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John Mclaughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Columbiana-County, Ohio
Our Model Tree links this John Mclaughlin across the 1930 and 1940 US Censuses in Columbiana-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbiana-County, Ohio |
| Surname | McLaughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Salineville Village |
| 1935 Residence (County) | Columbiana |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Salineville Village |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Mclaughlin | Daughter | — | 14 | ~1926 |
| Agnes Mclaughlin | Daughter | — | 8 | ~1932 |
| Catherine Mclaughlin | Daughter | — | 2 | ~1938 |
| Rose Mclaughlin | Daughter | — | 12 | ~1928 |
| Nora Mclaughlin | Daughter | — | 6 | ~1934 |
| James Mclaughlin | Head | — | 56 | ~1884 |
| William Mclaughlin | Son | — | 10 | ~1930 |
| Edward Mclaughlin | Son | — | 11 | ~1929 |
| John Mclaughlin | Son | — | 15 | ~1925 |
| Thomas Mclaughlin | Son | — | 4 | ~1936 |
| Agnes Mclaughlin | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Columbiana, Ohio
Son, age 5
Columbiana, Ohio · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Columbiana-County, Ohio
Son, age 15
Columbiana-County, Ohio · implied b. ~1925 — 11 household members
| Surname | McLaughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Salineville Village |
| 1935 Residence (County) | Columbiana |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 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 John Mclaughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mclaughlin
Son · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Elizabeth Mclaughlin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mclaughlin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mclaughlin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Mclaughlin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mclaughlin
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mclaughlin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Mclaughlin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mclaughlin
Sibling · 1940 · age 2
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 — Columbiana-County, Ohio
Open full size
1940 US Federal Census — Columbiana-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03045-00410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Raffle | 5 | Daughter | — | Ohio |
| 2 | Glen Raffle | 4 | Son | — | Ohio |
| 3 | Shirley Raffle | 2 | Daughter | — | Ohio |
| 4 | Joseph P. Mulheran | 52 | Head | Laborer | Ohio |
| 5 | Blanche Mulheran | 42 | Wife | Housekeeper | Ohio |
| 6 | Joseph Mulheran | 18 | Son | Typist | Ohio |
| 7 | Mary Mulheran | 15 | Daughter | — | Ohio |
| 8 | Thomas Collins | 66 | Head | Miner | Ohio |
| 9 | Birdie M. Collins | 58 | Wife | — | Ohio |
| 10 | Robert G. Collins | 19 | Son | Laborer | Ohio |
| 11 | Howard G. Green | 27 | Step-son | Roller'S Helper | Ohio |
| 12 | Walter Henderson | 54 | Head | Stationary Engineer | Ohio |
| 13 | Eva R. Henderson | 53 | Wife | — | Ohio |
| 14 | Allen Henderson | 18 | Son | — | Ohio |
| 15 | Mable Henderson | 10 | Daughter | — | Ohio |
| 16 | Martha Myers | 20 | Daughter | Stenographer | Ohio |
| 17 | Cliff Allison | 36 | Head | Laborer | Ohio |
| 18 | Lois Allison | 33 | Wife | — | Ohio |
| 19 | Dean Allison | 13 | Son | — | Ohio |
| 20 | James Allison | 10 | Son | — | Ohio |
| 21 | Wilson Madison | 62 | Head | Miner | Ohio |
| 22 | Nettie Madison | 58 | Wife | — | Ohio |
| 23 | Dean Smith | 33 | Head | Clergyman | Ohio |
| 24 | Cecil Smith | 30 | Wife | — | Ohio |
| 25 | James Mclaughlin | 56 | Head | Laborer | Pennsylvania |
| 26 | Agnes Mclaughlin | 42 | Wife | — | Ohio |
| 27 | John Mclaughlin THIS PERSON | 15 | Son | — | Ohio |
| 28 | Elizabeth Mclaughlin | 14 | Daughter | — | Ohio |
| 29 | Rose M. Mclaughlin | 12 | Daughter | — | Ohio |
| 30 | Edward Mclaughlin | 11 | Son | — | Ohio |
| 31 | William Mclaughlin | 10 | Son | — | Ohio |
| 32 | Agnes Mclaughlin | 8 | Daughter | — | Ohio |
| 33 | Nora Mclaughlin | 6 | Daughter | — | Ohio |
| 34 | Thomas Mclaughlin | 4 | Son | — | Ohio |
| 35 | Catherine Mclaughlin | 2 | Daughter | — | Ohio |
| 36 | Charles Wheatley | 35 | Head | Miner | Ohio |
| 37 | Naomi Wheatley | 32 | Wife | — | Ohio |
| 38 | Marjorie Wheatley | 16 | Daughter | — | Ohio |
| 39 | Charles Wheatley | 13 | Son | — | Ohio |
| 40 | Wilda Wheatley | 12 | Daughter | — | Ohio |
Related Census Records
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)