MS
Mary Schroeder — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Wisconsin
Our Model Tree links this Mary Schroeder across the 1930 and 1940 US Censuses in Jefferson-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Wisconsin |
| Surname | Schroeder |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joe Schroeder | Son | — | 10 | ~1930 |
| Stella Schroeder | Daughter | — | 3 | ~1937 |
| Rosemary Schroeder | Daughter | — | 10 | ~1930 |
| Viola Schroeder | Spouse | — | 42 | ~1898 |
| George Schroeder | Head | — | 46 | ~1894 |
| Paul Schroeder | Son | — | 8 | ~1932 |
| Margaret Schroeder | Daughter | — | 5 | ~1935 |
| Helen Schroeder | Daughter | — | 6 | ~1934 |
| Mary Schroeder | Daughter | — | 13 | ~1927 |
| John Schroeder | Son | — | 14 | ~1926 |
Census Appearances
1930
Jefferson, Wisconsin
Daughter, age 3
Jefferson, Wisconsin · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schroeder |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Jefferson-County, Wisconsin
Daughter, age 13
Jefferson-County, Wisconsin · implied b. ~1927 — 10 household members
| Surname | Schroeder |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Jefferson |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Schroeder
Daughter · 1940 · age 13 · b. ~1927 · Wisconsin
★ You are viewing this record
Sibling
Joe Schroeder
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Schroeder
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Schroeder
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Schroeder
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Schroeder
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Schroeder
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Schroeder
Sibling · 1940 · age 10
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 — Jefferson-County, Wisconsin
Open full size
1940 US Federal Census — Jefferson-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04485-00452)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sam Norbert | 21 | — | Farm Labor | Wisconsin |
| 42 | Delores Wolf | 14 | niece | — | Wisconsin |
| 43 | George M. Meinel | 47 | Head | Farm Labor | Wisconsin |
| 44 | Ella Meinel | 44 | Wife | — | Wisconsin |
| 45 | George Jr. Meinel | 17 | Son | Farm Labor | Wisconsin |
| 46 | Gloria J. Meinel | 14 | daughter | — | Wisconsin |
| 47 | George D. Schroeder | 46 | Head | Farm Labor | Wisconsin |
| 48 | Viola Schroeder | 42 | Wife | — | Wisconsin |
| 49 | John Schroeder | 14 | Son | — | Wisconsin |
| 50 | Mary Jane Schroeder THIS PERSON | 13 | daughter | — | Wisconsin |
| 51 | Joe Schroeder | 10 | Son | — | Wisconsin |
| 52 | Rosemary Schroeder | 10 | daughter | — | Wisconsin |
| 53 | Paul Schroeder | 8 | Son | — | Wisconsin |
| 54 | Helen Schroeder | 6 | daughter | — | Wisconsin |
| 55 | Margaret Schroeder | 5 | daughter | — | Wisconsin |
| 56 | Stella Schroeder | 3 | daughter | — | Wisconsin |
| 57 | Freeman Brown | 40 | Head | Laborer | Wisconsin |
| 58 | Adelia Brown | 34 | Wife | — | Wisconsin |
| 59 | Deloris Brown | 9 | daughter | — | Wisconsin |
| 60 | Donald Brown | 5 | Son | — | Wisconsin |
| 61 | Darlene Brown | 2 | daughter | — | Wisconsin |
| 62 | Frank Schroeder | 82 | Head | Farm Labor | Germany |
| 63 | Dorothy Schroeder | 78 | Wife | — | Germany |
| 64 | Irene Schroeder | 52 | daughter | — | Wisconsin |
| 65 | Ben Walcher | 60 | Head | Laborer | Wisconsin |
| 66 | Anne Walcher | 59 | Wife | — | Wisconsin |
| 67 | Lester Walcher | 32 | Son | Machinist | Wisconsin |
| 68 | John Walcher | 26 | Son | Laborer | Wisconsin |
| 69 | Maynard Neyer | 44 | Head | Mechanic | Wisconsin |
| 70 | Laura Neyer | 22 | Wife | Mechanic | Wisconsin |
| 71 | Robert Neyer | 5 | Son | — | Wisconsin |
| 72 | Frank Neyer | 3 | Son | — | Wisconsin |
| 73 | Walter Neyer | 2 | Son | — | Wisconsin |
| 74 | Marie Ann Neyer | 0 | daughter | — | Wisconsin |
| 75 | Edward Strick | 44 | Head | Farm Labor | Wisconsin |
| 76 | Emma Strick | 42 | Wife | — | Wisconsin |
| 77 | Marjorie Strick | 16 | daughter | House Work | Wisconsin |
| 78 | Marion Strick | 13 | daughter | — | Wisconsin |
| 79 | Herbert Quade | 27 | Head | Farm Labor | Wisconsin |
| 80 | Marinda Quade | 27 | Wife | — | Wisconsin |
Related Census Records
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)