AC
Albert Carlson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Iowa
Our Model Tree links this Albert Carlson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 5-person household.
Age 59
b. ~1881
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Iowa |
| Surname | Carlson |
| Given Name | Albert O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 8 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Leland Town |
| Est. Birth Year | ~1881 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Albert | Age | Birth yr |
|---|---|---|---|---|
| Anne Carlson | Spouse | — | 61 | ~1879 |
| Ruth Carlson | Daughter | — | 30 | ~1910 |
| Albert Carlson | Head | — | 59 | ~1881 |
| Agnes Carlson | Daughter | — | 28 | ~1912 |
| Ethel Carlson | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Winnebago, Iowa
Head, age 39
Winnebago, Iowa · implied b. ~1881 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Albert O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Gen farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Winnebago, Iowa
Other, age 49
Winnebago, Iowa · implied b. ~1881 — 46 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Albert |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | farmer |
| Industry | general farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Winnebago-County, Iowa
Head, age 59
Winnebago-County, Iowa · implied b. ~1881 — 5 household members
| Surname | Carlson |
| Given Name | Albert O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Winnebago |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 8 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| 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 Albert Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Albert Carlson
Head · 1940 · age 59 · b. ~1881 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Winnebago-County, Iowa
Open full size
1940 US Federal Census — Winnebago-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01213-00199)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James O. Mccroden | 58 | Head | Farmer | Iowa |
| 2 | Alice Mccroden | 54 | Wife | — | Iowa |
| 3 | Ollie A. Peterson | 75 | Head | Farmer | Minnesota |
| 4 | Alice Peterson | 21 | Daughter | Servant | Iowa |
| 5 | Lewis E. Knutson | 48 | Head | Farmer | Iowa |
| 6 | Evelyn Knutson | 34 | Wife | — | Iowa |
| 7 | Ellanor Knutson | 17 | Daughter | — | Iowa |
| 8 | Floyd Knutson | 11 | Son | — | Iowa |
| 9 | Oscar J. Ambroson | 49 | Head | Farmer | Iowa |
| 10 | Tilda Ambroson | 49 | Wife | — | Iowa |
| 11 | Oscar M. Ambroson | 21 | Son | Farm Laborer | Iowa |
| 12 | Margaret Ambroson | 15 | Daughter | — | Iowa |
| 13 | Roger Ambroson | 9 | Son | — | Iowa |
| 14 | Arnold Ambroson | 27 | Head | Farm Laborer | Iowa |
| 15 | Jean Ambroson | 20 | Wife | — | Iowa |
| 16 | Karen Ambroson | 0 | Daughter | — | Iowa |
| 17 | Willard Langerud | 27 | Head | Truck Driver | Iowa |
| 18 | Helen Langerud | 24 | Wife | Postmistress | Iowa |
| 19 | Mary E. Buren | 63 | Head | — | Wisconsin |
| 20 | John Mcgrevey | 74 | Brother | — | Wisconsin |
| 21 | Albert O. Carlson THIS PERSON | 59 | Head | Farmer | Iowa |
| 22 | Anne Carlson | 61 | Wife | — | Norway |
| 23 | Ruth Carlson | 30 | Daughter | Servant | Iowa |
| 24 | Agnes A. Carlson | 28 | Daughter | — | Iowa |
| 25 | Ethel A. Carlson | 19 | Daughter | — | Iowa |
| 26 | Roy Cleveland | 35 | Head | Lumber Sawing | Iowa |
| 27 | Olga Cleveland | 35 | Wife | — | Iowa |
| 28 | Lola M. Cleveland | 4 | Daughter | — | Iowa |
| 29 | Vern Cleveland | 3 | Son | — | Iowa |
| 30 | Donna L. Cleveland | 1 | Daughter | — | Iowa |
| 31 | Margie Cleveland | 0 | Daughter | — | Iowa |
| 32 | John Devlande | 26 | Hired hand | Hired Helper | Iowa |
| 33 | Helmer P. Branstad | 46 | Head | Farmer | Iowa |
| 34 | Hazel Branstad | 42 | Wife | — | Iowa |
| 35 | Carl Branstad | 19 | Son | — | Iowa |
| 36 | Helene Branstad | 17 | Daughter | — | Iowa |
| 37 | Edward Branstad | 16 | Son | — | Iowa |
| 38 | Hubert Branstad | 13 | Son | — | Iowa |
| 39 | John A. Shilbred | 40 | Head | Farmer | Norway |
| 40 | Harold R. Shilbred | 14 | Son | — | Iowa |
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)