MS
Mary Schroeder — 1940 US Census Record
Model Tree available1940 United States Federal Census · Randolph-County, Illinois
Our Model Tree links this Mary Schroeder across the 1920, 1930 and 1940 US Censuses in Randolph-County, Illinois (XGBoost, ~Confirmed), with identified parents August & Rush — first a daughter (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Randolph-County, Illinois |
| Surname | Schroeder |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Coulterville Precinct |
| 1935 Residence (County) | Randolph |
| Additional Details | |
| Occupation | Servant |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Servant |
| Township / Ward | Coulterville Precinct |
| Est. Birth Year | ~1907 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Rush Schroeder | Head | — | 60 | ~1880 |
| Ida Schroeder | Daughter | — | 25 | ~1915 |
| Fred Schroeder | Son | — | 32 | ~1908 |
| Mary Schroeder | Daughter | — | 33 | ~1907 |
| Beulah Schroeder | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Randolph, Illinois
Daughter, age 12
Randolph, Illinois · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schroeder |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Randolph, Illinois
Daughter, age 23
Randolph, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schroeder |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Randolph-County, Illinois
Daughter, age 33
Randolph-County, Illinois · implied b. ~1907 — 5 household members
| Surname | Schroeder |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Coulterville Precinct |
| 1935 Residence (County) | Randolph |
| Occupation | Servant |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Schroeder across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father August Schroeder (~0.92 confidence) and father Rush Schroeder (~0.92 confidence) and mother Ruth Schroeder (~0.92 confidence) and mother Ruth Schroeder (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Schroeder
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Rush Schroeder
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Ruth Schroeder
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Ruth Schroeder
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Schroeder
Daughter · 1940 · age 33 · b. ~1907 · Illinois
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Sibling
Beulah Schroeder
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Schroeder
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Schroeder
Sibling · 1940 · age 25
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 — Randolph-County, Illinois
Open full size
1940 US Federal Census — Randolph-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00872-00411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Mc Gee | 16 | Son | — | Illinois |
| 42 | Joe Mc Gee | 14 | Son | — | Illinois |
| 43 | Joe Dudenbostel | 54 | Head | Farmer | Czechoslovakia |
| 44 | Mary Dudenbostel | 50 | Wife | — | Czechoslovakia |
| 45 | Rush D Schroeder | 60 | Head | — | Missouri |
| 46 | Mary Schroeder THIS PERSON | 33 | daughter | Servant | Missouri |
| 47 | Fred Schroeder | 32 | Son | Laborer | Missouri |
| 48 | Beulah A B Schroeder | 27 | daughter | Seamstress | Missouri |
| 49 | Ida Schroeder | 25 | daughter | Servant | Illinois |
| 50 | Walter Welz | 53 | Head | Farmer | Illinois |
| 51 | Freda Stolze | 48 | Sister | Housekeeper | Illinois |
| 52 | Russell Stolze | 26 | Nephew | Laborer | Illinois |
| 53 | Helen Stolze | 25 | Neice | — | Illinois |
| 54 | Russell R. Stolze | 4 | Son | — | Illinois |
| 55 | Ren Arr | 26 | Head | Farmer | Illinois |
| 56 | Arnold Peter Arr | 49 | Nephew | Miner | Missouri |
| 57 | Magdalena Arr | 56 | Neice | — | Illinois |
| 58 | William R Boyd | 58 | Head | Farmer | Illinois |
| 59 | Ethel Boyd | 57 | Wife | — | Illinois |
| 60 | Thurston W Boyd | 23 | Son | Laborer | Illinois |
| 61 | Pearl A Boyd | 21 | daughter | — | Illinois |
| 62 | Joe A Herbst | 54 | Head | Farmer | Germany |
| 63 | Mary Herbst | 54 | Wife | — | Austria |
| 64 | Thomas J Burnette | 57 | Head | Miner | Georgia |
| 65 | Mary E Burnette | 59 | Wife | — | Illinois |
| 66 | Lora Burnette | 19 | daughter | — | Illinois |
| 67 | John Sams | 52 | Head | Farmer | Illinois |
| 68 | Mary Sams | 50 | Wife | — | Illinois |
| 69 | Frank Palmer | 44 | Head | Farmer | Missouri |
| 70 | Katie Palmer | 45 | Wife | — | Illinois |
| 71 | Jimmie A Palmer | 25 | Son | — | Illinois |
| 72 | Dixie Joyce Palmer | 2 | daughter | — | Illinois |
| 73 | Rosa Bohma | 57 | Head | Baker | Missouri |
| 74 | Henry Bauman | 32 | Son | — | Illinois |
| 75 | Lon Mulholland | 34 | Head | — | Illinois |
| 76 | Margaret Mulholland | 28 | Wife | — | Illinois |
| 77 | Jessie Cunningham | 52 | Head | Nurse | Illinois |
| 78 | Lawrence Cunningham | 20 | Brother in law | Teacher | Illinois |
| 79 | William Fullerton | 70 | Head | Farmer | Illinois |
| 80 | Abe Bickley | 79 | Head | Farmer | Illinois |
Related Census Records
Pedigree Summary
Mary + 3 siblings
Gen 1 · 4 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)