EP
Esther Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Whiteside-County, Illinois
Our Model Tree links this Esther Peterson across the 1920, 1930 and 1940 US Censuses in Whiteside-County, Illinois (XGBoost, ~Confirmed), with identified parents Magnus & Ingrid — first a daughter (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Whiteside-County, Illinois |
| Surname | Peterson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Tampico village |
| 1935 Residence (County) | Whiteside |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Tampico Village |
| Est. Birth Year | ~1887 |
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 Esther | Age | Birth yr |
|---|---|---|---|---|
| Esther Peterson | Daughter | — | 53 | ~1887 |
| Frieda Peterson | Daughter | — | 58 | ~1882 |
| Ingrid Peterson | Head | — | 85 | ~1855 |
Census Appearances
1920
Whiteside, Illinois
Daughter, age 31
Whiteside, Illinois · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Whiteside, Illinois
Daughter, age 43
Whiteside, Illinois · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Whiteside-County, Illinois
Daughter, age 53
Whiteside-County, Illinois · implied b. ~1887 — 3 household members
| Surname | Peterson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Tampico village |
| 1935 Residence (County) | Whiteside |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Esther Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Magnus Peterson (~0.92 confidence) and mother Ingrid Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Magnus Peterson
b. ~1851
Source father
● Household
· direct · ~0.92
Mother
Ingrid Peterson
b. ~1855
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Esther Peterson
Daughter · 1940 · age 53 · b. ~1887 · Illinois
★ You are viewing this record
Sibling
Frieda Peterson
Sibling · 1940 · age 58
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 — Whiteside-County, Illinois
Open full size
1940 US Federal Census — Whiteside-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00906-00452)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George W. Oetzel | 50 | Head | Farming | Kentucky |
| 2 | Catherine Oetzel | 51 | Wife | — | Kentucky |
| 3 | Myrtle Oetzel | 21 | Daughter | — | Illinois |
| 4 | Katherine Oetzel | 8 | Daughter | — | Illinois |
| 5 | Charles Chriest | 69 | Head | Laborer | Illinois |
| 6 | Maude Chriest | 50 | Wife | — | Illinois |
| 7 | Lester Chriest | 16 | Son | — | Illinois |
| 8 | Ida Mae Chriest | 13 | Daughter | — | Illinois |
| 9 | Vincent Peterson | 15 | Lodger | — | Illinois |
| 10 | Thor Nelson | 69 | Head | Farming | Denmark |
| 11 | Mary A. Moloney | 81 | Head | — | Illinois |
| 12 | Harold E. Carlson | 38 | Head | Carpenter | Illinois |
| 13 | Luella Carlson | 33 | Wife | — | Illinois |
| 14 | Lucille Carlson | 13 | Daughter | — | Illinois |
| 15 | Neil Carlson | 11 | Son | — | Illinois |
| 16 | Lois Carlson | 8 | Daughter | — | Illinois |
| 17 | Wayne Carlson | 6 | Son | — | Illinois |
| 18 | George Tuff | 31 | Head | Welfare Officer | Illinois |
| 19 | Loretta Tuff | 27 | Wife | — | Illinois |
| 20 | Shirley Mae Tuff | 8 | Daughter | — | Illinois |
| 21 | George Jr. Tuff | 1 | Son | — | Illinois |
| 22 | Guy J. Clarendon | 46 | Head | Proprietor Of Grocery Store | Illinois |
| 23 | Verna Clarendon | 47 | Wife | — | Nebraska |
| 24 | Helen Clarendon | 17 | Daughter | — | Illinois |
| 25 | Mary Clarendon | 16 | Daughter | — | Illinois |
| 26 | Mildred Clarendon | 13 | Daughter | — | Illinois |
| 27 | John Woods | 34 | Head | Laborer In Warehouse | Iowa |
| 28 | Irene Woods | 32 | Wife | — | Missouri |
| 29 | Shirley Mae Woods | 4 | Daughter | — | Illinois |
| 30 | Dorothy Woods | 10 | Daughter | — | Illinois |
| 31 | Marilyn Woods | 8 | Daughter | — | Illinois |
| 32 | Riley V. Woods | 60 | Head | — | Illinois |
| 33 | Esther Woods | 59 | Wife | — | California |
| 34 | Helen Woods | 25 | Daughter | News Reporter | Illinois |
| 35 | William S. Smith | 75 | Head | — | Illinois |
| 36 | Minnie E. Rooseck | 73 | Sister | — | Illinois |
| 37 | Carrie Gantz | 53 | Helper | Housekeeper | Illinois |
| 38 | Ingrid Peterson | 85 | Head | — | Sweden |
| 39 | Frieda Peterson | 58 | Daughter | — | Michigan |
| 40 | Esther Peterson THIS PERSON | 53 | Daughter | — | Illinois |
Pedigree Summary
Esther + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)