JH
John Hardy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Guernsey-County, Ohio
Our Model Tree links this John Hardy across the 1930 and 1940 US Censuses in Guernsey-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 12-person household.
Age 30
b. ~1910
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Guernsey-County, Ohio |
| Surname | Hardy |
| Given Name | John William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Guernsey |
| Additional Details | |
| Occupation | Laborer |
| Industry | General Hauling |
| Class of Worker | OA |
| Hours Worked | 12 |
| Income (1939) | 1632 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1910 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jeannie Hardy | Daughter | — | 13 | ~1927 |
| James Hardy | Head | — | 59 | ~1881 |
| Amanda Harper | Other | — | 68 | ~1872 |
| Raymon Hardy | Son | — | 4 | ~1936 |
| John Hardy | Son | — | 30 | ~1910 |
| James Hardy | Son | — | 26 | ~1914 |
| Samuel Hardy | Son | — | 15 | ~1925 |
| Alonzo Hardy | Son | — | 8 | ~1932 |
| Charles Hardy | Son | — | 24 | ~1916 |
| Albert Hardy | Son | — | 22 | ~1918 |
| Russell Hardy | Son | — | 11 | ~1929 |
| Levie Hardy | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Guernsey, Ohio
Son, age 21
Guernsey, Ohio · implied b. ~1909 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardy |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Guernsey-County, Ohio
Son, age 30
Guernsey-County, Ohio · implied b. ~1910 — 12 household members
| Surname | Hardy |
| Given Name | John William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Guernsey |
| Occupation | Laborer |
| Industry | General Hauling |
| Class of Worker | OA |
| Hours Worked | 12 |
| Income (1939) | 1632 |
| Highest Grade | Hs 5 |
| 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 Hardy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hardy
Son · 1940 · age 30 · b. ~1910 · Ohio
★ You are viewing this record
Sibling
Jeannie Hardy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alonzo Hardy
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hardy
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Hardy
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hardy
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymon Hardy
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Hardy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Hardy
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 — Guernsey-County, Ohio
Open full size
1940 US Federal Census — Guernsey-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03075-00102)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore Payton | 43 | Head | Janitor | Ohio |
| 2 | Lottie Mae Payton | 46 | Wife | — | Ohio |
| 3 | Helen M. Payton | 24 | Daughter | — | Ohio |
| 4 | Charles Edward Payton | 22 | Son | — | Ohio |
| 5 | Theodore Vernon Payton | 20 | Son | — | Ohio |
| 6 | Harold W. Payton | 18 | Son | Laborer K.P. | Ohio |
| 7 | Thomas L. Payton | 16 | Son | New Worker | Ohio |
| 8 | Robert A. Payton | 14 | Son | — | Ohio |
| 9 | Gerald Edwin Payton | 12 | Son | — | Ohio |
| 10 | George Roger Payton | 9 | Son | — | Ohio |
| 11 | Betty Catherine Payton | 8 | Daughter | — | Ohio |
| 12 | Dick James Payton | 6 | Son | — | Ohio |
| 13 | Charles L. Bagert | 33 | Head | Collector | Ohio |
| 14 | Ada Francis Bagert | 31 | Wife | — | Washington |
| 15 | Charles Edward Bagert | 6 | Son | — | Ohio |
| 16 | Frank H. Dougherty | 68 | Head | Heater | Ohio |
| 17 | Jack Delno Dougherty | 24 | Son | Tractor Operator | Ohio |
| 18 | Lafayette Smith | 71 | Head | — | Ohio |
| 19 | Armintha Smith | 61 | Wife | — | Ohio |
| 20 | Daniel Smith | 25 | Son | Painter | Ohio |
| 21 | Bernadine Smith | 30 | Daughter | Seamstress | Ohio |
| 22 | Elizabeth Hollins | 10 | Daughter | — | Ohio |
| 23 | Charles Edward Hollins | 8 | Son | — | Ohio |
| 24 | Thomas Hollins | 5 | Son | — | Ohio |
| 25 | Charles H. Mitchell | 65 | Lodger | — | Ohio |
| 26 | John H. Bennett | 74 | Head | Laborer | Ohio |
| 27 | Phoebe A. Bennett | 84 | Sister-in-law | — | Ohio |
| 28 | James H. Hardy | 59 | Head | Laborer | Ohio |
| 29 | Levie Edna Hardy | 48 | Wife | — | Ohio |
| 30 | John William Hardy THIS PERSON | 30 | Son | Laborer | Ohio |
| 31 | James Richard Hardy | 26 | Son | Laborer | Ohio |
| 32 | Charles Allen Hardy | 24 | Son | Laborer | Ohio |
| 33 | Albert Henry Hardy | 22 | Son | Laborer | Ohio |
| 34 | Samuel Everett Hardy | 15 | Son | — | Ohio |
| 35 | Jeannie Mae Hardy | 13 | Daughter | — | Ohio |
| 36 | Russell Hardy | 11 | Son | — | Ohio |
| 37 | Alonzo Hardy | 8 | Son | — | Ohio |
| 38 | Raymon Francis Hardy | 4 | Son | — | Ohio |
| 39 | Amanda Harper | 68 | Lodger | — | Ohio |
| 40 | Albert H. Hardy | 47 | Head | Laborer | Ohio |
Related Census Records
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)