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Carl Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Carl Carlson across the 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed), with identified parents Gust & John — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Occupation | Packer |
| Industry | meat packing plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Packer |
| Township / Ward | Sioux City |
| Est. Birth Year | ~1917 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Jennie Carlson | Daughter | — | 19 | ~1921 |
| Alice Carlson | Daughter | — | 18 | ~1922 |
| Gus Carlson | Head | — | 51 | ~1889 |
| Carl Carlson | Son | — | 23 | ~1917 |
| Elmer Carlson | Son | — | 14 | ~1926 |
| Julia Carlson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Woodbury, Iowa
Son, age 5
Woodbury, Iowa · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Woodbury, Iowa
Son, age 15
Woodbury, Iowa · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Son, age 23
Woodbury-County, Iowa · implied b. ~1917 — 6 household members
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Occupation | Packer |
| Industry | meat packing plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-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 Carl Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gust Carlson (~0.92 confidence) and father John Carlson (~0.92 confidence) and father Gus Carlson (~0.92 confidence) and mother Julia Carlson (~0.92 confidence) and mother Anna Carlson (~0.92 confidence) and mother Julia Carlson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gust Carlson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
John Carlson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Gus Carlson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Julia Carlson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Anna Carlson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Julia Carlson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Carlson
Son · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
Jennie Carlson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Carlson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Carlson
Sibling · 1940 · age 18
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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01214-00926)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gus Carlson | 51 | Head | Car Man | Sweden |
| 42 | Julia Carlson | 45 | Wife | — | Sweden |
| 43 | Carl Carlson THIS PERSON | 23 | Son | Packer | Iowa |
| 44 | Jennie Carlson | 19 | Daughter | Dental Assistant | Iowa |
| 45 | Alice Carlson | 18 | Daughter | — | Iowa |
| 46 | Elmer Carlson | 14 | Son | — | Iowa |
| 48 | Tekla Anderson | 72 | Head | — | Sweden |
| 49 | Alma Anderson | 70 | Sister | — | Sweden |
| 50 | Otto Hjertstrom | 73 | Head | — | Sweden |
| 52 | Joseph E. Heenan | 34 | Head | Stationary Engineer | Nebraska |
| 53 | Ruby Heenan | 33 | Wife | — | Missouri |
| 54 | Donald Heenan | 4 | Son | — | Iowa |
| 55 | Robert Heenan | 3 | Son | — | Iowa |
| 56 | Herbert Fortner | 35 | Head | Collection Manager | Nebraska |
| 57 | Marian Fortner | 31 | Wife | — | Nebraska |
| 58 | Anne Fortner | 11 | Daughter | — | Iowa |
| 59 | Edward Fortner | 2 | Son | — | Iowa |
| 60 | Chris Jorgensen | 41 | Head | Car Inspector | Denmark |
| 61 | Anne Jorgensen | 31 | Wife | — | Iowa |
| 62 | Karen Jorgensen | 4 | Daughter | — | Iowa |
| 63 | Sharon Jorgensen | 4 | Daughter | — | Iowa |
| 64 | Rudolph Nelson | 53 | Head | Car Inspector | Sweden |
| 65 | Anna Nelson | 51 | Wife | — | Sweden |
| 66 | Verner Nelson | 16 | Son | — | Iowa |
| 67 | Arthur Bergquist | 47 | Head | Mail Carrier | Iowa |
| 68 | Josephine Bergquist | 43 | Wife | — | Iowa |
| 69 | Marie Bergquist | 19 | Daughter | — | Iowa |
| 70 | Dwight Bergquist | 16 | Son | — | Iowa |
| 71 | Christine Sharley | 76 | Mother | — | Norway |
| 72 | Elmer J. Forsberg | 48 | Head | Salesman | So. Dakota |
| 73 | Minnie S. Forsberg | 45 | Wife | — | Iowa |
| 74 | Frances Forsberg | 21 | Daughter | — | Iowa |
| 75 | Amelia Ward | 58 | Head | — | Iowa |
| 76 | Amanda Wright | 82 | Lodger | — | Illinois |
| 78 | John W. Anderson | 49 | Head | Salesman Estimator | Iowa |
| 79 | Florence Anderson | 47 | Wife | — | Iowa |
| 80 | Stanley W. Anderson | 19 | Daughter | — | Iowa |
Pedigree Summary
Carl + 3 siblings
Gen 1 · 6 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)