EP
Ellen Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Ellen Peterson across the 1920, 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 3-person household.
Age 52
b. ~1888
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Peterson |
| Given Name | Ellen M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Henderson Township |
| 1935 Residence (County) | Knox |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Henderson Township |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| Albin Peterson | Head | — | 52 | ~1888 |
| Ester Peterson | Daughter | — | 19 | ~1921 |
| Ellen Peterson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Knox, Illinois
Spouse, age 30
Knox, Illinois · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Knox, Illinois
Spouse, age 41
Knox, Illinois · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ellen M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1908 |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Knox-County, Illinois
Spouse, age 52
Knox-County, Illinois · implied b. ~1888 — 3 household members
| Surname | Peterson |
| Given Name | Ellen M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Henderson Township |
| 1935 Residence (County) | Knox |
| Naturalization Status | Naturalized |
| Highest Grade | No 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 Ellen 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
Ellen Peterson
Spouse · 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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00827-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edd Wall | 52 | Head | Saw Mill Owner | Missouri |
| 42 | Vergie Wall | 39 | Wife | — | Missouri |
| 43 | Francis Wall | 17 | Son | Common Laborer | Illinois |
| 44 | Eva June Wall | 15 | Daughter | — | Illinois |
| 45 | Verne Wall | 12 | Son | — | Illinois |
| 46 | Gale Wall | 10 | Son | — | Illinois |
| 47 | Edward Wall | 7 | Son | — | Illinois |
| 48 | Dorothy Wall | 2 | Daughter | — | Illinois |
| 49 | Mary John | 66 | Mother-in-law | — | Missouri |
| 50 | Alice Johnson | 49 | Head | — | Illinois |
| 51 | Vincent Strom | 51 | Brother | Farm Hand | Illinois |
| 52 | Leslie Wall | 25 | Head | Machine Operator | Illinois |
| 53 | Olga Wall | 19 | Wife | — | Illinois |
| 54 | Jerry Wall | 2 | Son | — | Illinois |
| 55 | Patricia Wall | 1 | Daughter | — | Illinois |
| 56 | Charles Pearson | 61 | Head | Farming | Illinois |
| 57 | Ella Pearson | 52 | Wife | — | Illinois |
| 58 | Richard Pearson | 30 | Son | Common Laborer | Illinois |
| 59 | Willard Pearson | 25 | Son | Tractor Operator | Illinois |
| 60 | Charles Pearson | 15 | Son | — | Illinois |
| 61 | Fern Pearson | 10 | Daughter | — | Illinois |
| 62 | Charlie Nelson | 64 | Head | Farming | Illinois |
| 63 | Robert Larson | 32 | Head | Farming | Illinois |
| 64 | Rasmus Larson | 30 | Brother | Farming | Illinois |
| 65 | Charles Krans | 63 | Head | Farming | Illinois |
| 66 | Emma Krans | 54 | Wife | — | Sweden |
| 67 | Charles Sandstrom | 67 | Head | Farming | Illinois |
| 68 | William Nelson | 62 | Head | Farming | Illinois |
| 69 | Emma Nelson | 57 | Wife | — | Illinois |
| 70 | Edsel Nelson | 18 | Son | Farming | Illinois |
| 71 | Albin O. Peterson | 52 | Head | Farming | Sweden |
| 72 | Ellen M. Peterson THIS PERSON | 52 | Wife | — | Sweden |
| 73 | Ester Peterson | 19 | Daughter | — | Illinois |
| 74 | Milta L. Nelson | 72 | Head | — | Illinois |
| 75 | John V. Sandstrom | 65 | Brother | Hired Hand | Illinois |
| 76 | George Anderson | 47 | Head | Farming | Illinois |
| 77 | Ethel Anderson | 46 | Wife | — | Illinois |
| 78 | Olaf Anderson | 84 | Father | Stockman | Illinois |
| 79 | Ella Horning | 49 | Boarder | — | Sweden |
| 80 | August Bendburg | 82 | Boarder | — | Sweden |
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)