MS
Mary Schroeder — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Schroeder across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Schroeder |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District 2Nd |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Claude Schroeder | Son | — | 5 | ~1935 |
| Claude Schroeder | Head | — | 39 | ~1901 |
| Olivia Schroeder | Spouse | — | 37 | ~1903 |
| Mary Schroeder | Daughter | — | 16 | ~1924 |
| Alice Schroeder | Daughter | — | 3 | ~1937 |
| Evelyn Schroeder | Daughter | — | 14 | ~1926 |
| Patricia Schroeder | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 5
Jefferson, Kentucky · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shrader |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 16
Jefferson-County, Kentucky · implied b. ~1924 — 7 household members
| Surname | Schroeder |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 16 · b. ~1924 · Kentucky
★ You are viewing this record
Sibling
Patricia Schroeder
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Schroeder
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Schroeder
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Schroeder
Sibling · 1940 · age 5
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, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01321-00264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gatton, William E. Gatton | 21 | Son | Farm Laborer | Kentucky |
| 42 | Charles L. Gatton | 19 | Son | New Worker | Kentucky |
| 43 | Robert Lee Gatton | 17 | Son | Farm Laborer | Kentucky |
| 44 | George R. Gatton | 16 | Son | — | Kentucky |
| 45 | Nancy E. Gatton | 12 | Daughter | — | Kentucky |
| 46 | Earnest E. Gatton | 9 | Son | — | Kentucky |
| 47 | Claude H. Schroeder | 39 | Head | Carpenter | Kentucky |
| 48 | Olivia Schroeder | 37 | Wife | — | Kentucky |
| 49 | Mary C. Schroeder THIS PERSON | 16 | Daughter | — | Kentucky |
| 50 | Evelyn Schroeder | 14 | Daughter | — | Kentucky |
| 51 | Patricia Schroeder | 11 | Daughter | — | Kentucky |
| 52 | Claude Jr. Schroeder | 5 | Son | — | Kentucky |
| 53 | Alice Schroeder | 3 | Daughter | — | Kentucky |
| 54 | Paul Rheinlander | 38 | Head | Assembly Line | Indiana |
| 55 | Elizabeth Rheinlander | 34 | Wife | — | Kentucky |
| 56 | Mary E. Rheinlander | 2 | Daughter | — | Kentucky |
| 57 | Nathan Devore | 41 | Head | Order Clerk | Kentucky |
| 58 | Ora Devore | 41 | Wife | Cook | Kentucky |
| 59 | Nathan Lee Devore | 16 | Son | 0 | Kentucky |
| 60 | Horia Jean Devore | 11 | Daughter | — | Kentucky |
| 61 | James Morris | 61 | Head | Coach Repairer | Indiana |
| 62 | Ida Morris | 56 | Wife | — | Indiana |
| 63 | John Heron | 50 | Head | Car Painter | Kentucky |
| 64 | Verna Heron | 21 | Daughter | — | Kentucky |
| 65 | Stanley Thorpe | 41 | Head | Teacher | Illinois |
| 66 | Harriett Thorpe | 43 | Wife | — | Illinois |
| 67 | George F. Thorpe | 73 | Father | — | Illinois |
| 68 | Benny Yates | 39 | Head | Laborer | Kentucky |
| 69 | Norma Yates | 32 | Wife | — | Kentucky |
| 70 | Sherley Yates | 5 | Daughter | — | Kentucky |
| 71 | George T. Elliott | 60 | Head | — | Kentucky |
| 72 | Roscoe Anderson | 38 | Head | Dispatcher | Kentucky |
| 73 | Avis Anderson | 32 | Wife | — | Missouri |
| 74 | Rex Robert Anderson | 16 | Son | — | Missouri |
| 75 | Mary Jo. Anderson | 12 | Daughter | — | Kentucky |
| 76 | Louise Anderson | 7 | Daughter | — | Kentucky |
| 77 | Carole Holmes | 5 | Neice | — | Missouri |
| 78 | Maurice B. Nash | 67 | Head | — | New York |
| 79 | Margaret Nash | 65 | Wife | — | Kentucky |
| 80 | Coy Montgomery | 28 | Head | Metal Roller | Kentucky |
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)