JC
John Coughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Howard-County, Indiana
Our Model Tree links this John Coughlin across the 1930 and 1940 US Censuses in Howard-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 7-person household.
Age 51
b. ~1889
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Howard-County, Indiana |
| Surname | Coughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Kokomo City |
| 1935 Residence (County) | Howard |
| Additional Details | |
| Occupation | Machinist |
| Industry | Service Station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2637 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Machinist |
| Township / Ward | Kokomo City |
| Est. Birth Year | ~1889 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Robert Coughlin | Son | — | 15 | ~1925 |
| Rose Coughlin | Daughter | — | 12 | ~1928 |
| J Coughlin | Son | — | 21 | ~1919 |
| John Coughlin | Head | — | 51 | ~1889 |
| James Coughlin | Son | — | 22 | ~1918 |
| Lelah Coughlin | Spouse | — | 47 | ~1893 |
| Frederick Coughlin | Son | — | 14 | ~1926 |
Census Appearances
1930
Howard, Indiana
Head, age 41
Howard, Indiana · implied b. ~1889 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Kentucky |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Howard-County, Indiana
Head, age 51
Howard-County, Indiana · implied b. ~1889 — 7 household members
| Surname | Coughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Kokomo City |
| 1935 Residence (County) | Howard |
| Occupation | Machinist |
| Industry | Service Station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2637 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Coughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Coughlin
Head · 1940 · age 51 · b. ~1889 · Indiana
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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 — Howard-County, Indiana
Open full size
1940 US Federal Census — Howard-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01053-00513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Deloris Marie Coughlin | 1 | Daughter | — | Indiana |
| 2 | John Coughlin THIS PERSON | 51 | Head | Machinist | Indiana |
| 3 | Lelah Coughlin | 47 | Wife | — | Indiana |
| 4 | James H. Coughlin | 22 | Son | Laborer | Indiana |
| 5 | J. Edward Coughlin | 21 | Son | Messenger | Indiana |
| 6 | Frederick Coughlin | 14 | Son | News Worker | Indiana |
| 7 | Robert Coughlin | 15 | Son | — | Indiana |
| 8 | Rose Mary Coughlin | 12 | Daughter | — | Indiana |
| 9 | Myrtle Brubaker | 59 | Head | — | Indiana |
| 10 | John Levi Brubaker | 31 | Son | Janitor | Indiana |
| 11 | Matt Sparger | 78 | Head | — | Indiana |
| 12 | Helen Sparger | 66 | Wife | — | Ohio |
| 13 | Arabelle P. Kramer | 72 | Head | — | Indiana |
| 14 | Mearl Mcdowell | 47 | Head | Conveyor Operator | Indiana |
| 15 | Madie Mcdowell | 45 | Wife | — | Tennessee |
| 16 | Marguerite Powell | 17 | Niece | — | Indiana |
| 17 | L. Roy Baker | 49 | Head | Electrician | Indiana |
| 18 | Bessie Mae Baker | 48 | Wife | — | Indiana |
| 19 | Walter E. Bowen | 30 | Lodger | Coal Hauler | Indiana |
| 20 | Dorothy L. Bowen | 20 | Daughter | Tester | Indiana |
| 21 | June Bingeman | 19 | Daughter | House Work | Indiana |
| 22 | S. Paul Bingeman | 2 | Son | — | Indiana |
| 23 | Walter M. Bingeman | 4 | Son | — | Indiana |
| 24 | Mitchell Trussel | 28 | Lodger | Book Man / Laborer | Illinois |
| 25 | Mitchell Jr. Trussel | 5 | Son | — | Illinois |
| 26 | Ora N. Chism | 49 | Head | Auto Mechanic | Indiana |
| 27 | E. Flossie Chism | 50 | Wife | — | Indiana |
| 28 | Mary Chism | 21 | Daughter | — | Indiana |
| 29 | Virginia Chism | 16 | Daughter | — | Indiana |
| 30 | Allison Whipple | 65 | Head | — | Indiana |
| 31 | Amanda Whipple | 66 | Wife | — | Indiana |
| 32 | — | None | — | — | — |
| 33 | Samuel E. Pritchard | 28 | Head | General Work / Road Dept | Illinois |
| 34 | Grace Pritchard | 36 | Wife | — | Indiana |
| 35 | Pauline Jewell | 17 | Step Daughter | House Work | Indiana |
| 36 | Sam Della Serrell | 40 | Head | Laundress | Kentucky |
| 37 | Charlie Sinder | 20 | Son | Porter | Kentucky |
| 38 | Laurene Sinder | 20 | Daughter in law | — | Kentucky |
| 39 | Mose Long | 46 | Lodger | Laborer | Kentucky |
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)