EP
Evelyn Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this Evelyn Peterson across the 1920, 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Peterson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Kewanee City |
| Est. Birth Year | ~1910 |
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 Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Claus Peterson | Other | — | 53 | ~1887 |
| J Peterson | Head | — | 71 | ~1869 |
| Monica Peterson | Daughter | — | 23 | ~1917 |
| Leonora Peterson | Daughter | — | 33 | ~1907 |
| Evelyn Peterson | Daughter | — | 30 | ~1910 |
Census Appearances
1920
Henry, Illinois
Daughter, age 10
Henry, Illinois · implied b. ~1910 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Evelyn C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Henry, Illinois
Daughter, age 20
Henry, Illinois · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| 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
Henry-County, Illinois
Daughter, age 30
Henry-County, Illinois · implied b. ~1910 — 5 household members
| Surname | Peterson |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 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 Evelyn Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Peterson (~0.92 confidence) and father Charles Peterson (~0.92 confidence) and father J Peterson (~0.92 confidence) and mother Hulda Peterson (~0.92 confidence) and mother Huldah Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Peterson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Charles Peterson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
J Peterson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Hulda Peterson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Huldah Peterson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Evelyn Peterson
Daughter · 1940 · age 30 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Monica Peterson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonora Peterson
Sibling · 1940 · age 33
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 — Henry-County, Illinois
Open full size
1940 US Federal Census — Henry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00812-00480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beryl M. Baker | 19 | Son | Carpenter | Illinois |
| 2 | Betty Lou Baker | 11 | Daughter | — | Illinois |
| 3 | A. Frank Castle | 68 | Father | Salesman | Illinois |
| 4 | George Royce | 39 | Head | Foundry Worker | Iowa |
| 5 | Lillian Royce | 38 | Wife | — | England |
| 6 | Charles Royce | 15 | Son | — | Illinois |
| 7 | Shirley Royce | 13 | Daughter | — | Illinois |
| 8 | Elmer Deifert | 48 | Head | Embalmer And Director | Illinois |
| 9 | Elizabeth Deifert | 40 | Wife | — | Illinois |
| 10 | Donna Jean Deifert | 15 | Daughter | — | Illinois |
| 11 | Delores Mae Deifert | 12 | Daughter | — | Illinois |
| 12 | Joann Marie Deifert | 7 | Daughter | — | Illinois |
| 13 | Doris Van Clene | 21 | Daughter | — | Illinois |
| 14 | Jeanette D. Van Clene | 2 | Gr-Daughter | — | Illinois |
| 15 | Leonard Burns | 32 | Head | Foreman | Illinois |
| 16 | Ruth Burns | 32 | Wife | — | Illinois |
| 17 | Donna Burns | 12 | Daughter | — | Illinois |
| 18 | Donald Walter Burns | 11 | Son | — | Illinois |
| 19 | Earl Anderson | 29 | Head | Acetylene Welder | Illinois |
| 20 | Ilene Anderson | 28 | Wife | — | Illinois |
| 21 | A. John Spiegel | 58 | Head | Carpenter | Illinois |
| 22 | Ada Spiegel | 42 | Wife | Assistant To Father | Illinois |
| 23 | Lawrence Spiegel | 15 | Son | — | Illinois |
| 24 | J. Charles Peterson | 71 | Head | Machinist | Sweden |
| 25 | Evelyn Peterson THIS PERSON | 30 | Daughter | — | Illinois |
| 26 | Monica Peterson | 23 | Daughter | Maid | Illinois |
| 27 | Leonora Peterson | 33 | Daughter | Saleswoman | Illinois |
| 28 | Claus Peterson | 53 | Brother | — | Sweden |
| 29 | E. Carl Peterson | 44 | Head | Inspector | Illinois |
| 30 | Linda Peterson | 29 | Wife | — | Illinois |
| 31 | Carol June Peterson | 9 | Daughter | — | Illinois |
| 32 | Donald Paul Peterson | 3 | Son | — | Illinois |
| 33 | Edward Mcintire | 32 | Head | Coremaker | Illinois |
| 34 | Celina Mcintire | 33 | Wife | — | Belgium |
| 35 | Esther Mcintire | 4 | Daughter | — | Illinois |
| 36 | Leonard Mcintire | 2 | Son | — | Illinois |
| 37 | B. Benjamin Smith | 57 | Head | Machinist | Illinois |
| 38 | E. Harriett Smith | 52 | Wife | — | Illinois |
| 39 | James Crockett | 63 | Head | Assembler | Illinois |
| 40 | Mary Crockett | 60 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
Evelyn + 2 siblings
Gen 1 · 5 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)