JH
John Huffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Huffman across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Henry & William — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Huffman |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Clerk |
| Industry | Hardware |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 540 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Clerk |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| John Huffman | Son | — | 24 | ~1916 |
| Henry Huffman | Head | — | 66 | ~1874 |
| Lucy Huffman | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Marion, Indiana
Son, age 3
Marion, Indiana · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 13
Marion, Indiana · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 24
Marion-County, Indiana · implied b. ~1916 — 3 household members
| Surname | Huffman |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Clerk |
| Industry | Hardware |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 540 |
| 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 Huffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Huffman (~0.92 confidence) and father William Huffman (~0.92 confidence) and father William Huffman (~0.92 confidence) and mother Josephine Huffman (~0.92 confidence) and mother Lucy Huffman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Huffman
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Huffman
b. ~1878
Source father
● Household
· direct · ~0.92
Father
William Huffman
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Josephine Huffman
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Lucy Huffman
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Huffman
Son · 1940 · age 24 · b. ~1916 · 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01129-00447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 3 | Charles B. Ballard | 72 | Head | Plasterer | Indiana |
| 4 | Ada R. Ballard | 64 | Wife | — | Indiana |
| 5 | Russell Yoder | 23 | Head | Baker | Indiana |
| 6 | Winifred Yoder | 20 | Wife | — | Indiana |
| 7 | Judith J. Yoder | 0 | Daughter | — | Indiana |
| 8 | Albert Mahulin | 23 | Head | Laborer | Indiana |
| 9 | Virginia Mahulin | 20 | Wife | — | Indiana |
| 10 | Ronald Mahulin | 1 | Son | — | Indiana |
| 11 | Henry Huffman | 66 | Head | Laborer | Indiana |
| 12 | Lucy G. Huffman | 55 | Wife | — | Indiana |
| 13 | John M. Huffman THIS PERSON | 24 | Son | Clerk | Indiana |
| 16 | James C. Calvert | 29 | Head | Glass Packer | Kentucky |
| 17 | Grace E. Calvert | 28 | Wife | — | Indiana |
| 18 | Marilyn P. Calvert | 5 | Daughter | — | Indiana |
| 19 | Roy Welsh | 53 | Head | Operator | Kentucky |
| 20 | Lillian M. Welsh | 52 | Wife | — | Indiana |
| 21 | William F. Dorgany | 84 | Head | Laborer | Germany |
| 22 | Clara L. Dorgany | 55 | Wife | — | Indiana |
| 23 | Philip V. Neaux | 21 | Lodger | Laborer | Indiana |
| 24 | Ray S. Henricks | 51 | Head | Interior Decorator | Indiana |
| 25 | Pearl M. Henricks | 43 | Wife | — | Indiana |
| 26 | Rose C. Payne | 66 | Head | — | Indiana |
| 27 | Arnold Lola Payne | 41 | Daughter | Punch Press Operator | Indiana |
| 28 | Arnold William Payne | 61 | Son-in-law | Bartender | Kentucky |
| 29 | Ira J. Swartz | 42 | Head | Engineer | Indiana |
| 30 | Nell M. Swartz | 42 | Wife | — | Indiana |
| 31 | James Swartz | 20 | Son | Clerk | Indiana |
| 32 | Donald J. Swartz | 16 | Son | — | Indiana |
| 33 | Frank W. Kenyon | 60 | Head | Painter | Indiana |
| 34 | Clara B. Kenyon | 55 | Wife | — | Indiana |
| 35 | Frank Kenyon | 23 | Son | Labour | Indiana |
| 36 | Jacqueline Kenyon | 12 | Daughter | — | Indiana |
| 37 | Joseph H. Reed | 23 | Son-in-law | Labour | Indiana |
| 38 | Thelma Reed | 25 | Daughter | — | Indiana |
| 39 | Melvyn H. Reed | 5 | Grandson | — | Indiana |
| 40 | Marie F. Herrington | 40 | Head | — | Indiana |
Pedigree Summary
John
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 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)