JL
John Laughlin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Laughlin across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Sarah — first a head (b.~1900), then head of a 4-person household.
Age 30
b. ~1900
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Roll Turner |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Roll Turner |
| Township / Ward | West Homestead Borough |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Alan Laughlin | Son | — | 4 | ~1926 |
| Ruth Laughlin | Spouse | — | 28 | ~1902 |
| John Laughlin | Head | — | 30 | ~1900 |
| Mildred Laughlin | Daughter | — | 10 | ~1920 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 10
Allegheny, Pennsylvania · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 20
Allegheny, Pennsylvania · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Machine Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 30
Allegheny, Pennsylvania · implied b. ~1900 — 4 household members
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Roll Turner |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| 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 Laughlin across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father John Laughlin (~0.92 confidence) and mother Sarah Laughlin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Laughlin
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Sarah Laughlin
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Laughlin
Head · 1930 · age 30 · b. ~1900 · Pennsylvania
★ You are viewing this record
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:fifteenthcensus00reel1992:0586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Russell Conley | 24 | Head | Draftsman | Pennsylvania |
| 52 | Mabel Conley | 23 | Wife-H | — | Pennsylvania |
| 53 | Russell Conley | 2 | Son | — | Pennsylvania |
| 54 | Kenneth Conley | 1 | Son | — | Pennsylvania |
| 55 | Ruth Conley | 21 | Sister | Stenographer | Pennsylvania |
| 56 | Harry Carmel | 27 | Head | Laborer | Pennsylvania |
| 57 | Marcella Carmel | 21 | Wife-H | — | Maryland |
| 58 | Paul Carmel | 3 | Son | — | Pennsylvania |
| 59 | John Carney | 69 | Head | Carpenter | Pennsylvania |
| 60 | Annie Carney | 68 | Wife-H | — | Pennsylvania |
| 61 | Gilbert Carney | 30 | Son | Laborer | Pennsylvania |
| 62 | Jacob French | 62 | Head | Laborer | Maryland |
| 63 | Jennette French | 52 | Wife-H | — | Pennsylvania |
| 64 | Leona French | 32 | Daughter | Supervisor | Pennsylvania |
| 65 | Florence French | 22 | Daughter | Operator | Pennsylvania |
| 66 | Bernice French | 18 | Daughter | — | Pennsylvania |
| 67 | Margaret French | 6 | Daughter | — | Pennsylvania |
| 68 | Joseph Hostetter | 39 | Head | Painter | Pennsylvania |
| 69 | Clara Hostetter | 42 | Wife-H | — | Pennsylvania |
| 70 | Regis Hostetter | 10 | Son | — | Pennsylvania |
| 71 | Andrew Dwyer | 53 | Head | Freight Conductor | Ohio |
| 72 | Mary Dwyer | 43 | Wife-H | — | Ohio |
| 73 | Andrew Dwyer | 15 | Son | — | Pennsylvania |
| 74 | Kathleen Dwyer | 11 | Daughter | — | Pennsylvania |
| 75 | Marion Dwyer | 9 | Daughter | — | Pennsylvania |
| 76 | Frank Gibson | 41 | Head | Carpenter | Pennsylvania |
| 77 | Jessie Gibson | 46 | Wife-H | — | Pennsylvania |
| 78 | Francis Jr. Gibson | 13 | Son | — | Pennsylvania |
| 79 | Michael Tierney | 53 | Head | Machinist | Pennsylvania |
| 80 | Kate Tierney | 47 | Wife-H | — | Pennsylvania |
| 81 | Lawrence Tierney | 23 | Son | Salesman | Pennsylvania |
| 82 | Margaret Tierney | 17 | Daughter | — | Pennsylvania |
| 83 | Grant Hill | 26 | Head | Laborer | Pennsylvania |
| 84 | Lena Hill | 22 | Wife-H | — | Pennsylvania |
| 85 | Doris Hill | 4 | Daughter | — | Pennsylvania |
| 86 | Betty Hill | 2 | Daughter | — | Pennsylvania |
| 87 | Philip Kavanagh | 63 | Head | Watchman | Pennsylvania |
| 88 | Ellen Kavanagh | 59 | Wife-H | — | Pennsylvania |
| 89 | Robert Kavanagh | 22 | Son | Laborer | Pennsylvania |
| 90 | Thelma Kavanagh | 20 | Daughter | — | Pennsylvania |
| 91 | John Laughlin THIS PERSON | 30 | Head | Roll Turner | Pennsylvania |
| 92 | Ruth Laughlin | 28 | Wife | — | Pennsylvania |
| 93 | Mildred Laughlin | 10 | Daughter | — | Pennsylvania |
| 94 | Alan Laughlin | 4 | Son | — | Pennsylvania |
| 95 | James S. Phillips | 62 | Head | Laborer | Pennsylvania |
| 96 | Serena Phillips | 61 | Wife-H | Laborer | Pennsylvania |
| 97 | George Phillips | 25 | Son | — | Pennsylvania |
| 98 | Ann Phillips | 27 | Daughter | Laborer | Pennsylvania |
| 99 | Mildred Phillips | 9 | Daughter | — | Pennsylvania |
| 100 | James Pruitt | 27 | Head | Laborer | Pennsylvania |
Pedigree Summary
John
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)