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Joseph Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Joseph Peterson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 3-person household.
Age 66
b. ~1874
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Peterson |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Sanitary District |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Truck Driver |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1874 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Jane Peterson | Daughter | — | 22 | ~1918 |
| Idelma Peterson | Spouse | — | 61 | ~1879 |
| Joseph Peterson | Head | — | 66 | ~1874 |
Census Appearances
1920
Winnebago, Illinois
Head, age 45
Winnebago, Illinois · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Joseph |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | contractor |
| Industry | cement bus. |
| Class of Worker | Em |
| 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 | 1900 |
| Birthplace (normalized) | sweden |
1930
Winnebago, Illinois
Head, age 56
Winnebago, Illinois · implied b. ~1874
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Peterson |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Contractor |
| Industry | General Building |
| Class of Worker | E |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 8000 |
| Radio Set | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Winnebago-County, Illinois
Head, age 66
Winnebago-County, Illinois · implied b. ~1874 — 3 household members
| Surname | Peterson |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Occupation | Truck Driver |
| Industry | Sanitary District |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | 8 |
| 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 Joseph Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Peterson
Head · 1940 · age 66 · b. ~1874 · 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-t0627-00915-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rogene Hegberg | 21 | Daughter | Clerk | Illinois |
| 42 | Carl Carlstrom | 45 | Head | Cost Accountant | Illinois |
| 43 | Mabel Carlstrom | 43 | Wife | — | Massachusetts |
| 44 | Richard Carlstrom | 17 | Son | — | Illinois |
| 45 | Joanne Carlstrom | 14 | Daughter | — | Illinois |
| 46 | Rosa Telander | 52 | Head | — | Illinois |
| 47 | Glenn Telander | 19 | Son | Machine Operator | Illinois |
| 48 | Stewart Prentice | 33 | Head | M Set Up Man | Illinois |
| 49 | Hazel Prentice | 32 | Wife | General Office Clerk | Illinois |
| 50 | Gunnar Wahlmark | 34 | Head | Engineer | Illinois |
| 51 | Sara Wahlmark | 69 | Mother | — | Sweden |
| 52 | Oscar Wahlmark | 69 | Father | — | Sweden |
| 53 | Eric Jr. Patterson | 43 | Head | Machinist | Sweden |
| 54 | Margaret Patterson | 36 | Wife | — | Sweden |
| 55 | Genevieve Patterson | 15 | Daughter | — | Illinois |
| 56 | Milton Ross | 34 | Head | Doctor Of Optometry | New York |
| 57 | Ima Ross | 34 | Wife | — | Texas |
| 58 | Sam H. Stahlberg | 44 | Head | Proprietor | Poland |
| 59 | Lillian Stahlberg | 35 | Wife | Proprietor | Poland |
| 60 | H. Walter Thorell | 38 | Head | Sales Manager | Illinois |
| 61 | Claire D. Thorell | 37 | Wife | — | Sweden |
| 62 | Joyce Kathryn Thorell | 9 | Daughter | — | Illinois |
| 63 | Edward Walter Thorell | 6 | Son | — | Illinois |
| 64 | Phyllis Elaine Thorell | 1 | Daughter | — | Illinois |
| 65 | Joseph Peterson THIS PERSON | 66 | Head | Truck Driver | Sweden |
| 66 | Idelma Peterson | 61 | Wife | — | Sweden |
| 67 | Jane Peterson | 22 | Daughter | — | Illinois |
| 68 | Katherine Mandeville | 49 | Head | Teacher | Illinois |
| 69 | John Mandeville | 28 | Son | Manager | Illinois |
| 70 | Richard Mandeville | 26 | Son | Manager | Illinois |
| 71 | Carl Stenberg | 39 | Head | Upholsterer | Sweden |
| 72 | Amy Stenberg | 39 | Wife | — | Sweden |
| 73 | Harold Stenberg | 21 | Son | Upholsterer | Illinois |
| 74 | Prosper Albee | 66 | Head | Watchman | California |
| 75 | Matilda Albee | 53 | Wife | — | Wisconsin |
| 76 | Lucille Albee | 21 | Daughter | Operator | Illinois |
| 77 | Betty Jean Albee | 14 | Daughter | — | Illinois |
| 78 | Eldren Peterson | 43 | Head | Salesman | Illinois |
| 79 | Mildred Peterson | 34 | Wife | Saleslady | Minnesota |
| 80 | Barbara Peterson | 13 | Daughter | — | Illinois |
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)