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John Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Skagit-County, Washington
Our Model Tree links this John Swanson across the 1920, 1930 and 1940 US Censuses in Skagit-County, Washington (XGBoost, ~Confirmed), with identified parents Alfred & John — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Skagit-County, Washington |
| Surname | Swanson |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Mount Vernon |
| 1935 Residence (County) | Skagit |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 250 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Farm Laborer |
| Township / Ward | Mount Vernon |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Swanson | Head | — | 60 | ~1880 |
| John Swanson | Son | — | 22 | ~1918 |
| Robert Swanson | Son | — | 20 | ~1920 |
Census Appearances
1920
Whatcom, Washington
Son, age 1
Whatcom, Washington · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Johnny |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Skagit, Washington
Son, age 12
Skagit, Washington · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Skagit-County, Washington
Son, age 22
Skagit-County, Washington · implied b. ~1918 — 3 household members
| Surname | Swanson |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Mount Vernon |
| 1935 Residence (County) | Skagit |
| Occupation | Farm Laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 250 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 John Swanson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Alfred Swanson (~0.92 confidence) and father John Swanson (~0.92 confidence) and father John 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
Alfred Swanson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Swanson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Swanson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Hulda Swanson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Swanson
Son · 1940 · age 22 · b. ~1918 · Washington
★ You are viewing this record
Sibling
Robert Swanson
Sibling · 1940 · age 20
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 — Skagit-County, Washington
Open full size
1940 US Federal Census — Skagit-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04357-00741)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Frisk | 3 | Daughter | — | Nebraska |
| 2 | Leslie Frisk | 17 | Son | — | Nebraska |
| 3 | Harlan Frisk | 12 | Son | — | Nebraska |
| 4 | Hilding Hamburg | 31 | Head | Machinist | Washington |
| 5 | Nova Hamburg | 30 | Wife | — | Minnesota |
| 6 | Neil Hamburg | 7 | Son | — | Washington |
| 7 | Vernetta Chase | 62 | Head | — | Iowa |
| 8 | Cleve Chase | 24 | Son | Machinist | Canada-Eng |
| 9 | Arch Reese | 53 | Head | Farm Laborer | Iowa |
| 10 | Philip Dwinell | 29 | Head | Farmer | Nebraska |
| 11 | Edith Dwinell | 24 | Wife | — | Washington |
| 12 | Robert Dwinell | 4 | Son | — | Washington |
| 13 | Phyllis Dwinell | 3 | Daughter | — | Washington |
| 14 | Paul Hamburg | 26 | Head | Machinist | Washington |
| 15 | Flora Hamburg | 27 | Wife | — | Canada-Eng |
| 16 | Andy Barbo | 54 | Head | Candler | Poland |
| 17 | Rose Barbo | 42 | Wife | — | Washington |
| 18 | Alice Barbo | 18 | Daughter | — | Washington |
| 19 | Walter Barbo | 16 | Son | — | Washington |
| 20 | Marie Barbo | 15 | Daughter | — | Washington |
| 21 | Victor Barbo | 13 | Son | — | Washington |
| 22 | Eleanor Barbo | 8 | Daughter | — | Washington |
| 23 | Evelyn Barbo | 8 | Daughter | — | Washington |
| 24 | Charles Holm | 70 | Head | Farmer | Sweden |
| 25 | Hulda Holm | 60 | Wife | — | Sweden |
| 26 | Thomas Anderson | 65 | Head | Cook | North Dakota |
| 27 | Helen Anderson | 54 | Sister | — | North Dakota |
| 28 | Agnes Asen | 21 | Lodger | Seamstress | North Dakota |
| 29 | Samuel M. Butler | 73 | Head | Farmer | California |
| 30 | Tillie Butler | 62 | Wife | — | North Dakota |
| 31 | Wilfred Butler | 27 | Son | Farm Laborer | Washington |
| 32 | John J. Swanson | 60 | Head | Farmer | Sweden |
| 33 | John H. Swanson THIS PERSON | 22 | Son | Farm Laborer | Washington |
| 34 | Robert Swanson | 20 | Son | Farm Laborer | Washington |
| 35 | George Danielson | 50 | Head | Miner | Illinois |
| 36 | Axel Helstrom | 59 | Head | Farmer | Sweden |
| 37 | Eunice Helstrom | 45 | Wife | — | New York |
| 38 | Maynard Helstrom | 19 | Son | — | Washington |
| 39 | Grace Helstrom | 15 | Daughter | — | Washington |
| 40 | Irvin Helstrom | 10 | Son | — | Washington |
Pedigree Summary
John + 1 sibling
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)