WM
William Mclaughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this William Mclaughlin across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 11-person household.
Age 14
b. ~1916
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | McLaughlin |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Katherine Mclaughlin | Daughter | — | 19 | ~1911 |
| Richard Mclaughlin | Son | — | 2 | ~1928 |
| Betty Mclaughlin | Daughter | — | 5 | ~1925 |
| George Mclaughlin | Son | — | 10 | ~1920 |
| John Mclaughlin | Son | — | 8 | ~1922 |
| Margaret Mclaughlin | Daughter | — | 7 | ~1923 |
| Mary Mclaughlin | Daughter | — | 15 | ~1915 |
| Christine Mclaughlin | Daughter | — | 12 | ~1918 |
| William Mclaughlin | Son | — | 14 | ~1916 |
| Irene Mclaughlin | Daughter | — | 17 | ~1913 |
| Irene Mclaughlin | Head | — | 38 | ~1892 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 3
Allegheny, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Laughlin |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 11 household members
| Surname | McLaughlin |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| 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 William Mclaughlin across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Mclaughlin
Son · 1930 · age 14 · b. ~1916 · Pennsylvania
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Sibling
Irene Mclaughlin
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mclaughlin
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mclaughlin
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Mclaughlin
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mclaughlin
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mclaughlin
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christine Mclaughlin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mclaughlin
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mclaughlin
Sibling · 1930 · age 7
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
20 people indexed on this census page (ia:1930:fifteenthcensus00reel1971:0352)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jean Lambert | 6 | niece | None | Pennsylvania |
| 52 | James Gerner | 35 | roomer | Laborer | Alabama |
| 53 | James Jr. Gerner | 10 | roomer | None | Pennsylvania |
| 54 | Cora Swaggert | 41 | roomer | Servant | Virginia |
| 55 | Rose Mrs. Hartle | 35 | Head | Housekeeper | Pennsylvania |
| 56 | Mildred Hartle | 14 | daughter | None | Pennsylvania |
| 57 | Jean Hartle | 9 | daughter | None | Pennsylvania |
| 58 | Lily Mclaughlin | 41 | sister | None | Pennsylvania |
| 59 | James R. Sims | 47 | roomer | Engineer | Pennsylvania |
| 60 | Irene Mclaughlin | 38 | Head | None | Pennsylvania |
| 61 | Katherine Mclaughlin | 19 | daughter | Waitress | Pennsylvania |
| 62 | Irene Mclaughlin | 17 | daughter | Waitress | Pennsylvania |
| 63 | Mary Mclaughlin | 15 | daughter | None | Pennsylvania |
| 64 | William Mclaughlin THIS PERSON | 14 | son | None | Pennsylvania |
| 65 | Christine Mclaughlin | 12 | daughter | None | Pennsylvania |
| 66 | George Mclaughlin | 10 | son | None | Pennsylvania |
| 67 | John Mclaughlin | 8 | son | None | Pennsylvania |
| 68 | Margaret Mclaughlin | 7 | daughter | None | Pennsylvania |
| 69 | Betty J. Mclaughlin | 5 | daughter | None | Pennsylvania |
| 70 | Richard Mclaughlin | 2 | son | 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)