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John Connor — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Connor across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 3-person household.
Age 74
b. ~1866
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Connor |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1866 |
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 |
|---|---|---|---|---|
| Katherine Connor | Daughter | — | 39 | ~1901 |
| John Connor | Head | — | 74 | ~1866 |
| Mary Connor | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Marion, Indiana
Head, age 52
Marion, Indiana · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connor |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Head, age 63
Marion, Indiana · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conner |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 33 |
| Father's Birthplace | W. Ireland |
| Mother's Birthplace | W. Ireland |
| Occupation | Blacksmith |
| Industry | Blacksmith Shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Marion-County, Indiana
Head, age 74
Marion-County, Indiana · implied b. ~1866 — 3 household members
| Surname | Connor |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Highest Grade | No 8 |
| 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 John Connor across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Connor
Head · 1940 · age 74 · b. ~1866 · Indiana
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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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01128-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hershal Scott | 33 | Head | Helper | Kentucky |
| 42 | Violet O Scott | 31 | Wife | Bundler | Kentucky |
| 43 | Donald Scott | 11 | Son | — | Kentucky |
| 44 | John Connor THIS PERSON | 74 | Head | — | Ohio |
| 45 | Mary E Connor | 69 | Wife | — | Ireland |
| 46 | Katherine Connor | 39 | Daughter | File Clerk | Indiana |
| 47 | Mitchell Daugherty | 60 | Head | — | Indiana |
| 48 | Ellen O Daugherty | 59 | Sister | — | Indiana |
| 49 | Thomas W Foster | 61 | Head | Body Builder | Indiana |
| 50 | June Foster | 62 | Wife | — | Indiana |
| 51 | Johnnie Stuart | 68 | Head | Carpenter | Indiana |
| 52 | Frances O Stuart | 70 | Wife | — | Indiana |
| 53 | Oris Todd | 58 | Son-in-law | Foreman | Indiana |
| 54 | Ileen Todd | 48 | Daughter | — | Indiana |
| 55 | Herman Eckstein | 36 | Head | — | Germany |
| 56 | Mary O Eckstein | 36 | Wife | Wrapper | Indiana |
| 57 | Betty Eckstein | 17 | Daughter | — | Indiana |
| 58 | Charlie Moss | 30 | Head | Feeder | Kansas |
| 59 | Ruby Moss | 28 | Wife | — | Missouri |
| 60 | Connie Moss | 4 | Daughter | — | Indiana |
| 61 | John Moss | 2 | Son | — | Indiana |
| 62 | Charlotte Moss | 0 | Daughter | — | Indiana |
| 63 | Ester Wellhoite | 21 | Lodger | Waitress | Indiana |
| 64 | Adam Waggoner | 56 | Head | Mechanic | Indiana |
| 65 | Margaret Waggoner | 60 | Wife | — | Indiana |
| 66 | Thomas Stanfield | 23 | Lodger | Labor | Indiana |
| 67 | Norma O Conner | 44 | Head | Packer | Indiana |
| 68 | June Conner | 16 | Daughter | — | Indiana |
| 69 | James Henning | 67 | Head | Machinist | Kentucky |
| 70 | Elnora O Henning | 69 | Wife | — | Kentucky |
| 71 | Herbert Jenkins | 22 | Head | Mill Man | Tennessee |
| 72 | Ester O Jenkins | 26 | Wife | — | Indiana |
| 73 | Lawrence Simmons | 29 | Head | — | Indiana |
| 74 | Rosemary Simmons | 21 | Wife | — | Indiana |
| 75 | Joan Simmons | 1 | Daughter | — | Indiana |
| 76 | Frederick Simmons | 1 | Son | — | Indiana |
| 77 | Pete Alyoff | 43 | Head | — | — |
| 78 | Francis Alyoff | 36 | Wife | — | — |
| 79 | Lillian Alyoff | 8 | Daughter | — | — |
| 80 | Danny Alyoff | 5 | Son | — | — |
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)