Murray | 47 | Head | Office Clerk | Pennsylvania |
| 99 | Jane A Murray | 43 | Wife | — | Pennsylvania |
| 100 | James H Murray | 20 | son | Office 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)