CC
Charles Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crawford-County, Iowa
Our Model Tree links this Charles Carlson across the 1920, 1930 and 1940 US Censuses in Crawford-County, Iowa (XGBoost, ~Confirmed), with identified parents Albin & A — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Iowa |
| Surname | Carlson |
| Given Name | Charles F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Willow Twp. |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Willow Twp |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Carlson | Head | — | 28 | ~1912 |
| Loyd Carlson | Son | — | 2 | ~1938 |
| Clara Carlson | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Crawford, Iowa
Son, age 7
Crawford, Iowa · implied b. ~1913 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Crawford, Iowa
Son, age 18
Crawford, Iowa · implied b. ~1912 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Gen. Farm |
| Class of Worker | VVVV W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Crawford-County, Iowa
Head, age 28
Crawford-County, Iowa · implied b. ~1912 — 3 household members
| Surname | Carlson |
| Given Name | Charles F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Willow Twp. |
| 1935 Residence (County) | Crawford |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| 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 Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albin Carlson (~0.92 confidence) and father A Carlson (~0.92 confidence) and mother Alice Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albin Carlson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
A Carlson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Alice Carlson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Carlson
Head · 1940 · age 28 · b. ~1912 · Iowa
★ 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 — Crawford-County, Iowa
Open full size
1940 US Federal Census — Crawford-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01152-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Hallock | 46 | Head | Farmer | Missouri |
| 42 | Ione Hallock | 32 | Wife | Farmer | Iowa |
| 43 | Gordon Hallock | 9 | Son | — | Iowa |
| 44 | Jolene Hallock | 6 | Daughter | — | Iowa |
| 45 | Marilyn Hallock | 4 | Daughter | — | Iowa |
| 46 | Julia Hallock | 2 | Daughter | — | Iowa |
| 47 | Katherine Madden | 42 | Lodger | Teacher | Iowa |
| 48 | Edward Heberling | 51 | Head | Farmer | Iowa |
| 49 | Alvera Heberling | 15 | Daughter | — | Iowa |
| 50 | Elmer Schultz | 36 | Head | Farmer | Iowa |
| 51 | Adela Schultz | 34 | Wife | — | Iowa |
| 52 | Joan Schultz | 3 | Daughter | — | Iowa |
| 53 | Laurence Cross | 19 | Hired Man | Laborer | Iowa |
| 54 | Donald Hunter | 36 | Head | Farmer | Iowa |
| 55 | Martha Hunter | 35 | Wife | — | Iowa |
| 56 | Dolores Hunter | 9 | Daughter | — | Iowa |
| 57 | Donald Jr. Hunter | 5 | Son | — | Iowa |
| 58 | Dean Hunter | 0 | Son | — | Iowa |
| 59 | Charles F. Carlson THIS PERSON | 28 | Head | Farmer | Iowa |
| 60 | Clara Carlson | 21 | Wife | — | Iowa |
| 61 | Loyd Carlson | 2 | Son | — | Iowa |
| 62 | David Ballantyne | 64 | Head | Farmer | Iowa |
| 63 | Rachel Ballantyne | 58 | Sister | — | Iowa |
| 64 | John Zapf | 32 | Head | Farmer | Iowa |
| 65 | Leona Zapf | 28 | Wife | — | Iowa |
| 66 | Clarence Zapf | 9 | Son | — | Iowa |
| 67 | Ralph Adams | 60 | Hired Man | Laborer | Illinois |
| 68 | Edward Preul | 36 | Head | Farmer | Iowa |
| 69 | Elma Preul | 26 | Wife | — | Iowa |
| 70 | Robert Preul | 4 | Son | — | Iowa |
| 71 | Norma Jean Preul | 1 | Daughter | — | Iowa |
| 72 | Max Kohl | 61 | Head | Farmer | Switzerland |
| 73 | Lydia Kohl | 49 | Wife | — | Switzerland |
| 74 | Alford Kohl | 16 | Son | Laborer | Missouri |
| 75 | Elsie Kohl | 15 | Daughter | — | Missouri |
| 76 | Hans G. Mildenstein | 40 | Head | Farmer | Germany |
| 77 | Clara D. Mildenstein | 42 | Wife | — | Germany |
| 78 | Bernard Schroeder | 58 | Head | Farmer | Germany |
| 79 | Amelia Schroeder | 59 | Wife | — | Germany |
| 80 | Bernard Jr. Schroeder | 20 | Son | Laborer | Iowa |
Pedigree Summary
Charles
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)