CS
Carl Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this Carl Swanson across the 1910, 1920, 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed), with identified parents Nancy & August — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Swanson |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | machine shop foreman |
| Industry | road machine company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2627 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Machine Shop Foreman |
| Township / Ward | Cedar Rapids |
| Est. Birth Year | ~1898 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| John Swanson | Son | — | 12 | ~1928 |
| Lillian Swanson | Spouse | — | 41 | ~1899 |
| Carl Swanson | Head | — | 42 | ~1898 |
Census Appearances
1910
Linn, Iowa
Son, age 12
Linn, Iowa · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Swed. Swedish |
| Mother's Birthplace | Swed. Swedish |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1920
Linn, Iowa
Son, age 22
Linn, Iowa · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | RR Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Linn, Iowa
Head, age 31
Linn, Iowa · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Linn-County, Iowa
Head, age 42
Linn-County, Iowa · implied b. ~1898 — 3 household members
| Surname | Swanson |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Occupation | machine shop foreman |
| Industry | road machine company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2627 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Swanson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nancy Swanson (~0.92 confidence) and father August Swanson (~0.92 confidence) and father August Swanson (~0.92 confidence) and mother Nancy Swanson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nancy Swanson
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
August Swanson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
August Swanson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Nancy Swanson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Swanson
Head · 1940 · age 42 · b. ~1898 · 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 — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01175-00935)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Jennings | 39 | Head | Laborer | Iowa |
| 2 | Garnet Jennings | 33 | Wife | — | Iowa |
| 3 | Dallas Gloe | 14 | Stepson | — | Iowa |
| 4 | Louisa Douglas | 24 | Lodger | Factory Hand | Iowa |
| 5 | Llewellyn Dunlap | 56 | Head | Assistant General Manager | Iowa |
| 6 | Beola Dunlap | 54 | Wife | — | Iowa |
| 7 | Jean Dunlap | 22 | Daughter | — | Iowa |
| 8 | Howard Douglas | 42 | Head | Chauffeur | Illinois |
| 9 | Marian Douglas | 42 | Wife | — | Vermont |
| 10 | Charles Douglas | 15 | Son | — | Iowa |
| 11 | Rufus G. Sturtz | 60 | Head | Factory Laborer | Iowa |
| 12 | Carrie Sturtz | 63 | Wife | — | Nebraska |
| 13 | Carl Swanson THIS PERSON | 42 | Head | Machine Shop Foreman | Nebraska |
| 14 | Lillian Swanson | 41 | Wife | — | Iowa |
| 15 | John A. Swanson | 12 | Son | — | Iowa |
| 16 | Chas. Morningstar | 29 | Head | Truck Driver | Iowa |
| 17 | Elizabeth Morningstar | 27 | Wife | — | Missouri |
| 18 | Patricia Morningstar | 9 | Daughter | — | Iowa |
| 19 | Marjorie Lee Morningstar | 6 | Daughter | — | Iowa |
| 20 | Larry Morningstar | 4 | Son | — | Iowa |
| 21 | Minnie Melvin | 67 | Mother-in-law | — | Iowa |
| 22 | Milton E. Hickey | 35 | Head | Route Driver | Iowa |
| 23 | Laura Hickey | 31 | Wife | — | Iowa |
| 24 | Darlene Hickey | 7 | Daughter | — | Iowa |
| 25 | Lloyd Stone | 47 | Head | Garage Owner | Ohio |
| 26 | Irene Stone | 43 | Wife | — | Illinois |
| 27 | Doris L. Stone | 15 | Daughter | — | Iowa |
| 28 | Elsie Gable | 23 | Daughter | — | Iowa |
| 29 | Robert William Gable | 0 | Grandson | — | Iowa |
| 30 | Chester Morningstar | 53 | Head | Police Officer | Ohio |
| 31 | Louise Morningstar | 52 | Wife | — | Iowa |
| 32 | Phyllis Morningstar | 15 | Daughter | — | Iowa |
| 33 | John A. Gossett | 56 | Head | Brakeman | Illinois |
| 34 | Gertrude Gossett | 52 | Wife | — | Iowa |
| 35 | Guy Cooper | 46 | Head | — | Iowa |
| 36 | Bertha Cooper | 43 | Wife | — | Illinois |
| 37 | Raymond Cooper | 21 | Son | — | Iowa |
| 38 | Evelyn Cooper | 13 | Daughter | — | Iowa |
| 39 | R. Wylie Deaver | 45 | Head | Dry Starch Department | Illinois |
| 40 | Beulah Deaver | 43 | Wife | — | Kansas |
Pedigree Summary
Carl
Gen 1 · 4 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)