MP
Mary Peters — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clinton-County, Illinois
Our Model Tree links this Mary Peters across the 1920, 1930 and 1940 US Censuses in Clinton-County, Illinois (XGBoost, ~Confirmed), with identified parents William & Josephine — first a daughter (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clinton-County, Illinois |
| Surname | Peters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Beckemeyer Village |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | Machine operator |
| Industry | Shoe Factory |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Machine Operator |
| Township / Ward | Beckemeyer Village |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Veronica Peters | Daughter | — | 23 | ~1917 |
| Lenora Peters | Daughter | — | 34 | ~1906 |
| Mary Peters | Daughter | — | 35 | ~1905 |
| William Peters | Head | — | 67 | ~1873 |
| William Peters | Son | — | 30 | ~1910 |
| Josephine Peters | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Clinton, Illinois
Daughter, age 15
Clinton, Illinois · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clinton, Illinois
Daughter, age 24
Clinton, Illinois · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clinton-County, Illinois
Daughter, age 35
Clinton-County, Illinois · implied b. ~1905 — 6 household members
| Surname | Peters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Beckemeyer Village |
| 1935 Residence (County) | Clinton |
| Occupation | Machine operator |
| Industry | Shoe Factory |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Mary Peters across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Peters (~0.92 confidence) and mother Josephine Peters (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Peters
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Josephine Peters
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Peters
Daughter · 1940 · age 35 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
William Peters
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Peters
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Peters
Sibling · 1940 · age 23
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 — Clinton-County, Illinois
Open full size
1940 US Federal Census — Clinton-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00770-00608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Adeline Kuhl | 38 | Wife | — | Illinois |
| 2 | Aloys Kuhl | 17 | Son | — | Illinois |
| 3 | Lucille Kuhl | 14 | Daughter | — | Illinois |
| 4 | Pauline Kuhl | 10 | Daughter | — | Illinois |
| 5 | Joan Kuhl | 7 | Son | — | Illinois |
| 6 | William Kuhl | 4 | Son | — | Illinois |
| 7 | Rita Kuhl | 1 | Daughter | — | Illinois |
| 8 | Begin April 20 End April 19 | None | — | — | — |
| 9 | Al Isaak | 31 | Head | Yard Man | Illinois |
| 10 | Madelyn Isaak | 27 | Wife | — | Illinois |
| 11 | Patricia Isaak | 2 | Daughter | — | Illinois |
| 12 | Julius Schoen | 41 | Head | Clergyman | Illinois |
| 13 | Anna Rayner | 55 | Housekeeper | Housekeeper | Illinois |
| 14 | George Rust | 57 | Head | Maintenance Man | Germany |
| 15 | Elizabeth Rust | 57 | Wife | — | Germany |
| 16 | George Rust | 15 | Son | — | Illinois |
| 17 | Mary Rust | 13 | Daughter | — | Illinois |
| 18 | Henry Rust | 11 | Son | — | Illinois |
| 19 | Elizabeth Rust | 4 | Daughter | — | Illinois |
| 20 | Martin Schmuch | 36 | Head | Loader | Illinois |
| 21 | Irene Schmuch | 32 | Wife | — | Illinois |
| 22 | Francis Schmuch | 7 | Son | — | Illinois |
| 23 | Anna Schmuch | 74 | Head | — | Germany |
| 24 | William Peters | 67 | Head | Loader | Germany |
| 25 | Josephine Peters | 63 | Wife | — | Germany |
| 26 | Mary Peters THIS PERSON | 35 | Daughter | Machine Operator | Ohio |
| 27 | Lenora Peters | 34 | Daughter | — | Ohio |
| 28 | William Peters | 30 | Son | Truck Driver | Ohio |
| 29 | Veronica Peters | 23 | Daughter | Machine Operator | Illinois |
| 30 | Joseph Pax | 45 | Head | Loader | Ohio |
| 31 | Elizabeth Pax | 45 | Wife | — | Illinois |
| 32 | Richard Pax | 19 | Son | Oil Boy | Illinois |
| 33 | Harold Pax | 16 | Son | — | Illinois |
| 34 | Bernard Paphorn | 64 | Head | Blacksmith | Illinois |
| 35 | Theresa Paphorn | 56 | Wife | — | Illinois |
| 36 | O. D. Evans | 33 | Son in law | Steel Plate Erector | Arkansas |
| 37 | Celesta Evans | 23 | Daughter | — | Illinois |
| 38 | Hubert Pax | 50 | Head | Driver | Ohio |
| 39 | Clara Pax | 49 | Wife | — | Illinois |
| 40 | William Pax | 20 | Son | Loader | Ohio |
Related Census Records
Pedigree Summary
Mary + 3 siblings
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)