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John Stark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Stark across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Stark |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Helper |
| Industry | City Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Helper |
| Township / Ward | Cincinnati City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Stark | Son | — | 22 | ~1918 |
| John Stark | Son | — | 24 | ~1916 |
| Jean Stark | Daughter | — | 15 | ~1925 |
| John Stark | Head | — | 49 | ~1891 |
| Leona Stark | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Hamilton, Ohio
Son, age
Hamilton, Ohio · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stark |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 12
Hamilton, Ohio · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stark |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 24
Hamilton-County, Ohio · implied b. ~1916 — 5 household members
| Surname | Stark |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Occupation | Helper |
| Industry | City Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 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 Stark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Stark (~0.92 confidence) and father John Stark (~0.92 confidence) and father John Stark (~0.92 confidence) and mother Leona Stark (~0.92 confidence) and mother Louise Stark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Stark
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Stark
b. ~1894
Source father
● Household
· direct · ~0.92
Father
John Stark
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Leona Stark
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Louise Stark
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Stark
Son · 1940 · age 24 · b. ~1916 · Ohio
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Sibling
Jean Stark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Stark
Sibling · 1940 · age 22
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
1940 US Federal Census — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03192-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John H. Baier | 63 | Head | Machinist | Ohio |
| 42 | Nellie Baier | 60 | Wife | — | Ohio |
| 43 | Fred Baier | 34 | Son | Postal Clerk | Ohio |
| 44 | Ruth Baier | 22 | Daughter | — | Kentucky |
| 45 | Amos Claypool | 27 | Head | Truck Driver | Kentucky |
| 46 | Louise Claypool | 21 | Wife | Presser | Ohio |
| 47 | Dominick Bore | 51 | Head | — | Italy |
| 48 | Clara Bore | 51 | Wife | — | Italy |
| 49 | Joseph Bore | 21 | Son | Fire Force | Ohio |
| 50 | Matilda Bore | 21 | Daughter | Hand Sewer | Ohio |
| 51 | Orlando Bore | 19 | Son | Fire Force | Ohio |
| 52 | Ida Bore | 18 | Daughter | Saleslady | Ohio |
| 53 | Polly Bore | 15 | Son | — | Ohio |
| 54 | Salvatore Bore | 11 | Son | — | Ohio |
| 55 | Ann Marie Bore | 9 | Daughter | — | Ohio |
| 56 | Henry Lueckehen | 41 | Head | Maintenance | Germany |
| 57 | Sophia Lueckehen | 33 | Wife | — | Germany |
| 58 | Ralph Lueckehen | 1 | Son | — | Kentucky |
| 59 | Robert Hall | 39 | Head | Fireman | Kentucky |
| 60 | Norma Hall | 35 | Wife | — | Ohio |
| 61 | Jean Francis Hall | 12 | Daughter | — | Ohio |
| 62 | Bessie Mew | 23 | Niece | Assistant | Kentucky |
| 63 | Frank Myers | 38 | Head | Clerk - Deliv | Ohio |
| 64 | Viola Myers | 37 | Wife | — | Ohio |
| 65 | Robert Myers | 18 | Son | — | Ohio |
| 66 | Betty Myers | 15 | Daughter | — | Ohio |
| 67 | Claire Myers | 12 | Daughter | — | Ohio |
| 68 | George R. Myers | 59 | Head | Custodian | Ohio |
| 69 | Jennie Myers | 58 | Wife | — | Ohio |
| 70 | Ralph Hagenhoff | 36 | Son-in-law | Compositor | Ohio |
| 71 | John Stark | 49 | Head | Helper | Ohio |
| 72 | Leona Stark | 49 | Wife | — | Ohio |
| 73 | John Jr. Stark THIS PERSON | 24 | Son | Helper | Ohio |
| 74 | James R. Stark | 22 | Son | Messenger | Ohio |
| 75 | Jean Stark | 15 | Daughter | — | Ohio |
| 76 | Phillip Fitzpatrick | 80 | Head | — | Ohio |
| 77 | Julia Fitzpatrick | 66 | Wife | — | Ohio |
| 78 | Joseph Hecht | 28 | Head | Service Mgr | Ohio |
| 79 | Mildred Hecht | 26 | Wife | — | Kentucky |
Pedigree Summary
John + 2 siblings
Gen 1 · 5 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)