JG
John Gardner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hancock-County, Indiana
Our Model Tree links this John Gardner across the 1920, 1930 and 1940 US Censuses in Hancock-County, Indiana (XGBoost, ~Confirmed), with identified parents Earl & Paul — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hancock-County, Indiana |
| Surname | Gardner |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Greenfield |
| 1935 Residence (County) | Hancock |
| Additional Details | |
| Occupation | Labor |
| Industry | Medical Manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1472 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Labor |
| Township / Ward | Greenfield |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Martha Diemer | Daughter | — | 55 | ~1885 |
| John Gardner | Head | — | 30 | ~1910 |
| Mildred Gardner | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Hancock, Indiana
Son, age 10
Hancock, Indiana · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Hancock, Indiana
Son, age 20
Hancock, Indiana · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Salesman |
| Industry | T. S. Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Hancock-County, Indiana
Head, age 30
Hancock-County, Indiana · implied b. ~1910 — 3 household members
| Surname | Gardner |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Greenfield |
| 1935 Residence (County) | Hancock |
| Occupation | Labor |
| Industry | Medical Manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1472 |
| Highest Grade | Hs 4 |
| 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 Gardner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Gardner (~0.92 confidence) and father Paul Gardner (~0.92 confidence) and mother Teresa Gardner (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Gardner
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Paul Gardner
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Teresa Gardner
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gardner
Head · 1940 · age 30 · b. ~1910 · Indiana
★ 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 — Hancock-County, Indiana
Open full size
1940 US Federal Census — Hancock-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01050-00888)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rachel Robb | 86 | Head | — | Indiana |
| 2 | Minnie Hamilton | 67 | Lodger | — | Indiana |
| 3 | John L. Parro | 52 | Head | General Director | Indiana |
| 4 | Flossie R. Parro | 46 | Wife | — | Indiana |
| 5 | Marilyn Parro | 17 | Daughter | — | Indiana |
| 6 | Owen W. Wallace | 31 | Head | Body Builder | Indiana |
| 7 | Lucille Wallace | 27 | Wife | — | Indiana |
| 8 | Joan Wallace | 11 | Daughter | — | Indiana |
| 9 | Ivan C. Wallace | 9 | Son | — | Indiana |
| 10 | Ronald W. Wallace | 7 | Son | — | Indiana |
| 11 | John L. Gardner THIS PERSON | 30 | Head | Labor | Indiana |
| 12 | Mildred Gardner | 34 | Wife | Telephone Operator | Indiana |
| 13 | Martha Diemer | 55 | Daughter | Child Nurse | Kentucky |
| 14 | Estella Martin | 55 | Head | — | Indiana |
| 15 | Gaynell Martin | 51 | Sister | — | Indiana |
| 16 | W. V. Eikenberry | 48 | Head | Proprietor | Nebraska |
| 17 | Anna Eikenberry | 43 | Wife | — | Indiana |
| 18 | Bill D. Eikenberry | 20 | Son | Clerk | Indiana |
| 19 | Nellie Kintz | 63 | Maid | Housekeeper | Indiana |
| 20 | Bruce H. Noble | 46 | Head | Manager | Indiana |
| 21 | Lucila D. Noble | 46 | Wife | — | Indiana |
| 22 | Richard A. Noble | 17 | Son | Clerk | Indiana |
| 23 | Chester S. Hutton | 47 | Head | Auto Mechanic | Indiana |
| 24 | Marie Hutton | 44 | Wife | — | Indiana |
| 25 | Ralph Leon Hutton | 21 | Son | Mechanic | Indiana |
| 26 | Louis L. Hutton | 16 | Son | — | Indiana |
| 27 | Phyllis Hutton | 12 | Daughter | — | Indiana |
| 28 | Barbara J. Hutton | 12 | Daughter | — | Indiana |
| 29 | Eunice Swain | 49 | Head | — | Indiana |
| 30 | Evelyn Swain | 19 | Daughter | Bookkeeper | Indiana |
| 31 | Jackie G. Swain | 10 | Son | — | Indiana |
| 32 | J. C. D. Griffith | 45 | Head | Principal | Indiana |
| 33 | Mary R. Griffith | 45 | Wife | — | Indiana |
| 34 | Richard Griffith | 20 | Son | Clerk | Indiana |
| 35 | Warren Griffith | 19 | Son | Clerk | Indiana |
| 36 | Jesse Seward | 59 | Head | Barber | Indiana |
| 37 | Vera Seward | 62 | Wife | — | Indiana |
| 38 | Dale Bell | 26 | Head | Machinist | Indiana |
| 39 | Evelyn Bell | 24 | Wife | Beauty Operator | Indiana |
| 40 | Gladys Taylor | 30 | Head | Bookkeeper | Indiana |
Pedigree Summary
John
Gen 1 · 3 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)