JG
John Gallagher — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Gallagher across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Alexandra & John — first a son (b.~1916), then head of a 7-person household.
Age 14
b. ~1916
Male
Son
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Gallagher |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Press Co Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Chauffeur |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Alice Gallagher | Daughter | — | 14 | ~1916 |
| John Gallagher | Head | — | 48 | ~1882 |
| Anna Cottman | Other | — | 48 | ~1882 |
| Ruth Cottman | Other | — | 11 | ~1919 |
| Edward Gallagher | Son | — | 15 | ~1915 |
| John Gallagher | Son | — | 14 | ~1916 |
| Alexandra Gallagher | Spouse | — | 50 | ~1880 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 48 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | John |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1930
Philadelphia, Pennsylvania
Son, age 14
Philadelphia, Pennsylvania · implied b. ~1916 — 7 household members
| Surname | Gallagher |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | Chauffeur |
| Industry | Press Co Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Other, age 24
Philadelphia-County, Pennsylvania · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | GALLAGER |
| Given Name | JOHN |
| Relationship to Head | BOARDER |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | PENNA |
| 1935 Residence (City) | S. PLACE |
| 1935 Residence (County) | PHILADELPHIA |
| Occupation | REPAIRER |
| Industry | BASKET FACTORY |
| Class of Worker | PW |
| Hours Worked | 50 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Alexandra Gallagher (~0.92 confidence) and father John Gallagher (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Alexandra Gallagher
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
John Gallagher
b. ~1882
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Gallagher
Son · 1930 · age 14 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Alice Gallagher
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Gallagher
Sibling · 1930 · age 15
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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2135:0329)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Grace Parkinson | 23 | Wife | None | Penna |
| 52 | Flora Parkinson | 5 | Daughter | None | Penna |
| 53 | Julius Zerr | 56 | Head | Mechanic | Hungary |
| 54 | Grace Zerr | 50 | Wife | None | Hungary |
| 55 | Valeria Zerr | 28 | Daughter | Clerk | Hungary |
| 56 | Julia Zerr | 20 | Daughter | Office Assistant | Penna |
| 57 | John Zerr | 18 | Son | Messenger | Penna |
| 58 | Arthur Mcgovern | 38 | Head | Chauffeur | Penna |
| 59 | Mary Mcgovern | 34 | Wife | None | Scotland |
| 60 | Mary Mcgovern | 11 | Daughter | None | Penna |
| 61 | Agnes Mcgovern | 6 | Daughter | None | Penna |
| 62 | John Mcgovern | 4 | Son | None | Penna |
| 63 | Charles Connell | 72 | Uncle | Caretaker | Penna |
| 64 | Johanna Connell | 73 | Aunt | None | Penna |
| 65 | John J Gallagher | 48 | Head | Boiler Maker | Penna |
| 66 | Alexandra Gallagher | 50 | Wife | None | Penna |
| 67 | Edward Gallagher | 15 | Son | None | Penna |
| 68 | John J Gallagher THIS PERSON | 14 | Son | Chauffeur | Penna |
| 69 | Alice V Gallagher | 14 | Daughter | None | Penna |
| 70 | Anna B Cottman | 48 | Lodger | None | Penna |
| 71 | Ruth Cottman | 11 | Lodger | None | Penna |
| 72 | Charles Hemmell | 79 | Head | Salesman | Penna |
| 73 | Margaret Hemmell | 57 | Wife | None | Penna |
| 74 | Margaret Hemmell | 17 | Daughter | None | Penna |
| 75 | Anton Schoenacht | 37 | Head | Ironworker | Germany |
| 76 | Pauline Schoenacht | 36 | Wife | None | Hungary |
| 77 | Mildred Schoenacht | 11 | Daughter | None | Penna |
| 78 | Anton Schoenacht | 8 | Son | None | Penna |
| 79 | Carl Forfert | 75 | Head | Cabinet Maker | Germany |
| 80 | Matilda M Forfert | 75 | Wife | None | Penna |
| 81 | James E Carter | 37 | Head | Weaver | Penna |
| 82 | Lily Carter | 33 | Wife | Toolmaker | North Carolina |
| 83 | William E Carter | 3 | Son | None | Penna |
| 84 | William Studer | 47 | Head | Painter | New York |
| 85 | Ruth Studer | 26 | Wife | None | Penna |
| 86 | Arthur Cooper | 37 | Lodger | Baker | Penna |
| 87 | Ida Cooper | 8 | Lodger | None | Penna |
| 88 | Stephen J Waller | 28 | Head | Salesman | Penna |
| 89 | Lillian Waller | 27 | Wife | None | Maryland |
| 90 | Stephen C Waller | 5 | Son | None | Penna |
| 91 | Robert H Waller | 4 | Son | None | Penna |
| 92 | William Mullen | 35 | Lodger | Metal Worker | Maryland |
| 93 | James P Devine | 33 | Head | Welder | Scotland |
| 94 | Mary Devine | 29 | Wife | None | Ireland |
| 95 | James P Devine | 5 | Son | None | Penna |
| 96 | Harry Uter | 29 | Head | Knitter | Penna |
| 97 | Jennie Uter | 24 | Wife | None | Poland |
| 98 | Walter Uter | 4 | Son | None | Penna |
| 99 | Walter N Staffer | 23 | Head | Knitter | Penna |
| 100 | Esther Staffer | 21 | Wife | None | Penna |
Pedigree Summary
John + 2 siblings
Gen 1 · 2 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)