JH
John Hardin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marion, Indiana
Our Model Tree links this John Hardin across the 1920, 1930 and 1940 US Censuses in Marion, Indiana (XGBoost, ~Confirmed), with identified parents Joseph & Wm — first a son (b.~1919), then head of a 4-person household.
Age 11
b. ~1919
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Hardin |
| Given Name | John D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Wayne Township |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joseph Hardin | Head | — | 41 | ~1889 |
| Joseph Hardin | Son | — | 18 | ~1912 |
| Florence Hardin | Spouse | — | 39 | ~1891 |
| John Hardin | Son | — | 11 | ~1919 |
Census Appearances
1920
Marion, Indiana
Son, age 1
Marion, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 11
Marion, Indiana · implied b. ~1919 — 4 household members
| Surname | Hardin |
| Given Name | John D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 21
Marion-County, Indiana · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardine |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Laboratory |
| Industry | Medical School |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 70 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Hardin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Hardin (~0.92 confidence) and father Wm Hardine (~0.92 confidence) and mother Donna Hardine (~0.92 confidence) and mother Ethel Hardin (~0.92 confidence) and mother Florence Hardin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Hardin
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Wm Hardine
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Donna Hardine
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Ethel Hardin
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Florence Hardin
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hardin
Son · 1930 · age 11 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Joseph Hardin
Sibling · 1930 · age 18
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
1930 US Federal Census — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel617:0332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marjorie Barnhart | 3 | Daughter | — | Indiana |
| 52 | Alpha Mcbride | 44 | Head | — | Kansas |
| 53 | Mary Hussel | 61 | Mother | — | Ohio |
| 54 | Daniel Mcbride | 20 | Son | Laborer | Indiana |
| 55 | George Bacher | 64 | Head | Truck Gardener | Germany |
| 56 | Theresia Bacher | 62 | Wife | — | Germany |
| 57 | Charles Allen | 46 | Head | Barber | Indiana |
| 58 | Flora Allen | 44 | Wife | — | Kentucky |
| 59 | Lucile Allen | 15 | Daughter | — | Indiana |
| 60 | Alberta Allen | 13 | Daughter | — | Indiana |
| 61 | Barbara Allen | 11 | Daughter | — | Indiana |
| 62 | Charles Allen | 9 | Son | — | Indiana |
| 63 | Irvin Allen | 5 | Son | — | Indiana |
| 64 | Sarah Allen | 2 | Daughter | — | Indiana |
| 65 | Samuel Hoerger | 68 | Father-in-law | Watchman | Kentucky |
| 66 | Louisa Hoerger | 66 | Mother-in-law | — | Indiana |
| 67 | Woodford Thompson | 78 | Head | Farmer | Kentucky |
| 68 | Mary E Thompson | 77 | Wife | — | Indiana |
| 69 | Emery Thompson | 50 | Son | Farmer | Indiana |
| 70 | Henrietta Thompson | 48 | Daughter-in-law | — | Indiana |
| 71 | Faye Heath | 26 | Granddaughter | Teacher | Indiana |
| 72 | Lowell Heath | 27 | Grandson | Merchant | Indiana |
| 73 | Mary L Lowder | 79 | Head | — | Indiana |
| 74 | Deresa Lowder | 49 | Daughter | — | Indiana |
| 75 | Jane Lowder | 46 | Daughter | — | Indiana |
| 76 | William Andrews | 35 | Hired hand | Farmer | Tennessee |
| 77 | Nellie Mcclelland | 50 | Head | — | Indiana |
| 78 | Isaac J Mcclelland | 23 | Son | Teller | Oregon |
| 79 | Mary Mcclelland | 22 | Daughter | Teacher | Indiana |
| 80 | Tom Mcclelland | 16 | Son | — | Indiana |
| 81 | Louise Mcclelland | 13 | Daughter | — | Indiana |
| 82 | Margaret Mcclelland | 9 | Daughter | — | Indiana |
| 83 | Harry Mcclelland | 7 | Son | — | Indiana |
| 84 | Joseph A Hardin | 41 | Head | Farmer | Indiana |
| 85 | Florence E Hardin | 39 | Wife | — | Indiana |
| 86 | Joseph B Hardin | 18 | Son | — | Indiana |
| 87 | John D Hardin THIS PERSON | 11 | Son | — | Indiana |
| 88 | Isaac Taggart | 49 | Head | Farm Hand | Tennessee |
| 89 | Susie M Taggart | 51 | Wife | — | Indiana |
| 90 | Wiley Walicoat | 35 | Head | Laborer | Tennessee |
| 91 | Ethel Walicoat | 27 | Wife | — | Tennessee |
| 92 | Earl Walicoat | 11 | Son | — | Tennessee |
| 93 | Edna Walicoat | 8 | Daughter | — | Tennessee |
| 94 | Eugene Walicoat | 6 | Son | — | Tennessee |
| 95 | Windell Walicoat | 3 | Son | — | Indiana |
| 96 | Donald Walicoat | 1 | Son | — | Indiana |
| 97 | Raymond Redmond | 43 | Head | Farmer | Indiana |
| 98 | Florence Redmond | 42 | Wife | — | Indiana |
| 99 | Florence Redmond | 10 | Daughter | — | Indiana |
| 100 | Martha Redmond | 8 | Daughter | — | Indiana |
Pedigree Summary
John + 1 sibling
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 1930 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)