JL
John Laughlin — 1930 US Census Record
Linked across censuses1930 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) — first a head (b.~1859), then head of a 5-person household.
Age 71
b. ~1859
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 | 71 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Town Of Pittsburgh City |
| Est. Birth Year | ~1859 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Melva Funda | Other | — | 25 | ~1905 |
| Mary Laughlin | Spouse | — | 59 | ~1871 |
| Lawrence Laughlin | Son | — | 30 | ~1900 |
| John Laughlin | Head | — | 71 | ~1859 |
| Andrew Funda | Other | — | 35 | ~1895 |
Census Appearances
1910
Allegheny, Pennsylvania
Head, age 54
Allegheny, Pennsylvania · implied b. ~1856 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 31 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Miner |
| Industry | Coal |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 63
Allegheny, Pennsylvania · implied b. ~1857 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Miner |
| Industry | Mines |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Year of Naturalization | F |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 71
Allegheny, Pennsylvania · implied b. ~1859 — 5 household members
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| 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.
Show:
This person
Anchor record
John Laughlin
Head · 1930 · age 71 · b. ~1859 · Pennsylvania
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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:fifteenthcensus00reel1980:0457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alex Bouchwalski | 17 | Son | — | Pennsylvania |
| 52 | Albert J Smith | 58 | Head | Laborer | Pennsylvania |
| 53 | Matilda Smith | 53 | Wife | Janitress | Pennsylvania |
| 54 | Mary Smith | 15 | Daughter | — | Pennsylvania |
| 55 | Albert Smith | 11 | Son | — | Pennsylvania |
| 56 | William Caldwell | 31 | Head | Laborer | Pennsylvania |
| 57 | Isabella Caldwell | 27 | Wife | — | Pennsylvania |
| 58 | William Caldwell | 7 | Son | — | Pennsylvania |
| 59 | Joseph Brett | 75 | Father | Retired | Pennsylvania |
| 60 | Monty Komal | 55 | Head | — | Poland |
| 61 | Joseph Grzegorzewski | 24 | Head | Laborer | Pennsylvania |
| 62 | Margaret Grzegorzewski | 22 | Wife | — | Pennsylvania |
| 63 | Andrew Zaloziejak | 56 | Head | Laborer | Poland |
| 64 | Annie Zaloziejak | 55 | Wife | — | Poland |
| 65 | Joseph Zaloziejak | 33 | Son | Laborer | Poland |
| 66 | Henry Zaloziejak | 30 | Son | Laborer | Poland |
| 67 | Louise Zaloziejak | 23 | Daughter | Steno | Pennsylvania |
| 68 | Isabelle Zaloziejak | 18 | Daughter | Laborer | Pennsylvania |
| 69 | Gertrude Zaloziejak | 17 | Daughter | — | Pennsylvania |
| 70 | Elizabeth Zaloziejak | 13 | Daughter | — | Pennsylvania |
| 71 | Frank Szalla | 51 | Head | — | Poland |
| 72 | Mary Szalla | 46 | Wife | — | Poland |
| 73 | Frank Jr Szalla | 17 | Son | — | Pennsylvania |
| 74 | Sylvester Kasinski | 27 | Lodger | Laborer | Pennsylvania |
| 75 | Charles Nedosik | 35 | Head | Laborer | Pennsylvania |
| 76 | Virginia Nedosik | 26 | Wife | — | Pennsylvania |
| 77 | Casimer Nedosik | 9 | Son | — | Pennsylvania |
| 78 | Winifred Nedosik | 7 | Daughter | — | Pennsylvania |
| 79 | John Sroka | 50 | Head | — | Pennsylvania |
| 80 | Anna Sroka | 48 | Wife | — | Pennsylvania |
| 81 | Edward Melanick | 33 | Head | — | Pennsylvania |
| 82 | Christine Melanick | 27 | Wife | — | Pennsylvania |
| 83 | Edward Jr Melanick | 8 | Son | — | Pennsylvania |
| 84 | Sylvester Melanick | 6 | Son | — | Pennsylvania |
| 85 | Elizabeth Anara | 53 | Head | — | Germany |
| 86 | John Anara | 28 | Son | Laborer | Pennsylvania |
| 87 | Charles Anara | 21 | Son | Laborer | Germany |
| 88 | Joseph Anara | 19 | Son | Clerk | Germany |
| 89 | Elizabeth Anara | 16 | Daughter | Helper | Pennsylvania |
| 90 | Albert Anara | 12 | Son | — | Pennsylvania |
| 91 | William Mcdermott | 54 | Head | Laborer | Pennsylvania |
| 92 | Anna Mcdermott | 51 | Wife | — | Pennsylvania |
| 93 | Anna Marie Mcdermott | 11 | Daughter | — | Pennsylvania |
| 94 | Rita Mcdermott | 9 | Daughter | — | Pennsylvania |
| 95 | Bridget Ryan | 79 | Lodger | — | England |
| 96 | John Laughlin THIS PERSON | 71 | Head | Laborer | Pennsylvania |
| 97 | Mary Laughlin | 59 | Wife | — | Pennsylvania |
| 98 | Lawrence Laughlin | 30 | Son | — | Pennsylvania |
| 99 | Melva Funda | 25 | Lodger | Helper | Pennsylvania |
| 100 | Andrew Funda | 35 | Lodger | Laborer | 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)