EP
Ellen Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Ellen Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 4-person household.
Age 70
b. ~1870
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Peterson |
| Given Name | Ellen |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Rock Island |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Rock Island |
| Est. Birth Year | ~1870 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| Raymond Peterson | Son | — | 45 | ~1895 |
| Vera Gray | Daughter | — | 36 | ~1904 |
| Ellen Peterson | Head | — | 70 | ~1870 |
| Calvin Gluth | Other | — | 16 | ~1924 |
Census Appearances
1910
Rock Island, …
Head, age 40
Rock Island, Illinois · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| Children Born | 5 |
| Children Living | 3 |
| Year of Immigration | 1870 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Own Income |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Rock Island, …
Head, age 49
Rock Island, Illinois · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| Year of Immigration | 1870 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Sweden |
| Year of Naturalization | 1872 |
| Birthplace (normalized) | sweden |
1930
Rock Island, …
Head, age 60
Rock Island, Illinois · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1872 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Rock-Island-County, Illinois
Head, age 70
Rock-Island-County, Illinois · implied b. ~1870 — 4 household members
| Surname | Peterson |
| Given Name | Ellen |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Rock Island |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Peterson
Head · 1940 · age 70 · b. ~1870 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00877-00240)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maia Archer | 41 | daughter | Checker | Iowa |
| 2 | Keith Camp | 20 | grandson | Delivery Man | Same place |
| 3 | Mary E Camp | 18 | granddaughter | — | Same place |
| 4 | G. Vincent Nordgren | 45 | head | Clergyman And Editor | Illinois |
| 5 | Ruby A Nordgren | 44 | wife | Writer | Texas |
| 6 | Ray Nordgren | 10 | son | — | Illinois |
| 7 | Pamelyn Nordgren | 5 | daughter | — | Illinois |
| 8 | Harry W Peterson | 54 | head | Salesman | Illinois |
| 9 | Olga B Peterson | 51 | wife | — | Illinois |
| 10 | Robert Wm Peterson | 16 | son | — | Illinois |
| 11 | Paul C Peterson | 15 | son | — | Illinois |
| 12 | Helen Joan Peterson | 11 | daughter | — | Illinois |
| 13 | C. Charles Schillinger | 79 | head | — | Same place |
| 14 | Willard H Peterson | 36 | head | Sales Engineer | Iowa |
| 15 | Margaret Peterson | 35 | wife | — | Iowa |
| 16 | Eleanor Ann Peterson | 5 | daughter | — | Same place |
| 17 | Clarence E. Spurling | 34 | head | Stripper | Illinois |
| 18 | Leona S. Spurling | 33 | wife | Bookkeeper | Iowa |
| 19 | Richard A. Monroe | 72 | head | — | Iowa |
| 20 | Elinore M Monroe | 72 | wife | — | Wisconsin |
| 21 | James A. Monroe | 34 | son | Common Labor | Same place |
| 22 | Joseph J. Sattelbaur | 52 | head | General Agent | Same place |
| 23 | Cecelia Sattelbaur | 50 | wife | — | Iowa |
| 24 | Joseph Jr Sattelbaur | 19 | son | — | Same place |
| 25 | Barbara Ann Sattelbaur | 10 | daughter | — | Same place |
| 26 | Joseph J. Gross | 69 | head | Master Plumber | Same place |
| 27 | Frances Gross | 67 | wife | — | Same place |
| 28 | Herman L Hoss | 45 | head | Arc Welder | Iowa |
| 29 | Ethel Hoss | 38 | wife | — | Iowa |
| 30 | Ellen Peterson THIS PERSON | 70 | head | — | Sweden |
| 31 | Raymond Peterson | 45 | son | — | Same place |
| 32 | Vera Gray | 36 | daughter | — | Same place |
| 33 | Calvin Gluth | 16 | grandson | — | Iowa |
| 34 | Frank Kraklow | 73 | head | Yard Man | Germany |
| 35 | Emma Kraklow | 73 | wife | — | Illinois |
| 36 | Nicholas Strausse | 44 | head | Line Inspector | Iowa |
| 37 | Margaret Strausse | 33 | wife | — | Illinois |
| 38 | George Strausse | 20 | son | Messenger Boy | Illinois |
| 39 | Donald Strausse | 12 | son | — | Illinois |
| 40 | Thomas Strausse | 4 | son | — | 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)