RS
Robert Swanson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, Illinois
Our Model Tree links this Robert Swanson across the 1930 and 1940 US Censuses in Boone-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Illinois |
| Surname | Swanson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Belvidere City |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | New worker |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | New Worker |
| Township / Ward | Belvidere City |
| Est. Birth Year | ~1923 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Elsie Swanson | Spouse | — | 45 | ~1895 |
| Nels Swanson | Son | — | 25 | ~1915 |
| Enock Swanson | Head | — | 52 | ~1888 |
| Kenneth Swanson | Son | — | 13 | ~1927 |
| Clarence Swanson | Son | — | 7 | ~1933 |
| Robert Swanson | Son | — | 17 | ~1923 |
Census Appearances
1930
Boone, Illinois
Son, age 7
Boone, Illinois · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Boone-County, Illinois
Son, age 17
Boone-County, Illinois · implied b. ~1923 — 6 household members
| Surname | Swanson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Belvidere City |
| 1935 Residence (County) | Boone |
| Occupation | New worker |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Robert Swanson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Swanson
Son · 1940 · age 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Nels Swanson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Swanson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Swanson
Sibling · 1940 · age 7
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 — Boone-County, Illinois
Open full size
1940 US Federal Census — Boone-County, Illinois
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00760-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lilly Piel | 71 | Head | — | New York |
| 42 | Lena Henneger | 67 | Roomer | House Work | Illinois |
| 43 | Anna Moore Head | 65 | Head | — | Illinois |
| 44 | Alice Clogston | 67 | Head | — | Indiana |
| 45 | Raymond Clogston | 34 | Son | Grinder | Illinois |
| 46 | Irene Marsland | 37 | Head | Laborer | Wisconsin |
| 47 | Dona Marsland | 23 | Wife | Machine Operator | Illinois |
| 48 | Lucy Schandelmeier | 61 | Head | — | Illinois |
| 49 | Leslie Schandelmeier | 40 | Son | Truck Driver | Illinois |
| 50 | Aline Ed Schandelmeier | 39 | Roomer | Assistant Manager | Illinois |
| 51 | Frank H. Keeney | 64 | Head | Chiffonier | Illinois |
| 52 | Lottie G. Keeney | 64 | Wife | — | Ohio |
| 53 | Marion Arbuckle | 64 | Head | Painter And Decorator | Illinois |
| 54 | Myrtle Arbuckle | 56 | Wife | — | Kansas |
| 55 | Enock Swanson | 52 | Head | Molder | Sweden |
| 56 | Elsie Swanson | 45 | Wife | — | Illinois |
| 57 | Nels Swanson | 25 | Son | Molder | Illinois |
| 58 | Robert Swanson THIS PERSON | 17 | Son | New Worker | Illinois |
| 59 | Kenneth Swanson | 13 | Son | — | Illinois |
| 60 | Clarence Swanson | 7 | Son | — | Illinois |
| 61 | Floyd Darcy | 49 | Head | Foreman Milling Room | Missouri |
| 62 | Eunice Darcy | 49 | Wife | — | Illinois |
| 63 | Marjorie Darcy | 21 | Daughter | New Worker | Illinois |
| 64 | Bliss Darcy | 14 | Daughter | — | Illinois |
| 65 | Ernest Kaltenbach | 41 | Head | Clerk | Illinois |
| 66 | Blanche Kaltenbach | 43 | Wife | — | Illinois |
| 67 | Thomas Bright | 61 | Head | Salesman | Wisconsin |
| 68 | Theresa Bright | 57 | Wife | Choir Instructor | New York |
| 69 | Damon Bright | 19 | Son | Clerk | Illinois |
| 70 | Elias Allen | 73 | Head | Retired Farmer | Ohio |
| 71 | Loretta Allen | 72 | Wife | — | Ohio |
| 72 | Martin Hamre | 75 | Head | Retired | Norway |
| 73 | Helen Hamre | 64 | Wife | — | Norway |
| 74 | Charles Knight | 79 | Head | Clerk | Illinois |
| 75 | Rosina Knight | 75 | Wife | Dress Maker | Illinois |
| 76 | Barbara Rosecrans | 80 | Head | — | Maryland |
| 77 | Josephine Weber | 70 | Roomer | — | Iowa |
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)