MP
Mary Peters — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Calhoun, Illinois
Our Model Tree links this Mary Peters across the 1930 and 1940 US Censuses in Calhoun, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 15-person household.
Age 8
b. ~1922
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Calhoun, Illinois |
| Surname | Peters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Richwoods Precinct Part Of |
| Est. Birth Year | ~1922 |
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.
15 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Peters | Daughter | — | 8 | ~1922 |
| Ada Snyders | Daughter | — | 8 | ~1922 |
| Julia Snyders | Daughter | — | 17 | ~1913 |
| Lenora Peters | Daughter | — | 20 | ~1910 |
| Verbetta Peters | Daughter | — | ~1930 | |
| Edna Snyders | Daughter | — | 6 | ~1924 |
| Lucille Peters | Daughter | — | 15 | ~1915 |
| Dorothy Peters | Daughter | — | 10 | ~1920 |
| Antone Snyders | Head | — | 47 | ~1883 |
| Rutger Peters | Other | — | 49 | ~1881 |
| Harvey Peters | Son | — | 18 | ~1912 |
| Rutger Peters | Son | — | 6 | ~1924 |
| Gerald Snyders | Son | — | 10 | ~1920 |
| Agnes Snyders | Spouse | — | 45 | ~1885 |
| Martha Peters | Spouse | — | 43 | ~1887 |
Census Appearances
1930
Calhoun, Illinois
Daughter, age 8
Calhoun, Illinois · implied b. ~1922 — 15 household members
| Surname | Peters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Calhoun-County, Illinois
Daughter, age 18
Calhoun-County, Illinois · implied b. ~1922 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peter |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Calhoun |
| Occupation | Servant |
| Industry | House |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 50 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| 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 Mary Peters across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Peters
Daughter · 1930 · age 8 · b. ~1922 · Illinois
★ You are viewing this record
Sibling
Gerald Snyders
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rutger Peters
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Peters
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Peters
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Snyders
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verbetta Peters
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Peters
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Snyders
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Peters
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Snyders
Sibling · 1930 · age 17
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
1930 US Federal Census — Calhoun, Illinois
Open full size
1930 US Federal Census — Calhoun, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel408:0514)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Otto C. Snyders | 41 | Head | Farmer | Illinois |
| 2 | Henrietta M. Snyders | 36 | Wife | — | Illinois |
| 3 | Vincent Snyders | 15 | Son | — | Illinois |
| 4 | Raphael Snyders | 12 | Son | — | Illinois |
| 5 | Dorothy M. Snyders | 8 | Daughter | — | Illinois |
| 6 | Emil M. Snyders | 7 | Son | — | Illinois |
| 7 | John G. Titus | 55 | Head | Farmer | Illinois |
| 8 | Lucy Titus | 54 | Wife | — | Illinois |
| 9 | Raymond J. Titus | 24 | Son | Laborer | Illinois |
| 10 | William A. Titus | 21 | Son | Teacher | Oklahoma |
| 11 | Henry Titus | 15 | Son | — | Illinois |
| 12 | Charles B. Fiedler | 60 | Head | Farmer | Illinois |
| 13 | Barbara Fiedler | 55 | Wife | — | Germany |
| 14 | Rosa W. Fiedler | 29 | Daughter | — | Illinois |
| 15 | Ross N. Fiedler | 25 | Son | Laborer | Illinois |
| 16 | Oscar J. Fiedler | 22 | Son | Laborer | Illinois |
| 17 | Pearl Fiedler | 19 | Daughter | — | Illinois |
| 18 | Pearl P. Fiedler | 15 | Son | — | Illinois |
| 19 | Oliver Fiedler | 12 | Son | — | Illinois |
| 20 | Anna Fiedler | 57 | Head | — | Germany |
| 21 | Herman Fiedler | 32 | Head | Farmer | Illinois |
| 22 | Ruth E. Fiedler | 24 | Wife | — | Illinois |
| 23 | Antone J. Snyders | 47 | Head | Farmer | Illinois |
| 24 | Agnes M. Snyders | 45 | Wife | — | Illinois |
| 25 | Julia L. Snyders | 17 | Daughter | — | Illinois |
| 26 | Gerald E. Snyders | 10 | Son | — | Illinois |
| 27 | Ada L. Snyders | 8 | Daughter | — | Illinois |
| 28 | Edna C. Snyders | 6 | Daughter | — | Illinois |
| 29 | Rutger Peters | 49 | O | Farmer | Illinois |
| 30 | Martha F. Peters | 43 | Wife | — | Illinois |
| 31 | Lenora Peters | 20 | Daughter | — | Illinois |
| 32 | Harvey Peters | 18 | Son | Laborer | Illinois |
| 33 | Lucille Peters | 15 | Daughter | — | Illinois |
| 34 | Dorothy Peters | 10 | Daughter | — | Illinois |
| 35 | Mary Peters THIS PERSON | 8 | Daughter | — | Illinois |
| 36 | Rutger Jr. Peters | 6 | Son | — | Illinois |
| 37 | Verbetta Peters | 0 | Daughter | — | Illinois |
| 38 | Albert G. Snyders | 44 | Head | Farmer | Illinois |
| 39 | Dora O. Snyders | 37 | Wife | — | Illinois |
| 40 | Homer R. Snyders | 19 | Son | Laborer | Illinois |
| 41 | Margaret S. Snyders | 17 | Daughter | — | Illinois |
| 42 | Cyril M. Snyders | 14 | Son | — | Illinois |
| 43 | Eva M. Snyders | 11 | Daughter | — | Illinois |
| 44 | Kenneth A. Snyders | 9 | Son | — | Illinois |
| 45 | Rita O. Snyders | 7 | Daughter | — | Illinois |
| 46 | Wilburn L. Snyders | 6 | Son | — | Illinois |
| 47 | Erwin D. Snyders | 0 | Son | — | Illinois |
| 48 | Gerhard H. Snyders | 77 | Father | — | Holland |
| 49 | Thomas P. Brodbeck | 73 | Head | Farmer | Germany |
| 50 | Barbara Brodbeck | 67 | Wife | — | Germany |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)