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James Mclaughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this James Mclaughlin across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 10-person household.
Age 15
b. ~1915
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | McLaughlin |
| Given Name | James M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 | ~1915 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Agnes Mclaughlin | Daughter | — | 11 | ~1919 |
| Lois Mclaughlin | Daughter | — | 4 | ~1926 |
| Katherine Mclaughlin | Daughter | — | 19 | ~1911 |
| Mary Mclaughlin | Daughter | — | 7 | ~1923 |
| Charles Mclaughlin | Head | — | 42 | ~1888 |
| Raymond Mclaughlin | Son | — | 8 | ~1922 |
| James Mclaughlin | Son | — | 15 | ~1915 |
| Donald Mclaughlin | Son | — | 1 | ~1929 |
| Charles Mclaughlin | Son | — | 13 | ~1917 |
| Bertha Mclaughlin | Spouse | — | 41 | ~1889 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1915 — 10 household members
| Surname | McLaughlin |
| Given Name | James M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 |
1940
Allegheny-County, Pennsylvania
Head, age 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Laughlin |
| Given Name | James M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | North Braddock |
| 1935 Residence (County) | Allegheny |
| Occupation | shipping clerk |
| Industry | sun & sky machine Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 350 |
| Highest Grade | No 8 |
| 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 James Mclaughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mclaughlin
Son · 1930 · age 15 · b. ~1915 · Pennsylvania
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Sibling
Charles Mclaughlin
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mclaughlin
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Mclaughlin
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Mclaughlin
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Mclaughlin
Sibling · 1930 · age 8
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
Lois Mclaughlin
Sibling · 1930 · age 4
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
27 people indexed on this census page (ia:1930:fifteenthcensus00reel1981:0334)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bert W Popp | 61 | Head | Laborer | Pennsylvania |
| 2 | Cecelia M Popp | 52 | Wife | None | Pennsylvania |
| 3 | Louis W Popp | 26 | Son | Time Keeper | Pennsylvania |
| 4 | Catherine Popp | 16 | Daughter | None | Pennsylvania |
| 5 | Margaret Popp | 74 | Sister | None | Pennsylvania |
| 6 | Frank Serafina | 24 | Head | Truck Driver | Pennsylvania |
| 7 | Elva Serafina | 21 | Wife | None | Pennsylvania |
| 8 | Richard Serafina | 1 | Son | None | Pennsylvania |
| 9 | Anna C Wolf | 70 | Head | None | Pennsylvania |
| 10 | Robert Geh | 85 | Head | None | Germany |
| 11 | Mathilda Geh | 82 | Wife | None | Germany |
| 12 | Anna Erisman | 52 | Head | Saleswoman | Pennsylvania |
| 13 | Elmer F Freund | 42 | Head | Checker | Pennsylvania |
| 14 | Minnie Freund | 41 | Wife | None | Pennsylvania |
| 15 | Dorothy Freund | 19 | Daughter | Book Keeper | Pennsylvania |
| 16 | Elmer N Freund | 16 | Son | Order Clerk | Pennsylvania |
| 17 | Mercedes Freund | 15 | Daughter | None | Pennsylvania |
| 18 | Charles A Mclaughlin | 42 | Head | Inspector | Pennsylvania |
| 19 | Bertha M Mclaughlin | 41 | Wife | None | Pennsylvania |
| 20 | Katherine C Mclaughlin | 19 | Daughter | Book Keeper | Pennsylvania |
| 21 | James M Mclaughlin THIS PERSON | 15 | Son | None | Pennsylvania |
| 22 | Charles A Mclaughlin | 13 | Son | None | Pennsylvania |
| 23 | Agnes Mclaughlin | 11 | Daughter | None | Pennsylvania |
| 24 | Raymond Mclaughlin | 8 | Son | None | Pennsylvania |
| 25 | Mary Mclaughlin | 7 | Daughter | None | Pennsylvania |
| 26 | Lois Mclaughlin | 4 | Daughter | None | Pennsylvania |
| 27 | Donald Mclaughlin | 1 | 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)