JG
John Gill — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Gill across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 12-person household.
Age 27
b. ~1903
Male
Son
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Gill |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | N Ireland |
| Mother's Birthplace | N Ireland |
| Additional Details | |
| Occupation | laborer |
| Industry | ship yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Laborer |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1903 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Gill | Son | — | 15 | ~1915 |
| Mary Gill | Daughter | — | 19 | ~1911 |
| Michael Brown | Other | — | 6 | ~1924 |
| Rose Brown | Daughter | — | 2 | ~1928 |
| Rose Gill | Other | — | 45 | ~1885 |
| Joseph Gill | Son | — | 10 | ~1920 |
| Harry Gill | Son | — | 16 | ~1914 |
| Catherine Brown | Daughter | — | 22 | ~1908 |
| Michael Gill | Son | — | 21 | ~1909 |
| John Gill | Son | — | 27 | ~1903 |
| Michael Gill | Head | — | 57 | ~1873 |
| Daniel Gill | Son | — | 12 | ~1918 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 27
Philadelphia, Pennsylvania · implied b. ~1903 — 12 household members
| Surname | Gill |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | N Ireland |
| Mother's Birthplace | N Ireland |
| Occupation | laborer |
| Industry | ship yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Other, age 37
Philadelphia-County, Pennsylvania · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Guille |
| Given Name | John |
| Relationship to Head | brother in law |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | electrician helper |
| Industry | Electrician |
| Class of Worker | PW |
| Hours Worked | 1 |
| Income (1939) | 88 |
| Highest Grade | H-4 |
| 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 Gill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Gill
Son · 1930 · age 27 · b. ~1903 · Pennsylvania
★ You are viewing this record
Sibling
Daniel Gill
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Gill
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Brown
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Brown
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Gill
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Gill
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Gill
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Gill
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:fifteenthcensus00reel2112:0708)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Delaney | 17 | son | Electrical Construction | Penna |
| 52 | Michael Gill | 57 | head | Brickmaker | N Ireland |
| 53 | Rose Gill | 45 | wife-H | None | N Ireland |
| 54 | John Gill THIS PERSON | 27 | son | Laborer | Penna |
| 55 | Michael Gill | 21 | son | Machinist | Penna |
| 56 | Mary Gill | 19 | daughter | Waitress | Penna |
| 57 | Harry Gill | 16 | son | Sorter | Penna |
| 58 | James Gill | 15 | son | None | Penna |
| 59 | Daniel Gill | 12 | son | None | Penna |
| 60 | Joseph Gill | 10 | son | None | Penna |
| 61 | Catherine Brown | 22 | daughter | None | Penna |
| 62 | Michael Brown | 6 | grandson | None | Penna |
| 63 | Rose M. Brown | 2 | daughter | None | Penna |
| 64 | John Sheeran | 53 | head | Helper | N Ireland |
| 65 | Mary Sheeran | 53 | wife-H | None | N Ireland |
| 66 | Thomas Sheeran | 18 | son | Clerk | Penna |
| 67 | Anna Sheeran | 15 | daughter | None | Penna |
| 68 | John Jr. Sheeran | 12 | son | None | Penna |
| 69 | James Mcnulty | 26 | lodger | Machinist | N Ireland |
| 70 | Mary C. Egan | 49 | head | None | N Ireland |
| 71 | Mary E. Egan | 23 | daughter | Saleslady | Penna |
| 72 | Michael J. Egan | 20 | son | Timekeeper | Penna |
| 73 | Gertrude Egan | 18 | daughter | Stenographer | Penna |
| 74 | James Egan | 16 | son | Messenger | Penna |
| 75 | John Egan | 9 | son | None | Penna |
| 76 | Howard Stevenson | 64 | head | Inspector | Penna |
| 77 | Martha R. Stevenson | 62 | wife-H | None | Penna |
| 78 | Amos P. Jenkins | 56 | head | Draftsman | Penna |
| 79 | William H. Jenkins | 52 | brother | Clerk | Penna |
| 80 | William Baker | 68 | head | Clerk | Penna |
| 81 | Ida Baker | 56 | wife-H | None | Penna |
| 82 | William Jr. Baker | 37 | son | Electrician | Penna |
| 83 | Albert Baker | 23 | son | Multigrapher | Penna |
| 84 | Gladys Baker | 12 | granddaughter | None | Penna |
| 85 | Julius Pauss | 68 | head | Operator | Penna |
| 86 | Sarah Pauss | 54 | wife-H | None | Penna |
| 87 | Arthur Rebola | 19 | step son | Salesman | Penna |
| 88 | Joseph Mcdonough | 45 | head | Laborer | Penna |
| 89 | Sue Mcdonough | 41 | wife-H | None | Penna |
| 90 | Thomas Mcdonough | 22 | son | Chauffeur | Penna |
| 91 | Joseph Mcdonough | 21 | son | Chauffeur | Penna |
| 92 | James Mcdonough | 20 | son | Machinist | Penna |
| 93 | Howard Mcdonough | 19 | son | Mixer | Penna |
| 94 | John Mcdonough | 17 | son | Machinist | Penna |
| 95 | Elizabeth Mcdonough | 15 | daughter | None | Penna |
| 96 | Eleanor Mcdonough | 13 | daughter | None | Penna |
| 97 | Paul Mcdonough | 9 | son | None | Penna |
| 98 | Mary Mcdonough | 8 | daughter | None | Penna |
| 99 | Dorothy Mcdonough | 6 | daughter | None | Penna |
| 100 | Robert Mcdonough | 3 | son | None | Penna |
Related Census Records
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)