CS
Carl Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mason-County, Michigan
Our Model Tree links this Carl Swanson across the 1920, 1930 and 1940 US Censuses in Mason-County, Michigan (XGBoost, ~Confirmed), with identified parents Charles & Chas — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Michigan |
| Surname | Swanson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ludington |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Occupation | Trucker |
| Industry | Commercial Fishing |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Trucker |
| Township / Ward | Ludington |
| Est. Birth Year | ~1913 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Carl Swanson | Other | — | ~1940 | |
| Carl Swanson | Son | — | 27 | ~1913 |
| Hilda Swanson | Head | — | 56 | ~1884 |
| Margaret Swanson | Daughter | — | 20 | ~1920 |
| John Swanson | Son | — | 28 | ~1912 |
Census Appearances
1920
Mason, Michigan
Son, age 7
Mason, Michigan · implied b. ~1913 — 7 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 | 7 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Mason, Michigan
Son, age 17
Mason, Michigan · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Mason-County, Michigan
Son, age 27
Mason-County, Michigan · implied b. ~1913 — 5 household members
| Surname | Swanson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ludington |
| 1935 Residence (County) | Mason |
| Occupation | Trucker |
| Industry | Commercial Fishing |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 father Chas Swanson (~0.92 confidence) and mother Hilda Swanson (~0.92 confidence) and mother Hulda Swanson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Swanson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Chas Swanson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Hilda Swanson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Hulda Swanson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Swanson
Son · 1940 · age 27 · b. ~1913 · Michigan
★ You are viewing this record
Sibling
Margaret Swanson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Swanson
Sibling · 1940 · age 28
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 — Mason-County, Michigan
Open full size
1940 US Federal Census — Mason-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01788-00212)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Edward Kissel | 45 | Head | Laborer | Illinois |
| 3 | Mary Kissel | 48 | Wife | Laborer | Michigan |
| 4 | Edward Kissel | 25 | Son | Laborer | Michigan |
| 5 | Genevieve Kissel | 19 | Daughter | — | Michigan |
| 6 | Lewis P. Carlson | 42 | Head | Laborer | Michigan |
| 7 | Mable Carlson | 38 | Wife | — | Michigan |
| 8 | Lewis Walter Carlson | 7 | Son | — | Michigan |
| 9 | Andrew R. Carlson | 5 | Son | — | Michigan |
| 10 | Donald Carlson | 4 | Son | — | Michigan |
| 11 | Fred C. Schmock | 49 | Head | Foreman | Michigan |
| 12 | Elizabeth Schmock | 47 | Wife | — | Michigan |
| 13 | Walter Schmock | 21 | Son | Accountant | Michigan |
| 14 | Guy S. Brown | 50 | Head | Machinist | Michigan |
| 15 | Nora B. Brown | 51 | Wife | — | Michigan |
| 16 | Fred Lohroff | 29 | Head | Attendant | Michigan |
| 17 | Lorna Lohroff | 31 | Wife | — | Michigan |
| 18 | Hilda Swanson | 56 | Head | — | Michigan |
| 19 | John W. Swanson | 28 | Son | Laborer | Michigan |
| 20 | Carl E. Swanson THIS PERSON | 27 | Son | Trucker | Michigan |
| 21 | Margaret H. Swanson | 20 | Daughter | — | Michigan |
| 22 | Carl W. Swanson | 0 | Grand-son | — | Michigan |
| 23 | Archie Walters | 31 | Head | Punch Press | Michigan |
| 24 | Mildred Walters | 30 | Wife | — | Michigan |
| 25 | Judith Walters | 3 | Daughter | — | Michigan |
| 26 | Albert Vogel | 39 | Head | Trap Polisher | Michigan |
| 27 | Bettina Vogel | 34 | Wife | — | Michigan |
| 28 | Brenda Vogel | 5 | Daughter | — | Michigan |
| 29 | Frank B. Stilwell | 70 | Head | — | Michigan |
| 30 | Alice Stilwell | 51 | Wife | — | Sweden |
| 31 | Harr Glen Stilwell | 29 | Step-son | Laborer | Kansas |
| 32 | Iwan Evans | 33 | Head | Accountant | Michigan |
| 33 | Anne Evans | 27 | Wife | Saleslady | Illinois |
| 34 | Gerald Rathbun | 28 | Head | Trucker | Michigan |
| 35 | Edith Rathbun | 52 | Wife | — | Michigan |
| 36 | Sarah Kuppers | 58 | Head | — | Kansas |
| 37 | Lillia Kuppers | 28 | Daughter | Hem Worker | Michigan |
| 38 | Lewis Kuppers | 23 | Son | Salesman | Michigan |
| 39 | Rose Benson | 36 | Daughter | Accountant | Illinois |
| 40 | Philip Benson | 3 | Grand-son | — | Michigan |
Pedigree Summary
Carl + 2 siblings
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)