ME
Mary Eckert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Mary Eckert across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Eckert |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | St Louis City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Eckert | Daughter | — | 16 | ~1924 |
| Bettie Eckert | Daughter | — | 12 | ~1928 |
| Doris Eckert | Daughter | — | 11 | ~1929 |
| Betty Eckert | Spouse | — | 38 | ~1902 |
| Louis Eckert | Daughter | — | 3 | ~1937 |
| Ruby Eckert | Daughter | — | 19 | ~1921 |
Census Appearances
1930
St Clair, …
Daughter, age 6
St Clair, Illinois · implied b. ~1924 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Eckert |
| Given Name | Marcella M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Louis-City-County, Missouri
Daughter, age 16
St.-Louis-City-County, Missouri · implied b. ~1924 — 6 household members
| Surname | Eckert |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| 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 Eckert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Eckert
Daughter · 1940 · age 16 · b. ~1924 · Missouri
★ You are viewing this record
Sibling
Louis Eckert
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Eckert
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bettie Eckert
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Eckert
Sibling · 1940 · age 19
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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02202-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Eckert | 38 | Wife | — | Illinois |
| 42 | Ruby Eckert | 19 | Daughter | Nurse | Illinois |
| 43 | Mary Eckert THIS PERSON | 16 | Daughter | — | Illinois |
| 44 | Bettie Eckert | 12 | Daughter | — | Illinois |
| 45 | Doris Eckert | 11 | Daughter | — | Illinois |
| 46 | Louis Eckert | 3 | Daughter | — | Illinois |
| 47 | Robert Marks | 31 | Head | Apprentice | Missouri |
| 48 | Helen Marks | 32 | Wife | — | Missouri |
| 49 | Carol Marks | 5 | Daughter | — | Missouri |
| 50 | Judy Marks | 2 | Daughter | — | Missouri |
| 51 | Elizabeth Bockstruck | 46 | Head | Janitress | Missouri |
| 52 | Antonia Schwartz | 80 | Mother | — | Germany |
| 53 | August Bockstruck | 80 | Uncle | — | Missouri |
| 54 | Anthony Schulte | 35 | Head | Clerk | Missouri |
| 55 | Hilda Schulte | 36 | Wife | — | Missouri |
| 56 | Dorothy Schulte | 12 | Daughter | — | Missouri |
| 57 | Charles Ogden | 27 | Head | Clerk | Missouri |
| 58 | Bernice Ogden | 28 | Wife | Beautician | Illinois |
| 59 | Mary Delahaye | 62 | Head | — | Switzerland |
| 60 | Ernest Delahaye | 35 | Son | Clerk | Illinois |
| 61 | August Delahaye | 31 | Son | Tool Worker | Illinois |
| 62 | Walter Kammerer | 37 | Head | Mechanic | Indiana |
| 63 | Theresa Kammerer | 36 | Wife | — | Missouri |
| 64 | Thelma Kammerer | 14 | Daughter | — | Missouri |
| 65 | Marilyn Kammerer | 8 | Daughter | — | Missouri |
| 66 | Jo Ann Kammerer | 6 | Daughter | — | Missouri |
| 67 | Mary James | 65 | Mother | Manager | Illinois |
| 68 | John Pinger | 60 | Head | — | Missouri |
| 69 | Carey Pinger | 61 | Wife | — | Missouri |
| 70 | John Jr Pinger | 22 | Son | Labor | Missouri |
| 71 | Charles Wurth | 27 | Head | Salesman | Missouri |
| 72 | Helen Wurth | 23 | Wife | — | Missouri |
| 73 | Gary Wurth | 1 | Son | — | Missouri |
| 74 | Herman Harte | 41 | Head | Foreman | Missouri |
| 75 | Anna Harte | 32 | Wife | — | Missouri |
| 76 | Bernard Harte | 18 | Son | Machinist | Missouri |
| 77 | Anna Marie Harte | 16 | Daughter | — | Missouri |
| 78 | Robert Harte | 15 | Son | — | Missouri |
| 79 | Harold Harte | 12 | Son | — | Missouri |
| 80 | Donald Harte | 10 | Son | — | Missouri |
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)