JL
John Laughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Warren-County, Illinois
Our Model Tree links this John Laughlin across the 1920, 1930 and 1940 US Censuses in Warren-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 3-person household.
Age 69
b. ~1871
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Illinois |
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Monmouth, Ill |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Monmouth Ill |
| Est. Birth Year | ~1871 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elnora Laughlin | Daughter | — | 31 | ~1909 |
| John Laughlin | Son | — | 67 | ~1873 |
| John Laughlin | Head | — | 69 | ~1871 |
Census Appearances
1920
Warren, Illinois
Head, age 49
Warren, Illinois · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | J. W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Warren, Illinois
Head, age 59
Warren, Illinois · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | John G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Warren-County, Illinois
Head, age 69
Warren-County, Illinois · implied b. ~1871 — 3 household members
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Monmouth, Ill |
| 1935 Residence (County) | Warren |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Laughlin
Head · 1940 · age 69 · b. ~1871 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Warren-County, Illinois
Open full size
1940 US Federal Census — Warren-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00901-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sadie Hall | 63 | Head | House Keeper | Illinois |
| 2 | Clara Howte|Houte | 52 | Head | Machine Operat | Illinois |
| 3 | Proctor Motley | 66 | Head | — | Kentucky |
| 4 | Samuel Mckinnie | 42 | Head | Farmer | Iowa |
| 5 | Lillian Mckinnie | 36 | wife | Waitress | Illinois |
| 6 | Pauline Mckinnie | 18 | Daughter | Housekeeper | N. Dakota |
| 7 | Robert Mcmahon | 78 | Head | — | Northern Ireland |
| 8 | Mary Mcmahon | 74 | wife | — | Northern Ireland |
| 9 | Chester E. Linnman | 49 | Head | Operator | Illinois |
| 10 | Ruth Linnman | 47 | wife | — | Illinois |
| 11 | Elizabeth Linnman | 21 | daughter | Secretary | Illinois |
| 12 | James Linnman | 15 | son | — | Illinois |
| 13 | Hannah Hammond | 61 | sister | Housekeeper | Illinois |
| 14 | Edwin Morgan | 69 | Head | — | Minnesota |
| 15 | Stella Morgan | 65 | wife | — | Missouri |
| 16 | Dean Williams | 50 | Head | Contract Carpenter | Illinois |
| 17 | Ella Williams | 32 | wife | — | Illinois |
| 18 | Earl Williams | 8 | son | — | Illinois |
| 19 | Joyce Williams | 5 | daughter | — | Illinois |
| 20 | Shirley Williams | 1 | daughter | — | Illinois |
| 21 | Wilbur Yanks | 62 | Head | Caretaker | Illinois |
| 22 | Effie Yanks | 58 | wife | Housewife | Virginia |
| 23 | Wanda Galusha | 38 | Head | Salesman | Missouri |
| 24 | Arline Galusha | 24 | wife | Manager | Alabama |
| 25 | Charles Galusha | 5 | son | — | New Mexico |
| 26 | Frank Galusha | 3 | son | — | New Mexico |
| 27 | Claudine Galusha | 1 | Daughter | — | New Mexico |
| 28 | John Laughlin THIS PERSON | 69 | Head | Farmer | Illinois |
| 29 | John Laughlin | 67 | son | — | Illinois |
| 30 | Elnora Laughlin | 31 | daughter | — | Illinois |
| 31 | Harry Thompson | 77 | Head | — | Illinois |
| 32 | Kate Thompson | 65 | wife | — | Illinois |
| 33 | John Thompson | 27 | son | Operator | Missouri |
| 34 | Wayne Thompson | 20 | son | Clerk | Missouri |
| 35 | William Gettemy | 80 | Head | — | Illinois |
| 36 | Emma Gettemy | 71 | wife | — | Illinois |
| 37 | Eva Mcintyre | 51 | daughter | School Teacher | Colorado |
| 38 | Dale Mcintyre | 16 | grandson | — | Illinois |
| 39 | Salmer Linnman | 52 | Head | Farm Operator | Illinois |
| 40 | Helen Linnman | 41 | wife | Housewife | Illinois |
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)