JH
John Hennessey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Perry-County, Ohio
Our Model Tree links this John Hennessey across the 1930 and 1940 US Censuses in Perry-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 7-person household.
Age 59
b. ~1881
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Perry-County, Ohio |
| Surname | Hennessey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Mishler (not inc) |
| 1935 Residence (County) | Perry |
| Additional Details | |
| Occupation | Sta. Engineer |
| Industry | Pottery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1420 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Sta. Engineer |
| Township / Ward | Mishler Not Inc |
| Est. Birth Year | ~1881 |
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 |
|---|---|---|---|---|
| John Hennessey | Head | — | 59 | ~1881 |
| Frances Hennessey | Spouse | — | 56 | ~1884 |
| Patrick Hennessey | Son | — | 24 | ~1916 |
| Robert Hennessey | Son | — | 10 | ~1930 |
| Edward Hennessey | Son | — | 17 | ~1923 |
| Margaret Hennessey | Daughter | — | 13 | ~1927 |
| William Hennessey | Son | — | 20 | ~1920 |
Census Appearances
1930
Perry, Ohio
Head, age 47
Perry, Ohio · implied b. ~1883 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennesy |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 30 |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | Ohio |
| Occupation | Fireman |
| Industry | Railway Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Perry-County, Ohio
Head, age 59
Perry-County, Ohio · implied b. ~1881 — 7 household members
| Surname | Hennessey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Mishler (not inc) |
| 1935 Residence (County) | Perry |
| Occupation | Sta. Engineer |
| Industry | Pottery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1420 |
| Highest Grade | 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 Hennessey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hennessey
Head · 1940 · age 59 · b. ~1881 · Ohio
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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 — Perry-County, Ohio
Open full size
1940 US Federal Census — Perry-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03127-00638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Keck | 56 | Mother-in-law | — | Ohio |
| 42 | Walter Keck | 32 | Brother-in-law | Coal Mine | Ohio |
| 43 | John C Dickerson | 40 | Head | Miner | Ohio |
| 44 | Willamina Dickerson | 40 | Wife | — | Ohio |
| 45 | Betty F Dickerson | 18 | Daughter | Waitress | Ohio |
| 46 | Clyde E Dickerson | 16 | Son | — | Ohio |
| 47 | Annie Dickerson | 14 | Daughter | — | Ohio |
| 48 | Willamina Dickerson | 12 | Daughter | — | Ohio |
| 49 | Lenora Dickerson | 10 | Daughter | — | Ohio |
| 50 | John Jr. Dickerson | 7 | Son | — | Ohio |
| 51 | Helen Dickerson | 1 | Daughter | — | Ohio |
| 52 | Henry G Hankinson | 78 | Head | — | Ohio |
| 53 | Mary Hankinson | 58 | Wife | — | Ohio |
| 54 | John Hennessey THIS PERSON | 59 | Head | Sta. Engineer | Ohio |
| 55 | Frances Hennessey | 56 | Wife | — | Ohio |
| 56 | Patrick Hennessey | 24 | Son | Inspector | Ohio |
| 57 | William Hennessey | 20 | Son | Clerk | Ohio |
| 58 | Edward Hennessey | 17 | Son | — | Ohio |
| 59 | Margaret A Hennessey | 13 | Daughter | — | Ohio |
| 60 | Robert Hennessey | 10 | Son | — | Ohio |
| 61 | Alex G Mclean | 57 | Head | — | Ohio |
| 62 | William Hoy | 50 | Head | Farmer | Ohio |
| 63 | Grace Hoy | 53 | Wife | — | Ohio |
| 64 | Wilson Hoy | 21 | Son | Farm Hand | Ohio |
| 65 | Beulah Hoy | 17 | Daughter | — | Ohio |
| 66 | Mary K Hoy | 14 | Daughter | — | Ohio |
| 67 | Mae Hoy | 11 | Daughter | — | Ohio |
| 68 | Roland Mutter | 30 | Head | Miner | Ohio |
| 69 | Ruby Mutter | 29 | Wife | — | Ohio |
| 70 | Roland Jr Mutter | 12 | Son | — | Ohio |
| 71 | Kenneth Mutter | 10 | Son | — | Indiana |
| 72 | Glenna Mutter | 7 | Daughter | — | Ohio |
| 73 | Nella Mutter | 5 | Daughter | — | Ohio |
| 74 | William Mutter | 3 | Son | — | Ohio |
| 75 | Florence Mutter | 1 | Daughter | — | Ohio |
| 76 | Harley Perrigo | 58 | Head | Mine Operator | Ohio |
| 77 | May Perrigo | 55 | Wife | — | Ohio |
| 78 | Almetta Perrigo | 18 | Daughter | — | Ohio |
| 79 | Ray Stoner | 34 | Head | Mine Operator | Ohio |
| 80 | Charlotte Stoner | 23 | Wife | — | Ohio |
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)