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Carl Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bayfield-County, Wisconsin
Our Model Tree links this Carl Carlson across the 1910, 1920, 1930 and 1940 US Censuses in Bayfield-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bayfield-County, Wisconsin |
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Kelly Township |
| 1935 Residence (County) | Bayfield |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Kelly Township |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| Hilda Carlson | Daughter | — | 25 | ~1915 |
| Dagny Carlson | Daughter | — | 36 | ~1904 |
| Charles Carlson | Head | — | 83 | ~1857 |
| James Carlson | Son | — | 9 | ~1931 |
| Carl Carlson | Son | — | 31 | ~1909 |
| Augusta Carlson | Spouse | — | 67 | ~1873 |
Census Appearances
1910
Bayfield, Wisconsin
Son, age 2
Bayfield, Wisconsin · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Bayfield, Wisconsin
Son, age 10
Bayfield, Wisconsin · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Bayfield, Wisconsin
Other, age 20
Bayfield, Wisconsin · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl W. |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Bayfield-County, Wisconsin
Son, age 31
Bayfield-County, Wisconsin · implied b. ~1909 — 6 household members
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Kelly Township |
| 1935 Residence (County) | Bayfield |
| Hours Worked | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Carlson (~0.92 confidence) and father Charles Carlson (~0.92 confidence) and mother Augusta Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Carlson
b. ~1857
Source father
● Household
· direct · ~0.92
Father
Charles Carlson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Augusta Carlson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Carlson
Son · 1940 · age 31 · b. ~1909 · Wisconsin
★ You are viewing this record
Sibling
Hilda Carlson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dagny Carlson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Carlson
Sibling · 1940 · age 9
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 — Bayfield-County, Wisconsin
Open full size
1940 US Federal Census — Bayfield-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04458-00238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H. Anderson | 47 | Head | Farmer | Wisconsin |
| 2 | Winifred Anderson | 44 | Wife | — | Wisconsin |
| 3 | Tom Anderson | 20 | Son | — | Wisconsin |
| 4 | Jack Anderson | 19 | Son | — | Wisconsin |
| 5 | Beverly Anderson | 16 | Daughter | — | Wisconsin |
| 6 | Leone Anderson | 15 | Daughter | — | Wisconsin |
| 7 | Joseph Frencher | 70 | Father-in-law | Frame Maker | Austria |
| 8 | Amelia Engstrom | 36 | Servant | Maid | Wisconsin |
| 9 | Gunnar Carlson | 53 | Head | Farmer | Sweden |
| 10 | Ollie Carlson | 52 | Wife | — | Sweden |
| 11 | Russell Carlson | 30 | Son | Laborer | Wisconsin |
| 12 | Wallace Carlson | 28 | Son | Laborer | Wisconsin |
| 13 | Belle Carlson | 17 | Daughter | House Work | Wisconsin |
| 14 | Shirley Carlson | 12 | Daughter | — | Wisconsin |
| 15 | Dean Carlson | 5 | Son | — | Wisconsin |
| 16 | Mattson Charles | 72 | Lodger | — | Norway |
| 17 | Alfred Hagstrom | 72 | Head | — | Sweden |
| 18 | Walter Hagstrom | 38 | Son | Farmer | Wisconsin |
| 19 | Mildred Hagstrom | 32 | Daughter-in-law | — | Wisconsin |
| 20 | Gerald Hagstrom | 4 | Grandson | — | Wisconsin |
| 21 | Harley Hagstrom | 3 | Grandson | — | Wisconsin |
| 22 | Betty Hagstrom | 1 | Granddaughter | — | Wisconsin |
| 23 | Adolph Peterson | 64 | Head | Farmer | Sweden |
| 24 | Andrew Johnson | 61 | Head | Farmer | Sweden |
| 25 | Alma Johnson | 54 | Wife | — | Sweden |
| 26 | Vernon Johnson | 25 | Son | Laborer | Wisconsin |
| 27 | — | None | — | — | — |
| 28 | John E. Carlson | 38 | Head | Laborer | Wisconsin |
| 29 | Jennie Carlson | 40 | Wife | — | Wisconsin |
| 30 | Donald Carlson | 7 | Son | — | Wisconsin |
| 31 | Sivert Michaelson | 78 | Head | Janitor | Wisconsin |
| 32 | Charles Carlson | 83 | Head | — | Sweden |
| 33 | Augusta Carlson | 67 | Wife | — | Sweden |
| 34 | Dagny Carlson | 36 | Daughter | House Keeper | Wisconsin |
| 35 | Carl Carlson THIS PERSON | 31 | Son | — | Wisconsin |
| 36 | Hilda Carlson | 25 | Daughter | — | Wisconsin |
| 37 | James Carlson | 9 | Son | — | Wisconsin |
| 38 | Edward S. Nelson | 42 | Head | Farmer | Wisconsin |
| 39 | Mabel Nelson | 28 | Wife | — | Wisconsin |
| 40 | Jacob Pilles | 31 | Head | Farmer | Wisconsin |
Pedigree Summary
Carl + 3 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)