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John Mathews — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this John Mathews across the 1920, 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed), with identified parents Oscar & Dora — first a head (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Mathews |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Pisgah town |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Occupation | Salesman |
| Industry | Chevrolet Parts Manager Garage |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 299 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Salesman |
| Township / Ward | Pisgah Town |
| Est. Birth Year | ~1916 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mathews | Head | — | 24 | ~1916 |
| Gordon Mathews | Son | — | 4 | ~1936 |
| Douglas Mathews | Son | — | 1 | ~1939 |
| Frances Mathews | Spouse | — | 24 | ~1916 |
Census Appearances
Son, age 4
Harrison, Iowa · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Matthews |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Iowa |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Harrison, Iowa
Son, age 14
Harrison, Iowa · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mathews |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Harrison-County, Iowa
Head, age 24
Harrison-County, Iowa · implied b. ~1916 — 4 household members
| Surname | Mathews |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Pisgah town |
| 1935 Residence (County) | Harrison |
| Occupation | Salesman |
| Industry | Chevrolet Parts Manager Garage |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 299 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mathews across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Matthews (~0.92 confidence) and mother Dora Matthews (~0.92 confidence) and mother Vera Mathews (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Matthews
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Dora Matthews
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Vera Mathews
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mathews
Head · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Harrison-County, Iowa
Open full size
1940 US Federal Census — Harrison-County, Iowa
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01166-00228)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Myrtle Ketterer | 39 | Wife | — | Iowa |
| 2 | George Bergman | 35 | Head | Superintendent | Wisconsin |
| 3 | Fred M. Wall | 48 | Head | Farming | Iowa |
| 4 | Margaret Wall | 46 | Wife | Cook'S Helper | Iowa |
| 5 | Francis Wall | 20 | Son | Helper | Iowa |
| 6 | Virginia Wall | 12 | Daughter | — | Iowa |
| 10 | Lloyd Swain | 56 | Head | Proprietor | Illinois |
| 11 | Zaida Swain | 53 | Wife | Bookkeeping | Iowa |
| 12 | Byron Swain | 24 | Son | Salesman | Iowa |
| 13 | Wyonetta Swain | 19 | Daughter | — | Iowa |
| 14 | Margaret Swain | 17 | Daughter | — | Iowa |
| 15 | Mary A. Mccorkindale | 28 | Lodger | Teacher | Iowa |
| 16 | David E. Perrin | 40 | Head | Proprietor | Iowa |
| 17 | Glenice Perrin | 39 | Wife | Keeper Rooms | Iowa |
| 18 | Charmion Perrin | 5 | Daughter | — | Iowa |
| 19 | David Lee Perrin | 3 | Son | — | Iowa |
| 20 | Elizabeth Ann Wallace | 22 | Lodger | Teaching | Iowa |
| 21 | Berniece Celestia Lutz | 23 | Lodger | Teaching | S. Dakota |
| 22 | Dorothy Dunham | 28 | Lodger | Teacher | Iowa |
| 23 | Eileen H. Wear | 25 | Lodger | Teacher | Iowa |
| 24 | Mary Runkle | 61 | Head | — | Iowa |
| 25 | Chris Larson | 78 | Lodger | — | Norway |
| 26 | Henry Runkle | 38 | Son | Farming | Iowa |
| 27 | Percy Laidler | 27 | Head | Trucker | Iowa |
| 28 | Orpha Laidler | 23 | Wife | Janitor | Iowa |
| 29 | Roger Laidler | 5 | Son | — | Nebraska |
| 30 | Sharon Laidler | 3 | Daughter | — | Iowa |
| 31 | Rodney Laidler | 1 | Son | — | Iowa |
| 32 | John Mathews THIS PERSON | 24 | Head | Salesman | Iowa |
| 33 | Frances Mathews | 24 | Wife | — | Iowa |
| 34 | Gordon Mathews | 4 | Son | — | Iowa |
| 35 | Douglas Mathews | 1 | Son | — | Iowa |
| 37 | William Griffith | 87 | Head | — | Pennsylvania |
| 38 | Lola Callison | 65 | Granddaughter | — | Illinois |
| 39 | Hazel A. Griffith | 43 | Daughter | Assistant Cashier | Iowa |
| 40 | A. F. Cave | 61 | Head | Farming | Iowa |
Related Census Records
Pedigree Summary
John
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)