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Harry Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Harry Hoffman across the 1910, 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents John & Thomas — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Hoffman |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Rep. man |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Rep. Man |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1905 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Jane Hoffman | Daughter | — | 7 | ~1933 |
| Harry Hoffman | Head | — | 35 | ~1905 |
| Katherine Hoffman | Spouse | — | 29 | ~1911 |
| Harriett Hoffman | Daughter | — | 11 | ~1929 |
Census Appearances
1910
Marion, Indiana
Son, age 5
Marion, Indiana · implied b. ~1905 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huffman |
| Given Name | Harry A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Speaks English | English |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Son, age 15
Marion, Indiana · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Head, age 25
Marion, Indiana · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | Harry C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 22 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Installer |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4800 |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 35
Marion-County, Indiana · implied b. ~1905 — 4 household members
| Surname | Hoffman |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Rep. man |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2500 |
| 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 Harry Hoffman across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hoffman (~0.92 confidence) and father Thomas Huffman (~0.92 confidence) and mother Julia Huffman (~0.92 confidence) and mother Martha Hoffman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hoffman
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Thomas Huffman
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Julia Huffman
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Martha Hoffman
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Hoffman
Head · 1940 · age 35 · b. ~1905 · 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
40 people indexed on this census page (nara:1940:m-t0627-01130-00447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Spear | 42 | Head | Salesman | Indiana |
| 42 | Bessie Spear | 42 | Wife | — | Indiana |
| 43 | Olive Spear | 17 | Son | — | Indiana |
| 44 | Robt Spear | 9 | Son | — | Indiana |
| 45 | Loren C. Tracy | 33 | Head | Clerk | Indiana |
| 46 | Edith Tracy | 30 | Wife | — | Indiana |
| 47 | Howard Tracy | 1 | Son | — | Indiana |
| 48 | Henry Bitz | 59 | Head | Foreman | Germany |
| 49 | Mary Bitz | 57 | Wife | — | Indiana |
| 50 | Ira Gaston | 45 | Head | Agent | Indiana |
| 51 | Fern Gaston | 43 | Wife | — | Indiana |
| 52 | Ira Jr. Gaston | 23 | Son | Salesman | Indiana |
| 53 | Robt Gaston | 20 | Son | — | Indiana |
| 54 | Jean Gaston | 13 | Daughter | — | Indiana |
| 55 | Huey Fischer | 44 | Head | — | Indiana |
| 56 | Herman Fischer | 22 | Son | Bookkeeper | Indiana |
| 57 | Geo Mitchell | 61 | Head | — | Kentucky |
| 58 | Almira Mitchell | 58 | Wife | — | Kentucky |
| 59 | Iva Mitchell | 35 | Daughter | Salesman | Indiana |
| 60 | Veneda Mitchell | 27 | Daughter | Typist | Indiana |
| 61 | Willetta Mitchell | 16 | Daughter | — | Indiana |
| 62 | Geo E Mitchell | 37 | Head | Truck Driver | Indiana |
| 63 | Okel Mitchell | 28 | Wife | — | Indiana |
| 64 | Evelyn Mitchell | 14 | Daughter | — | Indiana |
| 65 | Caroline Mitchell | 12 | Daughter | — | Indiana |
| 66 | Harry Hoffman THIS PERSON | 35 | Head | Rep. Man | Indiana |
| 67 | Katherine Hoffman | 29 | Wife | — | Indiana |
| 68 | Harriett Hoffman | 11 | Daughter | — | Indiana |
| 69 | Jane Hoffman | 7 | Daughter | — | Indiana |
| 70 | Earl Buchanan | 53 | Head | Employ. Mgr | Kentucky |
| 71 | Millie Buchanan | 51 | Wife | — | Kentucky |
| 72 | Grace Buchanan | 19 | Daughter | — | Indiana |
| 73 | Irwin Kleiner | 26 | Head | Jeweler | Indiana |
| 74 | Marge Kleiner | 24 | Wife | Clerk | Indiana |
| 75 | Carl Tingle | 35 | Head | Machinist | Indiana |
| 76 | Olga Tingle | 34 | Wife | — | Indiana |
| 77 | Worthy Tingle | 8 | Daughter | — | Indiana |
| 78 | Robt Tingle | 13 | Brother | — | Indiana |
| 79 | Albert A Smith | 36 | Head | Operator | Indiana |
| 80 | Blanch Smith | 33 | Wife | — | N. Dak |
Pedigree Summary
Harry
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)