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Mary Laughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Laughlin across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 5
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Laughlin |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | City Of Mckeesport |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Raymond Laughlin | Son | — | 1 | ~1929 |
| Mary Laughlin | Daughter | — | 5 | ~1925 |
| William Laughlin | Head | — | 42 | ~1888 |
| Blanche Laughlin | Daughter | — | 8 | ~1922 |
| Charles Laughlin | Son | — | 7 | ~1923 |
| Frank Laughlin | Son | — | 14 | ~1916 |
| Virginia Laughlin | Daughter | — | 15 | ~1915 |
| William Laughlin | Son | — | 9 | ~1921 |
| Jennie Laughlin | Other | — | 37 | ~1893 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1925 — 9 household members
| Surname | Laughlin |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 15
Allegheny-County, Pennsylvania · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | Margaret Anne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 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 Mary Laughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Laughlin
Daughter · 1930 · age 5 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Blanche Laughlin
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Laughlin
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Laughlin
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Laughlin
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Laughlin
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Laughlin
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1967:0353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Traeger | 11 | son | None | Pennsylvania |
| 2 | Naomi Traeger | 7 | daughter | None | Pennsylvania |
| 3 | Charles Traeger | 2 | son | None | Pennsylvania |
| 4 | William Laughlin | 42 | head | Crane Man | Pennsylvania |
| 5 | Jennie Laughlin | 37 | wife-H | None | Pennsylvania |
| 6 | Virginia Laughlin | 15 | daughter | None | Pennsylvania |
| 7 | Frank Laughlin | 14 | son | None | Pennsylvania |
| 8 | William Laughlin | 9 | son | None | Pennsylvania |
| 9 | Blanche Laughlin | 8 | daughter | None | Pennsylvania |
| 10 | Charles Laughlin | 7 | son | None | Pennsylvania |
| 11 | Mary Laughlin THIS PERSON | 5 | daughter | None | Pennsylvania |
| 12 | Raymond Laughlin | 1 | son | None | Pennsylvania |
| 13 | Paul Kustra | 43 | head | Blacksmith | Poland |
| 14 | Anna Kustra | 39 | wife-H | None | Poland |
| 15 | Bernice Kustra | 15 | daughter | None | Pennsylvania |
| 16 | Esther Kustra | 14 | daughter | None | Pennsylvania |
| 17 | Nellie Kustra | 12 | daughter | None | Pennsylvania |
| 18 | Olga Kustra | 10 | daughter | None | Pennsylvania |
| 19 | Harry Kustra | 5 | son | None | Pennsylvania |
| 20 | Jane Kustra | 3 | daughter | None | Pennsylvania |
| 21 | Nathan Kirkwood | 57 | head | Fire Man | Pennsylvania |
| 22 | Margaret Kirkwood | 54 | wife-H | None | Pennsylvania |
| 23 | Charles Kirkwood | 28 | son | Mill Worker | Pennsylvania |
| 24 | Effie Kirkwood | 23 | daughter | None | Pennsylvania |
| 25 | Norton Friedman | 27 | head | Tailoring | Ohio |
| 26 | Sara Friedman | 23 | wife-H | None | Pennsylvania |
| 27 | Gerald Friedman | 4 | son | None | Pennsylvania |
| 28 | Esther M. Friedman | 2 | daughter | None | Pennsylvania |
| 29 | William Foster | 29 | head | Truck Driver | Pennsylvania |
| 30 | Isabelle Foster | 25 | wife-H | None | Pennsylvania |
| 31 | Marion Foster | 6 | son | None | Pennsylvania |
| 32 | Harold Foster | 3 | son | None | Pennsylvania |
| 33 | Harry Foster | 1 | son | None | Pennsylvania |
| 34 | Michael Brody | 43 | head | Manager | Hungary |
| 35 | Mary Brody | 46 | wife-H | None | Austria |
| 36 | Mary Brody | 17 | daughter | None | Pennsylvania |
| 37 | William Brody | 16 | son | None | Pennsylvania |
| 38 | Helen Brody | 14 | daughter | None | Pennsylvania |
| 39 | Emma Brody | 11 | daughter | None | Pennsylvania |
| 40 | Johanna Brody | 9 | daughter | None | Pennsylvania |
| 41 | Clara Brody | 8 | daughter | None | Pennsylvania |
| 42 | Carl A. Brody | 7 | son | None | Pennsylvania |
| 43 | Lillian Brody | 5 | daughter | None | Pennsylvania |
| 44 | Hilda Brody | 2 | daughter | None | Pennsylvania |
| 45 | William G. Oliver | 54 | head | Carpenter | Pennsylvania |
| 46 | Nellie G. Oliver | 49 | wife-H | None | Pennsylvania |
| 47 | Lloyd Morrison | 22 | head | Railroad | Pennsylvania |
| 48 | Mary Morrison | 20 | wife-H | None | Pennsylvania |
| 49 | June Morrison | 1 | daughter | None | Pennsylvania |
| 50 | Nancy Morrison | 0 | daughter | None | 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)