JH
John Hennessey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Hennessey across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Hennessey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Norwood City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Cashier |
| Industry | Freight Co |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1600 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Cashier |
| Township / Ward | Norwood City |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Katherine Hennessey | Spouse | — | 23 | ~1917 |
| John Hennessey | Head | — | 25 | ~1915 |
| Marilyn Hennessey | Daughter | — | 2 | ~1938 |
Census Appearances
1920
Hamilton, Ohio
Son, age 2
Hamilton, Ohio · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessy |
| Given Name | John |
| 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
Head, age 25
Hamilton-County, Ohio · implied b. ~1915 — 3 household members
| Surname | Hennessey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Norwood City |
| 1935 Residence (County) | Hamilton |
| Occupation | Cashier |
| Industry | Freight Co |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1600 |
| Highest Grade | H 2 |
| 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 Hennessey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Hennessy (~0.92 confidence) and mother Mary Hennessey (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Hennessy
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mary Hennessey
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hennessey
Head · 1940 · age 25 · b. ~1915 · Ohio
★ 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 — 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-t0627-03078-00907)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Lukem | 12 | Son | — | Ohio |
| 2 | Milford Meadows | 28 | Head | Maintenance Man | Kentucky |
| 3 | Mary Meadows | 25 | Wife | — | Ohio |
| 4 | Robert Meadows | 7 | Son | — | Ohio |
| 5 | Arlene Meadows | 5 | Daughter | — | Ohio |
| 6 | Mayle Meadows | 3 | Daughter | — | Ohio |
| 7 | Geo H Meyer | 51 | Head | Carpenter | Ohio |
| 8 | Catherine Meyer | 51 | Wife | — | Ohio |
| 9 | Ruth Meyer | 15 | Daughter | — | Ohio |
| 10 | Joan Meyer | 7 | Daughter | — | Ohio |
| 11 | Mary Beel | 49 | Boarder | Book Keeping | Ohio |
| 12 | Elmer Scheele | 22 | Head | Clerk | Ohio |
| 13 | Clotilda Scheele | 25 | Wife | — | Indiana |
| 14 | George C Greiser | 60 | Head | Finisher | Ohio |
| 15 | Elizabeth Greiser | 55 | Wife | — | Ohio |
| 16 | Mildred Greiser | 35 | Daughter | Sorter | Ohio |
| 17 | Lucille Greiser | 26 | Daughter | Sorter | Ohio |
| 18 | Ruth Greiser | 21 | Daughter | — | Ohio |
| 19 | Lawrence Greiser | 17 | Son | — | Ohio |
| 21 | Harry Hamman | 49 | Head | Manager | Ohio |
| 22 | Catherine Hamman | 37 | Wife | — | Ohio |
| 23 | Charles Birch | 30 | Head | Laborer | Tennessee |
| 24 | Pauline Birch | 18 | Wife | — | Kentucky |
| 25 | Charles G Birch | 0 | Son | — | Kentucky |
| 26 | William Bullard | 69 | Head | Attendant | Ohio |
| 27 | Minnie Bullard | 66 | Wife | — | Canada |
| 28 | William Runnen | 49 | Son in law | Attendant | Ohio |
| 29 | Ella Runnen | 44 | Daughter | — | Ohio |
| 30 | William C Runnen | 10 | Grandson | — | Ohio |
| 31 | Joseph Heinrich | 40 | Head | Shoe Repairman | Hungary |
| 32 | Anna Heinrich | 42 | Wife | — | Hungary |
| 33 | Catherine Heinrich | 22 | Daughter | Fly Girl | Ohio |
| 34 | Anna Heinrich | 15 | Daughter | Clerk | Ohio |
| 35 | John Hennessey THIS PERSON | 25 | Head | Cashier | Ohio |
| 36 | Katherine Hennessey | 23 | Wife | — | Ohio |
| 37 | Marilyn Hennessey | 2 | Daughter | — | Ohio |
| 38 | Charles Mccorcle | 52 | Head | Tool Maker | Ohio |
| 39 | Louella Mccorcle | 58 | Wife | — | Ohio |
| 40 | Louis Henke | 31 | Head | Book Keeper | Ohio |
Related Census Records
Pedigree Summary
John
Gen 1 · 2 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)