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John Mclaughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Champaign, Ohio
Our Model Tree links this John Mclaughlin across the 1930 and 1940 US Censuses in Champaign, Ohio (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 13-person household.
Age 25
b. ~1905
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Champaign, Ohio |
| Surname | McLaughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Bookkeeper |
| Township / Ward | Urbana City |
| Est. Birth Year | ~1905 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Agnes Mclaughlin | Daughter | — | 1 | ~1929 |
| Charlotte Mclaughlin | Daughter | — | 21 | ~1909 |
| Kathryn Mclaughlin | Daughter | — | 23 | ~1907 |
| Isabella Mclaughlin | Daughter | — | 18 | ~1912 |
| John Mclaughlin | Head | — | 49 | ~1881 |
| Robert Mclaughlin | Son | — | 15 | ~1915 |
| Richard Mclaughlin | Son | — | 10 | ~1920 |
| John Mclaughlin | Son | — | 25 | ~1905 |
| Edward Mclaughlin | Son | — | 8 | ~1922 |
| Maurice Mclaughlin | Son | — | 6 | ~1924 |
| Joseph Mclaughlin | Son | — | 2 | ~1928 |
| James Mclaughlin | Son | — | 12 | ~1918 |
| Carrie Mclaughlin | Spouse | — | 48 | ~1882 |
Census Appearances
1930
Champaign, Ohio
Son, age 25
Champaign, Ohio · implied b. ~1905 — 13 household members
| Surname | McLaughlin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Champaign-County, Ohio
Head, age 34
Champaign-County, Ohio · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Laughlin |
| Given Name | John D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Urbana |
| 1935 Residence (County) | Champaign |
| Occupation | Manager |
| Industry | Automobile Supply Store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 · 1930 · age 25 · b. ~1905 · Ohio
★ You are viewing this record
Sibling
Edward Mclaughlin
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Mclaughlin
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mclaughlin
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mclaughlin
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mclaughlin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Mclaughlin
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mclaughlin
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Mclaughlin
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabella Mclaughlin
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Mclaughlin
Sibling · 1930 · age 21
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 — Champaign, Ohio
Open full size
1930 US Federal Census — Champaign, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1755:0964)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence L Thornburgh | 65 | Head | Wood Worker | Ohio |
| 2 | Anna M Thornburgh | 64 | Wife | — | Ohio |
| 3 | Clarence Mackey | 45 | Head | Electrician | Ohio |
| 4 | Nellie M Mackey | 42 | Wife | — | Ohio |
| 5 | Robert Mackey | 20 | Son | — | Ohio |
| 6 | Richard Mackey | 18 | Son | — | Ohio |
| 7 | Margaret Mackey | 15 | Daughter | — | Ohio |
| 8 | Edward Mcconkey | 43 | Head | Salesman | Ohio |
| 9 | Alice H Mcconkey | 41 | Wife | — | Ohio |
| 10 | Nellie Quinn | 64 | Lodger | — | Ohio |
| 11 | Harry Hart | 61 | Head | — | Ohio |
| 12 | John H Hart | 41 | Brother | Salesman | Canada-English |
| 13 | Joseph E Downey | 60 | Head | Painter | Ohio |
| 14 | Victoria E Downey | 57 | Wife | — | Ohio |
| 15 | Tinea Shipley | 74 | Lodger | Dressmaker | Ohio |
| 16 | Joshua E Roder | 65 | Head | — | Ohio |
| 17 | Rachel M Roder | 65 | Wife | — | Ohio |
| 18 | William S Bonser | 54 | Head | — | Ohio |
| 19 | Eva Bonser | 51 | Wife | — | Ohio |
| 20 | Elizabeth Beckwith | 53 | Head | — | Ohio |
| 21 | Florence Beckwith | 19 | Daughter | — | Ohio |
| 22 | Mary S Ralston | 54 | Head | — | Ohio |
| 23 | Mary L Ralston | 25 | Daughter | Stenographer | Ohio |
| 24 | Charles W Evans | 47 | Head | Superintendent | Indiana |
| 25 | Edna J Evans | 45 | Wife | — | Ohio |
| 26 | Howard J Evans | 20 | Son | Salesman | Ohio |
| 27 | Robert Evans | 12 | Son | — | Ohio |
| 28 | Charles J Humphert | 51 | Head | Engineer | Ohio |
| 29 | Martha Humphert | 50 | Wife | — | Ohio |
| 30 | Patrick J Schneider | 45 | Head | Painter | Ohio |
| 31 | Anna H Schneider | 42 | Wife | — | Ohio |
| 32 | Mary Schneider | 17 | Daughter | — | Ohio |
| 33 | John Schneider | 13 | Son | — | Ohio |
| 34 | John R Mcneal | 69 | Head | Lineman | Ohio |
| 35 | Clara E Mcneal | 67 | Wife | — | Ohio |
| 36 | John M Mclaughlin | 49 | Head | Toolmaker | Ohio |
| 37 | Carrie Mclaughlin | 48 | Wife | — | Ohio |
| 38 | John Mclaughlin THIS PERSON | 25 | Son | Bookkeeper | Ohio |
| 39 | Kathryn Mclaughlin | 23 | Daughter | — | Ohio |
| 40 | Isabella Mclaughlin | 18 | Daughter | — | Ohio |
| 41 | Robert Mclaughlin | 15 | Son | — | Ohio |
| 42 | James Mclaughlin | 12 | Son | — | Ohio |
| 43 | Richard Mclaughlin | 10 | Son | — | Ohio |
| 44 | Edward Mclaughlin | 8 | Son | — | Ohio |
| 45 | Maurice Mclaughlin | 6 | Son | — | Ohio |
| 46 | Joseph Mclaughlin | 2 | Son | — | Ohio |
| 47 | Charlotte Mclaughlin | 21 | Daughter | — | Ohio |
| 48 | Agnes Mclaughlin | 1 | Daughter | — | Ohio |
| 49 | Curtis J Fowler | 46 | Head | Barber | Ohio |
| 50 | Ethel Fowler | 42 | Wife | — | Ohio |
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)