JK
John Kuhn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Kuhn across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Anthony & Anthony — first a son (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Kuhn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Clerical |
| Industry | Wholesale Oil Co |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Clerical |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Kuhn | Son | — | 31 | ~1909 |
| Marjorie Lyons | Daughter | — | 19 | ~1921 |
| Anthony Kuhn | Son | — | 33 | ~1907 |
| Woodrow Lyons | Other | — | 22 | ~1918 |
| Anthony Kuhn | Head | — | 69 | ~1871 |
Census Appearances
1920
Marion, Indiana
Son, age 11
Marion, Indiana · implied b. ~1909 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 21
Marion, Indiana · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kuhn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Book-Keep |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 31
Marion-County, Indiana · implied b. ~1909 — 5 household members
| Surname | Kuhn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Clerical |
| Industry | Wholesale Oil Co |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 Kuhn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Anthony Kuhn (~0.92 confidence) and father Anthony Kuhn (~0.92 confidence) and mother Elsie Kuhn (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anthony Kuhn
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Anthony Kuhn
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Elsie Kuhn
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Kuhn
Son · 1940 · age 31 · b. ~1909 · Indiana
★ You are viewing this record
Sibling
Marjorie Lyons
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Kuhn
Sibling · 1940 · age 33
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-t0627-01128-00010)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dale Lucas | 35 | Head | Welder | Indiana |
| 42 | Alberta Lucas | 38 | Wife | — | Indiana |
| 43 | James Lucas | 2 | Son | — | Indiana |
| 44 | George A Acton | 33 | Head | Business Agent | Indiana |
| 45 | Esther B Acton | 33 | Wife | — | Indiana |
| 46 | Joyce Acton | 14 | Daughter | — | Indiana |
| 47 | Betty Jo Acton | 9 | Daughter | — | Indiana |
| 48 | David Acton | 6 | Son | — | Indiana |
| 49 | Clifford Ridge | 36 | Brother in law | — | Indiana |
| 50 | Carrie Johnson | 69 | Mother in law | — | Indiana |
| 51 | Harold Fleischmann | 33 | Head | Clerical | Ohio |
| 52 | Antoinette Fleischmann | 33 | Wife | — | Indiana |
| 53 | Judith Ann Fleischmann | 6 | Daughter | — | Indiana |
| 54 | Joseph Fleischmann | 3 | Son | — | Indiana |
| 55 | Della Felton | 75 | Head | — | Iowa |
| 56 | Ruth Felton | 33 | Daughter | — | Indiana |
| 57 | Lydia Byrum | 65 | Lodger | — | Kentucky |
| 58 | Mona Jones | 35 | Lodger | — | Indiana |
| 59 | Thomas Sr Heininger | 38 | Head | Dye Maker | Indiana |
| 60 | Leona Heininger | 33 | Wife | — | Indiana |
| 61 | Thomas Jr Heininger | 15 | Son | — | Indiana |
| 62 | Donna Mae Heininger | 11 | Daughter | — | Indiana |
| 63 | Theresa Crouse | 65 | Head | — | Kentucky |
| 64 | Karl Crouse | 34 | Son | Auditor | Kentucky |
| 65 | Mary Cecil | 74 | Sister | — | Kentucky |
| 66 | Mary Meier | 73 | Head | — | Indiana |
| 67 | Irene Bailey | 42 | Daughter | Floor Lady | Indiana |
| 68 | Margaret Smith | 40 | Daughter | Clerical | Indiana |
| 69 | Anthony Kuhn | 69 | Head | Janitor | France |
| 70 | Anthony Jr Kuhn | 33 | Son | Peddler | Indiana |
| 71 | John Kuhn THIS PERSON | 31 | Son | Clerical | Indiana |
| 72 | Woodrow Lyons | 22 | Son in law | Clerical | Indiana |
| 73 | Marjorie Lyons | 19 | Daughter | — | Indiana |
| 74 | Charles L Brooks | 52 | Head | Salesman | Indiana |
| 75 | Katherine Brooks | 51 | Wife | — | Indiana |
| 76 | Betty Jean Brooks | 17 | Daughter | — | Indiana |
| 77 | Rosemary Brooks | 13 | Daughter | — | Indiana |
| 78 | Harold Brooks | 10 | Son | — | Indiana |
| 79 | James R Mckenzie | 46 | Head | Plumber | Indiana |
| 80 | Ann Mckenzie | 46 | Wife | — | Missouri |
Pedigree Summary
John + 2 siblings
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)