JC
John Carter — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Carter across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Oral & Orville — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Carter |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Asst Chemist |
| Industry | Bakers Supplies |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Asst Chemist |
| Township / Ward | Indianapolis |
| 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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Oral Carter | Head | — | 58 | ~1882 |
| Fred Carter | Son | — | 17 | ~1923 |
| John Carter | Son | — | 21 | ~1919 |
| Bertha Carter | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Marion, Indiana
Son, age
Marion, Indiana · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | John |
| 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 — 4 household members
| Surname | Carter |
| Given Name | John |
| 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 | Asst Chemist |
| Industry | Bakers Supplies |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | H-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 Carter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oral Carter (~0.92 confidence) and father Orville Carter (~0.92 confidence) and mother Bertha Carter (~0.92 confidence) and mother Bertha Carter (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oral Carter
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Orville Carter
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Bertha Carter
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Bertha Carter
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Carter
Son · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Fred Carter
Sibling · 1940 · age 17
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 — 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-t0627-01122-00393)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lorene Van Gordon | 29 | Wife | — | Indiana |
| 42 | David Van Gordon | 17 | Son | Delivery Boy | Indiana |
| 43 | Victor Van Gordon | 15 | Son | — | Indiana |
| 44 | Anna Clark | 63 | Head | — | Indiana |
| 45 | Oral D. Carter | 58 | Head | Dentist | Indiana |
| 46 | Bertha Carter | 55 | Wife | — | Indiana |
| 47 | John Carter THIS PERSON | 21 | Son | Asst Chemist | Indiana |
| 48 | Fred Carter | 17 | Son | — | Indiana |
| 49 | William Wither | 34 | Head | Electrician | Indiana |
| 50 | Bernadeen Wither | 38 | Wife | — | Indiana |
| 51 | Thomas Wither | 5 | Son | — | Indiana |
| 52 | Joseph Wither | 4 | Son | — | Indiana |
| 53 | William Shirley | 51 | Head | Laborer | Indiana |
| 54 | Mary Shirley | 46 | Wife | — | Indiana |
| 55 | John Shirley | 11 | Son | — | Indiana |
| 56 | William Jr. Shirley | 9 | Son | — | Indiana |
| 57 | Mary Ann Shirley | 5 | Daughter | — | Indiana |
| 58 | Charles F. Rule | 26 | Head | Mail Carrier | Indiana |
| 59 | Elizabeth Rule | 22 | Wife | — | Indiana |
| 60 | Helen Louise Rule | 1 | Daughter | — | Indiana |
| 61 | Charles F. Jr. Rule | 0 | Son | — | Indiana |
| 62 | Patty Earl D. Rule | 16 | Brother-in-law | New Worker | Indiana |
| 63 | Arthur P. Hamilton | 42 | Head | Machinist | Indiana |
| 64 | Marie Hamilton | 47 | Wife | — | Kentucky |
| 65 | Ronald Hamilton | 15 | Son | — | Indiana |
| 66 | Dorothy Hamilton | 11 | Daughter | — | Michigan |
| 67 | Mary A. Hamilton | 9 | Daughter | — | Indiana |
| 68 | Jack Hardin | 35 | Head | Carpenter | Indiana |
| 69 | Margaret Hardin | 28 | Wife | — | Kentucky |
| 70 | Margaret L. Hardin | 8 | Daughter | — | Indiana |
| 71 | Lois Jean Hardin | 3 | Daughter | — | Indiana |
| 72 | Everett Smith | 39 | Head | Mechanic | Indiana |
| 73 | Doris Smith | 40 | Wife | — | Ohio |
| 74 | Wallace Smith | 17 | Son | — | Indiana |
| 75 | Jeanne Smith | 11 | Daughter | — | Indiana |
| 76 | Rolland Schad | 39 | Head | Retail Salesman | Indiana |
| 77 | Rowena Schad | 29 | Wife | Inspector | Indiana |
| 78 | Margaret J. Schad | 14 | Daughter | — | Indiana |
| 79 | Nelva Schad | 10 | Daughter | — | Indiana |
| 80 | Philip Schad | 5 | Son | — | Indiana |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 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)