JL
James Laughlin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lawrence-County, Pennsylvania
Our Model Tree links this James Laughlin across the 1920, 1930 and 1940 US Censuses in Lawrence-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Catherine & Catherine — first a son (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Son
Born: OHIO
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Pennsylvania |
| Surname | LAUGHLIN |
| Given Name | JAMES J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | OHIO |
| 1935 Residence (City) | Ellwood City Boro |
| 1935 Residence (County) | LAWRENCE |
| Additional Details | |
| Occupation | CLERK |
| Industry | Tube Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2300 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Clerk |
| Township / Ward | Ellwood City Boro |
| Est. Birth Year | ~1910 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Devene Laughlin | Son | — | 23 | ~1917 |
| James Laughlin | Son | — | 30 | ~1910 |
| Abraham Daniel | Other | — | 73 | ~1867 |
| Catherine Laughlin | Head | — | 56 | ~1884 |
| Joseph Laughlin | Son | — | 33 | ~1907 |
Census Appearances
1920
Beaver, Pennsylvania
Son, age 10
Beaver, Pennsylvania · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lawrence, Pennsylvania
Son, age 20
Lawrence, Pennsylvania · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Millworker |
| Industry | Tube Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lawrence-County, Pennsylvania
Son, age 30
Lawrence-County, Pennsylvania · implied b. ~1910 — 5 household members
| Surname | LAUGHLIN |
| Given Name | JAMES J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | OHIO |
| 1935 Residence (City) | Ellwood City Boro |
| 1935 Residence (County) | LAWRENCE |
| Occupation | CLERK |
| Industry | Tube Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2300 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Laughlin across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Catherine Laughlin (~0.92 confidence) and mother Catherine Laughlin (~0.92 confidence) and mother Catherine Laughlin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Catherine Laughlin
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Catherine Laughlin
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Catherine Laughlin
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Laughlin
Son · 1940 · age 30 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Laughlin
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Devene Laughlin
Sibling · 1940 · age 23
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
1940 US Federal Census — Lawrence-County, Pennsylvania
Open full size
1940 US Federal Census — Lawrence-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03536-00206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donna Lee Wenman | 3 | Granddaughter | — | PENNA |
| 42 | Joseph Mcquilkin | 62 | Head | Inspector | PENNA |
| 43 | Cora Mcquilkin | 60 | Wife | — | PENNA |
| 44 | Catherine Laughlin | 56 | Head | — | PENNA |
| 45 | Joseph D. Laughlin | 33 | Son | Clerk | PENNA |
| 46 | James J. Laughlin THIS PERSON | 30 | Son | Clerk | OHIO |
| 47 | Devene Laughlin | 23 | Son | Laborer | PENNA |
| 48 | Abraham Daniel | 73 | Brother-in-law | — | ENGLAND |
| 49 | Russell E. Shaffer | 37 | Head | Clerk | PENNA |
| 50 | Ann M. Shaffer | 31 | Wife | — | PENNA |
| 51 | Theodora Shaffer | 2 | Daughter | — | PENNA |
| 52 | Howard O. Gille | 34 | Head | Science Teacher Football Coach | PENNA |
| 53 | Nina Gille | 34 | Wife | — | PENNA |
| 54 | Shirley Gille | 5 | Daughter | — | PENNA |
| 55 | Herbert Maloney | 33 | Head | Inspector | PENNA |
| 56 | Mildred Maloney | 31 | Wife | — | PENNA |
| 57 | Harry Gould | 65 | Head | Owner | PENNA |
| 58 | Edna Gould | 49 | Wife | — | PENNA |
| 59 | Helen Phelps | 29 | Daughter | — | PENNA |
| 60 | Morris Phelps | 33 | Son-in-law | Labratory | PENNA |
| 61 | Morris Jr. Phelps | 4 | Grandson | — | PENNA |
| 62 | William G. Evans | 71 | Head | Doctor | PENNA |
| 63 | Martha Evans | 65 | Wife | — | PENNA |
| 64 | William D. Latiano | 31 | Head | Assistant Metallurgist | PENNA |
| 65 | Rosalind Latiano | 30 | Wife | — | PENNA |
| 66 | Mary E. Henderson | 66 | Head | City Assessor | PENNA |
| 67 | Nancy Morrison | 67 | Head | — | PENNA |
| 68 | Catherine Morrison | 39 | Daughter | Assistant Borough Secretary | PENNA |
| 69 | Isabell Morrison | 37 | Daughter | Bookkeeper | PENNA |
| 70 | George L. Davidson | 76 | Head | — | PENNA |
| 71 | Martha M. Davidson | 75 | Wife | — | PENNA |
| 72 | Harry Rotnour | 65 | Head | Barber | PENNA |
| 73 | Dorothy Rotnour | 64 | Wife | — | PENNA |
| 74 | Isadore Rotnour | 39 | Daughter | — | PENNA |
| 75 | Isabella Rotnour | 33 | Daughter | Stenographer | PENNA |
| 76 | Irene Rotnour | 31 | Daughter | Piano Music Teacher | PENNA |
| 77 | Joseph Braid | 49 | Head | Laborer | PENNA |
| 78 | Antoinette Braid | 40 | Wife | — | PENNA |
| 79 | Rose Mary Braid | 2 | Daughter | — | PENNA |
| 80 | Mary K. Reid | 58 | Head | — | IRISH FREE STATE |
Pedigree Summary
James + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)