RL
Robert Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Robert Larson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Larson |
| Given Name | Robert G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Loves Park |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Dock-worker |
| Industry | Trucking Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1500 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Dock-Worker |
| Township / Ward | Loves Park |
| Est. Birth Year | ~1888 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Inez Larson | Spouse | — | 50 | ~1890 |
| Elaine Larson | Son | — | 12 | ~1928 |
| Robert Larson | Head | — | 52 | ~1888 |
| Willard Larson | Son | — | 20 | ~1920 |
| Burdette Larson | Son | — | 22 | ~1918 |
Census Appearances
1920
Winnebago, Illinois
Head, age 32
Winnebago, Illinois · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Robert C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1907 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Driver |
| Industry | Bakery Wagon |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Sweden |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | sweden |
1930
Winnebago, Illinois
Head, age 42
Winnebago, Illinois · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 28 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Chauffeur |
| Industry | Truck Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Winnebago-County, Illinois
Head, age 52
Winnebago-County, Illinois · implied b. ~1888 — 5 household members
| Surname | Larson |
| Given Name | Robert G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Loves Park |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Occupation | Dock-worker |
| Industry | Trucking Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1500 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Larson
Head · 1940 · age 52 · b. ~1888 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00915-00318)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edwin F. Wilt | 51 | Head | Assembler | Illinois |
| 42 | Hazel Wilt | 56 | Wife | — | Illinois |
| 43 | Fred F. Dorr | 77 | Head | Carpenter | Illinois |
| 44 | Sara Dorr | 72 | Wife | — | Illinois |
| 45 | Raymond W. Sears | 29 | Head | Knitter | Wisconsin |
| 46 | Ethel Sears | 25 | Wife | — | Illinois |
| 47 | Daniel Sears | 2 | Son | — | Illinois |
| 48 | Fred Messinger | 17 | Brother-in-law | Helper | Illinois |
| 49 | Robert G. Larson THIS PERSON | 52 | Head | Dock-Worker | Sweden |
| 50 | Inez Larson | 50 | Wife | — | Sweden |
| 51 | Burdette Larson | 22 | Son | — | Illinois |
| 52 | Willard Larson | 20 | Son | Heat Treating | Illinois |
| 53 | Elaine Larson | 12 | Son | — | Illinois |
| 54 | George H. Welber | 32 | Head | Salesman | Michigan |
| 55 | Marion Welber | 31 | Wife | — | Iowa |
| 56 | Diane Welber | 9 | Daughter | — | Michigan |
| 57 | Clinn Welber | 4 | Daughter | — | Iowa |
| 58 | Patricia Welber | 2 | Daughter | — | Illinois |
| 59 | Lyman E. Wagoner | 43 | Head | Printer | Kansas |
| 60 | Ella Wagoner | 43 | Wife | — | Illinois |
| 61 | Dennis Wagoner | 13 | Daughter | — | Illinois |
| 62 | Caroline Wagoner | 8 | Daughter | — | Illinois |
| 63 | Alta Hough | 56 | Wife | — | Indiana |
| 64 | Joseph Vogel | 31 | Lodger | Weather Report | Illinois |
| 65 | Donald J. Laying | 20 | Head | Office Clerk | Illinois |
| 66 | Barbara Laying | 19 | Wife | — | Illinois |
| 67 | Victor H. Jensen | 23 | Head | Supervisor | Illinois |
| 68 | Alice Jensen | 20 | Wife | Labor | Wisconsin |
| 69 | Joseph A. Cedarwall | 45 | Head | Band Sawyer | Illinois |
| 70 | Julia Cedarwall | 39 | Wife | — | Sweden |
| 71 | John A. Cedarwall | 17 | Son | — | Illinois |
| 72 | Elizabeth Cedarwall | 15 | Daughter | — | Illinois |
| 73 | Madeline Cedarwall | 14 | Daughter | — | Illinois |
| 74 | Loren T. Lofgren | 39 | Head | Salesman | Illinois |
| 75 | Sofia Lofgren | 38 | Wife | — | Indiana |
| 76 | Anna Schrock | 43 | Wife | — | Illinois |
| 77 | Ralph H. Schrock | 44 | Head | Pipe Fitter | Illinois |
| 78 | Ralph H. Schrock | 16 | Son | — | Illinois |
| 79 | Ervin R. Thayer | 28 | Head | Clerk | Iowa |
| 80 | Agnes Thayer | 27 | Wife | — | 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)