CS
Carl Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Carl Swanson across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Charles & Emma — first a head (b.~1894), then head of a 8-person household.
Age 46
b. ~1894
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Swanson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Painter |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1894 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Carl Swanson | Head | — | 46 | ~1894 |
| Donald Swanson | Son | — | 14 | ~1926 |
| Margaret Swanson | Daughter | — | 9 | ~1931 |
| Nellie Swanson | Spouse | — | 42 | ~1898 |
| Carl Swanson | Son | — | 19 | ~1921 |
| Doris Swanson | Daughter | — | 16 | ~1924 |
| David Swanson | Son | — | 3 | ~1937 |
| Ernest Swanson | Son | — | 12 | ~1928 |
Census Appearances
1920
Polk, Iowa
Son, age 25
Polk, Iowa · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Head, age 35
Polk, Iowa · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 31 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Mechanic |
| Industry | Metal Strip |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3600 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 46
Polk-County, Iowa · implied b. ~1894 — 8 household members
| Surname | Swanson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 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 Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Swanson (~0.92 confidence) and mother Emma Swanson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Swanson
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Emma Swanson
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Swanson
Head · 1940 · age 46 · b. ~1894 · 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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01196-00935)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jane Green | 75 | Mother | — | Scotland |
| 2 | Beulah Erskin | 42 | Daughter | — | Iowa |
| 3 | James Erskin | 17 | Son | — | Iowa |
| 4 | Frank Johnson | 78 | Head | — | Sweden |
| 5 | Anna Johnson | 70 | Wife | — | Iowa |
| 6 | Oliver Penland | 30 | Head | Dock Hand | N. Carolina |
| 7 | Blanche Penland | 26 | Wife | — | Missouri |
| 8 | Barbara Ann Penland | 7 | Daughter | — | Iowa |
| 9 | Patricia Ann Penland | 5 | Daughter | — | Iowa |
| 10 | Mary Lorraine Penland | 2 | Daughter | — | Iowa |
| 11 | Sally Penland | 0 | Daughter | — | Iowa |
| 12 | Clarence E. Litzenburg | 57 | Head | Housemaid | Missouri |
| 13 | Joseph Jr. Woldridge | 33 | Head | Dishwasher | Iowa |
| 14 | Leona Dargi | 33 | Wife | — | Missouri |
| 15 | Pauline Hite | 13 | Daughter | — | Missouri |
| 16 | Clarence Rev. Lyons | 47 | Head | Paper Hanger | Iowa |
| 17 | Ethel Lyons | 47 | Wife | — | Missouri |
| 18 | June Lyons | 16 | Daughter | New Worker | Iowa |
| 19 | Robert Harrison | 34 | Lodger | Painter | Illinois |
| 20 | Barbara Harrison | 5 | Daughter | — | Iowa |
| 21 | Carl A. Swanson THIS PERSON | 46 | Head | Painter | Iowa |
| 22 | Nellie Swanson | 42 | Wife | — | Indiana |
| 23 | Carl Jr. Swanson | 19 | Son | Clerk | Iowa |
| 24 | Doris C. Swanson | 16 | Daughter | — | Iowa |
| 25 | Donald Swanson | 14 | Son | — | Iowa |
| 26 | Ernest Swanson | 12 | Son | — | Iowa |
| 27 | Margaret Swanson | 9 | Daughter | — | Iowa |
| 28 | David L. Swanson | 3 | Son | — | Iowa |
| 29 | Wilbur J. Miller | 34 | Head | Laborer | Kansas |
| 30 | Gwendolyn Miller | 34 | Wife | — | Canada |
| 31 | James Miller | 10 | Son | — | Iowa |
| 32 | Donna R. Miller | 7 | Daughter | — | Iowa |
| 33 | Connie May Miller | 5 | Daughter | — | Iowa |
| 34 | Wilberta Miller | 2 | Daughter | — | Iowa |
| 35 | Margarita Miller | 1 | Daughter | — | Iowa |
| 36 | Dorothy Grundy | 11 | Niece | — | Iowa |
| 37 | Marly Grundy | 10 | Niece | — | Iowa |
| 38 | William Grundy | 8 | Nephew | — | Iowa |
| 39 | Margrete Dowd | 54 | Mother | — | Ireland |
| 40 | — | None | — | — | — |
Pedigree Summary
Carl
Gen 1 · 2 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)