JH
John Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Coconino-County, Arizona
Our Model Tree links this John Hoffman across the 1920, 1930 and 1940 US Censuses in Coconino-County, Arizona (XGBoost, ~Confirmed), with identified parents Bert & Mrs — first a head (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Coconino-County, Arizona |
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Flagstaff City |
| 1935 Residence (County) | Coconino |
| Additional Details | |
| Occupation | truck driver |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 420 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Truck Driver |
| Township / Ward | Flagstaff City |
| Est. Birth Year | ~1912 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruthie Hoffman | Daughter | — | 1 | ~1939 |
| John Hoffman | Head | — | 28 | ~1912 |
| Bobby Anderson | Other | — | 19 | ~1921 |
| Rodney Anderson | Other | — | 18 | ~1922 |
| John Hoffman | Son | — | 3 | ~1937 |
| Olive Hoffman | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Coconino, Arizona
Son, age 7
Coconino, Arizona · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Michigan |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Coconino, Arizona
Son, age 18
Coconino, Arizona · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Michigan |
| Mother's Birthplace | California |
| Occupation | truck driver |
| Industry | transfer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Coconino-County, Arizona
Head, age 28
Coconino-County, Arizona · implied b. ~1912 — 6 household members
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | Flagstaff City |
| 1935 Residence (County) | Coconino |
| Occupation | truck driver |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 420 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bert Hoffman (~0.92 confidence) and mother Mrs Hoffman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bert Hoffman
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mrs Hoffman
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Head · 1940 · age 28 · b. ~1912 · Arizona
★ 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 — Coconino-County, Arizona
Open full size
1940 US Federal Census — Coconino-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00101-00080)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvin Lloyd | 33 | Lodger | Proprietor | Arizona |
| 2 | James Wesley Ingram | 42 | Head | Hiway | Kentucky |
| 3 | Patricia Potter | 34 | Head | Waitress | New York |
| 4 | Jesus Gutierrez | 25 | Head | Labor | Arizona |
| 5 | Nena Gutierrez | 21 | Wife | — | Arizona |
| 6 | Gilbert Gutierrez | 1 | Son | — | Arizona |
| 7 | Bernard Evans | 35 | Head | Cook | Texas |
| 8 | Gracie Evans | 34 | Wife | Maid | Louisiana |
| 9 | Charlie Evans | 24 | Brother | Pantry Man | Louisiana |
| 10 | Cleo Quintana | 28 | Head | Labor | New Mexico |
| 11 | Petra Quintana | 26 | Wife | — | New Mexico |
| 12 | Willie Bruce | 40 | Head | Labor | New Mexico |
| 13 | Salomon Garcia | 42 | Head | Labor | New Mexico |
| 14 | Idel Garcia | 39 | Wife | Saleslady | Arizona |
| 15 | Roberto Garcia | 15 | Son | — | Arizona |
| 16 | Julia Garcia | 13 | Daughter | — | Arizona |
| 17 | Fred Wood | 30 | Head | Proprietor | Oklahoma |
| 18 | Velma Wood | 33 | Wife | — | Oklahoma |
| 19 | Tomas Cordova | 76 | Head | — | New Mexico |
| 20 | John Hoffman THIS PERSON | 28 | Head | Truck Driver | Arizona |
| 21 | Olive R Hoffman | 21 | Wife | — | Idaho |
| 22 | John Hoffman | 3 | Son | — | Arizona |
| 23 | Ruthie Ann Hoffman | 1 | Daughter | — | Arizona |
| 24 | Bobby Anderson | 19 | Bro in law | New Worker | Wyoming |
| 25 | Rodney Anderson | 18 | Bro in law | — | Utah |
| 26 | Ardis Turner | 37 | Head | Maid | Louisiana |
| 27 | Cecil Edgar Halterman | 38 | Head | Collector | Illinois |
| 28 | Bonita Halterman | 19 | Wife | — | Arkansas |
| 29 | Patricia Ann Halterman | 1 | Daughter | — | Arizona |
| 30 | Sam Holden | 40 | Head | Clerk | Illinois |
| 31 | Anne S Holden | 38 | Wife | Stenographer | Washington |
| 32 | Shirley Holden | 14 | Daughter | — | California |
| 33 | Juan Rago | 58 | Head | Stacker | Mexico |
| 34 | Antonia Rago | 53 | Wife | — | Mexico |
| 35 | Mary Rago | 25 | Daughter | House Work | Arizona |
| 36 | Petra Rago | 23 | Daughter | Cleaning | Arizona |
| 37 | Manuela Rago | 18 | Daughter | — | Arizona |
| 38 | Camila Rago | 16 | Daughter | — | Arizona |
| 39 | Jennie Luin Rago | 15 | Daughter | — | Arizona |
| 40 | Frances Ann Rago | 13 | Daughter | — | Arizona |
Pedigree Summary
John
Gen 1 · 2 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)