JG
John Gallagher — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this John Gallagher across the 1910, 1920 and 1930 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed), with identified parents John & Louis — first a son (b.~1902), then head of a 4-person household.
Age 28
b. ~1902
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cuyahoga, Ohio |
| Surname | Gallagher |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Car loading |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Superintendent |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Grace Hebert | Daughter | — | 23 | ~1907 |
| Louis Hebert | Head | — | 52 | ~1878 |
| John Gallagher | Son | — | 28 | ~1902 |
| Catherine Hebert | Spouse | — | 49 | ~1881 |
Census Appearances
1910
Cuyahoga, Ohio
Son, age 8
Cuyahoga, Ohio · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | John Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Cuyahoga, Ohio
Son, age 18
Cuyahoga, Ohio · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 28
Cuyahoga, Ohio · implied b. ~1902 — 4 household members
| Surname | Gallagher |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Superintendent |
| Industry | Car loading |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 (1910, 1920 and 1930) in Cuyahoga, Ohio, using XGBoost record linkage. Identified parents: father John Gallagher (~0.92 confidence) and father Louis Hebert (~0.92 confidence) and mother Margaret Gallagher (~0.92 confidence) and mother Catherine Gallagher (~0.92 confidence) and mother Catherine Hebert (~0.92 confidence) and father John Gallagher (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Gallagher
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Louis Hebert
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Margaret Gallagher
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Catherine Gallagher
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Catherine Hebert
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
John Gallagher
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Gallagher
Son · 1930 · age 28 · b. ~1902 · Ohio
★ You are viewing this record
Sibling
Grace Hebert
Sibling · 1930 · age 23
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 — Cuyahoga, Ohio
Open full size
1930 US Federal Census — Cuyahoga, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1763:0695)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William M Gill | 47 | Head | Meter Reader | Ohio |
| 52 | Mary F Gill | 45 | Wife | — | Ohio |
| 53 | William Jr. Gill | 17 | Son | — | Ohio |
| 54 | Michael Cole | 49 | Head | Assembler | England |
| 55 | Bridget Cole | 45 | Wife | — | England |
| 56 | Veronica Cole | 25 | Daughter | Typist | Ohio |
| 57 | Thomas Cole | 20 | Son | Page | Ohio |
| 58 | Hugh Cole | 15 | Son | Assembler | Ohio |
| 59 | Mildred Cole | 11 | Daughter | — | Ohio |
| 60 | Edward Cole | 4 | Son | — | Ohio |
| 61 | Joseph D Curley | 32 | Head | Buffer | Pennsylvania |
| 62 | Mary C Curley | 25 | Wife | — | Ohio |
| 63 | Joseph D Jr Curley | 3 | Son | — | Ohio |
| 64 | Bernard Curley | 1 | Son | — | Ohio |
| 65 | Patrick O'Donnell | 65 | Head | Labor | Irish Free State |
| 66 | Margaret O'Donnell | 57 | Wife | — | Ohio |
| 67 | Michael O'Donnell | 34 | Son | Brakeman | Ohio |
| 68 | Edward O'Donnell | 32 | Son | Salesman | Ohio |
| 69 | Peter O'Donnell | 24 | Son | Inspector | Ohio |
| 70 | Margaret Master | 6 | Grand Daughter | — | Ohio |
| 71 | Carl Santon | 55 | Boarder | Silver Man | Pennsylvania |
| 72 | Frank Graco | 41 | Head | Pick & Shovel | Italy |
| 73 | Anna Graco | 32 | Wife | — | Italy |
| 74 | Celia Graco | 13 | Daughter | — | Ohio |
| 75 | Ralph Graco | 12 | Son | — | Ohio |
| 76 | Rose Graco | 11 | Daughter | — | Ohio |
| 77 | Ernest Graco | 10 | Son | — | Ohio |
| 78 | Patsy Palmiere | 46 | Head | Pick & Shovel | Italy |
| 79 | Pearl Palmiere | 45 | Wife | — | Italy |
| 80 | Teresa Palmiere | 20 | Daughter | Operator | Ohio |
| 81 | Anna Palmiere | 17 | Daughter | Cutter | Ohio |
| 82 | Joseph Ariano | 53 | Boarder | Labor | Italy |
| 83 | Philip H Bova | 28 | Head | Policeman | Ohio |
| 84 | Helen Bova | 24 | Wife | — | Ohio |
| 85 | Phyllis Bova | 1 | Daughter | — | Ohio |
| 86 | Louis Hebert | 52 | Head | Labor | Ohio |
| 87 | Catherine Hebert | 49 | Wife | — | Ohio |
| 88 | John Gallagher THIS PERSON | 28 | Son | Superintendent | Ohio |
| 89 | Grace Hebert | 23 | Daughter | Operator | Ohio |
| 90 | Nick Boerue | 42 | Head | Secretary | Rumania |
| 91 | Mary Boerue | 34 | Wife | — | Rumania |
| 92 | Mary Boerue | 15 | Daughter | — | Ohio |
| 93 | Nick Boerue | 11 | Son | — | Ohio |
| 94 | Annie Boerue | 7 | Daughter | — | Ohio |
| 95 | Virginia Cozan | 17 | Niece | Clerk | Ohio |
| 96 | Mike Bell | 42 | Head | Riveter | Rumania |
| 97 | Mary Bell | 37 | Wife | — | Rumania |
| 98 | Rose Bell | 33 | Sister | Housekeeper | Rumania |
| 99 | Nick Largo | 33 | Roomer | Pick & Shovel | Rumania |
| 100 | Michael J Mcnulty | 29 | Head | Fireman | Pennsylvania |
Pedigree Summary
John + 1 sibling
Gen 1 · 6 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)