CH
Charles Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pocahontas-County, Iowa
Our Model Tree links this Charles Hoffman across the 1920, 1930 and 1940 US Censuses in Pocahontas-County, Iowa (XGBoost, ~Confirmed), with identified parents Lena & Frank — first a son (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pocahontas-County, Iowa |
| Surname | Hoffman |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Twp |
| 1935 Residence (County) | Sac |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 128 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Cedar Twp |
| Est. Birth Year | ~1907 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Luella Hoffman | Daughter | — | 36 | ~1904 |
| Lena Hoffman | Head | — | 71 | ~1869 |
| Guy Hoffman | Son | — | 47 | ~1893 |
| Charles Hoffman | Son | — | 33 | ~1907 |
Census Appearances
1920
Pocahontas, Iowa
Son, age 10
Pocahontas, Iowa · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huffman |
| Given Name | Carl E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pocahontas, Iowa
Son, age 20
Pocahontas, Iowa · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Carl E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Farm Hand |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pocahontas-County, Iowa
Son, age 33
Pocahontas-County, Iowa · implied b. ~1907 — 4 household members
| Surname | Hoffman |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Twp |
| 1935 Residence (County) | Sac |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 128 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Charles Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Lena Hoffman (~0.92 confidence) and father Frank Huffman (~0.92 confidence) and mother Anna Huffman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lena Hoffman
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
Frank Huffman
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Anna Huffman
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Hoffman
Son · 1940 · age 33 · b. ~1907 · Iowa
★ You are viewing this record
Sibling
Guy Hoffman
Sibling · 1940 · age 47
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luella Hoffman
Sibling · 1940 · age 36
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 — Pocahontas-County, Iowa
Open full size
1940 US Federal Census — Pocahontas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01191-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wesley Fritz | 10 | Son | — | Iowa |
| 42 | Norman Fritz | 10 | Son | — | Iowa |
| 43 | Alice Fritz | 6 | Daughter | — | Iowa |
| 44 | Marcella Fritz | 4 | Daughter | — | Iowa |
| 45 | Floyd C. Smith | 25 | Head | Carpenter | Iowa |
| 46 | Viola M. Smith | 20 | Wife | — | Iowa |
| 47 | Frank Charles Smith | 1 | Son | — | Iowa |
| 48 | Norman Bouncer | 49 | Head | Laborer | Oklahoma |
| 49 | Ada Bouncer | 51 | Wife | — | Iowa |
| 50 | Marvin Knophten | Knopten | 35 | Head | Truck Driver | Iowa |
| 51 | Irene Knophten | Knopten | 26 | Wife | — | Iowa |
| 52 | John Knophten | Knopten | 9 | Son | — | Iowa |
| 53 | Donald White | 22 | Brother | — | Iowa |
| 54 | Lena A. Hoffman | 71 | Head | — | Illinois |
| 55 | Luella Hoffman | 36 | Daughter | — | Iowa |
| 56 | Guy Hoffman | 47 | Son | Laborer | Illinois |
| 57 | Charles Hoffman THIS PERSON | 33 | Son | Laborer | Iowa |
| 58 | George A. Jr. Busby | 28 | Head | Laborer | Iowa |
| 59 | Beulah Busby | 25 | Wife | — | Iowa |
| 60 | Ronald Busby | 4 | Son | — | Iowa |
| 61 | Francis Tice | 39 | Head | Laborer | New Jersey |
| 62 | Carrie Tice | 38 | Wife | — | Iowa |
| 63 | Frances Tice | 14 | Daughter | — | Iowa |
| 64 | John Tice | 12 | Son | — | Iowa |
| 65 | Marilyn Tice | 4 | Daughter | — | Iowa |
| 66 | Amil E. Carlson | 51 | Head | Farmer | Sweden |
| 67 | Minnie Carlson | 45 | Wife | — | Iowa |
| 68 | Marion Vivian Carlson | 18 | Daughter | — | Iowa |
| 69 | F. Ernest | 20 | Son-in-law | Laborer | Iowa |
| 70 | Jens Seglen | 64 | Head | Farmer | Norway |
| 71 | Susan Seglen | 50 | Wife | — | Illinois |
| 72 | Arnold A. Seglen | 20 | Son | — | Iowa |
| 73 | Agnes E. Seglen | 16 | Daughter | — | Iowa |
| 74 | Earl Perry | 46 | Head | Farmer | Iowa |
| 75 | Bessie Perry | 44 | Wife | — | Iowa |
| 76 | Lloyd Green | 44 | Head | Farmer | Iowa |
| 77 | Myrtle Green | 41 | Wife | — | Iowa |
| 78 | Donald Green | 16 | Son | — | Iowa |
| 79 | Nadine Green | 11 | Daughter | — | Iowa |
| 80 | Charles Green | 75 | Father | — | Michigan |
Pedigree Summary
Charles + 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)