JH
James Hardin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, Ohio
Our Model Tree links this James Hardin across the 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Ohio |
| Surname | Hardin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Springfield |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Richard Hardin | Son | — | ~1940 | |
| Jessie Hardin | Spouse | — | 34 | ~1906 |
| Florence Hardin | Daughter | — | 3 | ~1937 |
| Josephine Hardin | Daughter | — | 5 | ~1935 |
| Ida Hardin | Daughter | — | 10 | ~1930 |
| James Hardin | Son | — | 12 | ~1928 |
| Charles Hardin | Son | — | 13 | ~1927 |
| Richard Hardin | Head | — | 50 | ~1890 |
| Dorothy Hardin | Daughter | — | 9 | ~1931 |
| Geraldine Hardin | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Clark, Ohio
Son, age 3
Clark, Ohio · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harden |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clark-County, Ohio
Son, age 12
Clark-County, Ohio · implied b. ~1928 — 10 household members
| Surname | Hardin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 James Hardin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hardin
Son · 1940 · age 12 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Florence Hardin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Hardin
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Hardin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Hardin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Hardin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hardin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Hardin
Sibling · 1940 · age 7
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 — Clark-County, Ohio
Open full size
1940 US Federal Census — Clark-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03039-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara O. Copley | 22 | Wife | — | Ohio |
| 42 | Joyce Ann Copley | 3 | Daughter | — | — |
| 43 | Frances Roselle Keyes | 29 | Head | Nurse Maid | Ohio |
| 44 | Jack Ellsworth Keyes | 27 | Brother | Hatter | Ohio |
| 45 | Walter Christian | 65 | Head | Sand Cutter | Kentucky |
| 46 | Antha Christian | 52 | Wife | — | Ohio |
| 47 | Richard Hardin | 50 | Head | Labourer | Ohio |
| 48 | Jessie Hardin | 34 | Wife | — | Ohio |
| 49 | Charles Hardin | 13 | Son | — | Ohio |
| 50 | James Hardin THIS PERSON | 12 | Son | — | Ohio |
| 51 | Ida Belle Hardin | 10 | Daughter | — | Ohio |
| 52 | Dorothy Jean Hardin | 9 | Daughter | — | Ohio |
| 53 | Geraldine Hardin | 7 | Daughter | — | Ohio |
| 54 | Josephine Hardin | 5 | Daughter | — | Ohio |
| 55 | Florence Marie Hardin | 3 | Daughter | — | Ohio |
| 56 | Richard Larry Hardin | 0 | Son | — | Ohio |
| 57 | William Armstrong | 57 | Head | Mail Carrier | Ohio |
| 58 | Annabell Armstrong | 42 | Wife | Houseworker | Ohio |
| 59 | Robert Armstrong | 21 | Son | Labourer | Ohio |
| 60 | Charm Armstrong | 19 | Daughter | Office General | Ohio |
| 61 | Lucille Armstrong | 16 | Daughter | — | Ohio |
| 62 | Isabelle Armstrong | 13 | Daughter | — | Ohio |
| 63 | Winifred Armstrong | 9 | Daughter | — | Ohio |
| 64 | Henry Blount | 65 | Head | — | So Carolina |
| 65 | Cora Blount | 62 | Wife | — | Ohio |
| 66 | Phyllis Buckner | 5 | Grandchild | — | Ohio |
| 67 | James Fudge | 27 | Head | Labourer | Georgia |
| 68 | Beatrice Fudge | 21 | Wife | — | Arkansas |
| 69 | Shirley Ann Fudge | 3 | Daughter | — | Ohio |
| 70 | Peggy Lou Fudge | 3 | Daughter | — | Ohio |
| 71 | Johnnie Mel Fudge | 1 | Daughter | — | Ohio |
| 72 | Armealie Dill | 57 | Mother-in-law | Seamstress | Alabama |
| 73 | Nellie Butler | 52 | Head | — | Ohio |
| 74 | Russell Butler | 30 | Son | Labourer | Ohio |
| 75 | Louis Butler | 26 | Son | Shoe Shine | Ohio |
| 76 | Elizabeth Butler | 21 | Daughter-in-law | — | Ohio |
| 77 | Walter E. Disher | 26 | Head | Labourer | Kentucky |
| 78 | Susie Scott | 44 | Head | Housework | Alabama |
| 79 | Harold Tolbert | 19 | Son | Labourer | Alabama |
| 80 | Nicola Tolbert | 14 | Daughter | — | 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)