JL
John Laughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Michigan
Our Model Tree links this John Laughlin across the 1920, 1930 and 1940 US Censuses in Jackson-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 6-person household.
Age 53
b. ~1887
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Michigan |
| Surname | Laughlin |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Jackson City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Machinist |
| Industry | Crank Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2184 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Machinist |
| Township / Ward | Jackson City |
| Est. Birth Year | ~1887 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Josephine Laughlin | Daughter | — | 14 | ~1926 |
| Jack Laughlin | Son | — | 24 | ~1916 |
| Robert Laughlin | Son | — | 20 | ~1920 |
| Richard Laughlin | Son | — | 12 | ~1928 |
| John Laughlin | Head | — | 53 | ~1887 |
| Eva Laughlin | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Jackson, Michigan
Head, age 34
Jackson, Michigan · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Assistant Superintendent |
| Industry | Corset Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Jackson, Michigan
Head, age 44
Jackson, Michigan · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laughlin |
| Given Name | John L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 20 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Occupation | Machinist |
| Industry | Corset Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Jackson-County, Michigan
Head, age 53
Jackson-County, Michigan · implied b. ~1887 — 6 household members
| Surname | Laughlin |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Jackson City |
| 1935 Residence (County) | Jackson |
| Occupation | Machinist |
| Industry | Crank Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2184 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 53 · b. ~1887 · Michigan
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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 — Jackson-County, Michigan
Open full size
1940 US Federal Census — Jackson-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01768-00130)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Caldwell, Ruth C. Cahill | 29 | Daughter | Book-Keeper | Michigan |
| 2 | Joseph K. Cahill | 23 | Son | Delivery | Michigan |
| 3 | R. Verne Conklin | 43 | Head | Tire Builder | Ohio |
| 4 | Ruth M. Conklin | 40 | Wife | — | Ohio |
| 5 | Harriet Conklin | 14 | Daughter | — | Ohio |
| 6 | Wesley Conklin | 12 | Son | — | Ohio |
| 7 | John J. Koehler | 75 | Head | Project Watch | Florida |
| 8 | Dolly R. Koehler | 73 | Wife | — | Michigan |
| 9 | Richard Sullivan | 35 | Head | Elec. Engineer | Tennessee |
| 10 | Evelyn C. Sullivan | 33 | Wife | — | Pennsylvania |
| 11 | Joan Sullivan | 9 | Daughter | — | Michigan |
| 12 | David Sullivan | 8 | Son | — | Michigan |
| 13 | Maura Sullivan | 3 | Daughter | — | Michigan |
| 14 | Theodore D. Mccreery | 53 | Head | Salesman | Ohio |
| 15 | Madeline R. Mccreery | 57 | Wife | Religious | New Jersey |
| 16 | Roger P. Mccreery | 22 | Son | Night Clerk | Illinois |
| 17 | Carolyn A. Mccreery | 19 | Daughter | Clerk | Michigan |
| 18 | — | None | — | — | — |
| 19 | Delphia R. Bennett | 67 | Head | — | Michigan |
| 20 | Anna E. Blizzard | 87 | Aunt | — | New York |
| 21 | Jannie Mohney | 76 | Head | Hand Ironer | Germany |
| 22 | Sophia Bent | 69 | Sister | — | Germany |
| 23 | John J. Laughlin THIS PERSON | 53 | Head | Machinist | Michigan |
| 24 | Eva D. Laughlin | 51 | Wife | — | Canada-Eng |
| 25 | Jack Laughlin | 24 | Son | Chemist | Michigan |
| 26 | Robert Laughlin | 20 | Son | Attendant | Michigan |
| 27 | Josephine Laughlin | 14 | Daughter | — | Michigan |
| 28 | Richard Laughlin | 12 | Son | — | Michigan |
| 29 | Loren C. Robison | 29 | Head | Elec. Engineer | Ohio |
| 30 | Florence S. Robison | 23 | Wife | — | Indiana |
| 31 | Ella M. Ramsey | 66 | Head | — | Ohio |
| 32 | A. Margaret Ramsey | 42 | Daughter | Telephone Op | Illinois |
| 33 | Arleyte R. Arnold | 19 | Head | Station Attendant | Michigan |
| 34 | Elaine L. Arnold | 19 | Wife | — | Michigan |
| 35 | Fred X. Mcduff | 44 | Head | Laundry | Michigan |
| 36 | M. Beulah Mcduff | 44 | Wife | Laundry | Oregon |
| 37 | — | None | — | — | — |
| 38 | Cora B. Bailey | 77 | Head | — | Michigan |
| 39 | Effie B. Griffith | 70 | Head | — | Michigan |
| 40 | Clarence E. Calkins | 59 | Head | Carpenter | Michigan |
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)