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.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Eckert |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Mary Eckert | Daughter | — | 12 | ~1928 |
| Leroy Eckert | Son | — | 13 | ~1927 |
| Frederick Eckert | Son | — | 3 | ~1937 |
| Hazel Eckert | Spouse | — | 33 | ~1907 |
| Frederick Eckert | Head | — | 35 | ~1905 |
| Walter Eckert | Son | — | 10 | ~1930 |
| Vernon Eckert | Son | — | 8 | ~1932 |
Census Appearances
1930
St Louis, …
Daughter, age 1
St Louis, Missouri · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Eckert |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 12
St.-Louis-City-County, Missouri · implied b. ~1928 — 7 household members
| Surname | Eckert |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Industry | 0 |
| Highest Grade | No 4 |
| 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 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 12 · b. ~1928 · Missouri
★ You are viewing this record
Sibling
Walter Eckert
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Eckert
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Eckert
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Eckert
Sibling · 1940 · age 13
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-t0627-02190-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Hug | 36 | Head | Pump Operator | Missouri |
| 2 | Alma Hug | 36 | Wife | Floor Lady | Missouri |
| 3 | Donald Hug | 14 | Son | — | Missouri |
| 4 | Virgil Hug | 13 | Son | — | Missouri |
| 5 | Richard Hug | 11 | Son | — | Missouri |
| 6 | William Fernau | 61 | Head | — | Missouri |
| 7 | Anna Fernau | 61 | Wife | — | Missouri |
| 8 | John Kline | 39 | Head | Laborer | Missouri |
| 9 | Alma Kline | 37 | Wife | — | Missouri |
| 10 | Leona Reinhardt | 31 | Head | Candy Packer | Missouri |
| 11 | Leonard Reinhardt | 10 | Son | — | Missouri |
| 12 | Joseph Schiller | 37 | Head | — | Kansas |
| 13 | Betty Schiller | 38 | Wife | — | Missouri |
| 14 | Louise Schiller | 17 | Daughter | — | Missouri |
| 15 | Joseph Schiller | 15 | Son | — | Missouri |
| 16 | Rosemary Schiller | 11 | Daughter | — | Missouri |
| 17 | Frederick Eckert | 35 | Head | Painter | Missouri |
| 18 | Hazel Eckert | 33 | Wife | Waitress | Missouri |
| 19 | Leroy Eckert | 13 | Son | — | Missouri |
| 20 | Mary Ellen Eckert THIS PERSON | 12 | Daughter | — | Missouri |
| 21 | Walter Eckert | 10 | Son | — | Missouri |
| 22 | Vernon Eckert | 8 | Son | — | Missouri |
| 23 | Frederick Eckert | 3 | Son | — | Missouri |
| 24 | Ella Duffield | 51 | Head | — | Missouri |
| 25 | Eugene Duffield | 21 | Son | Laborer | Missouri |
| 26 | Irvin Duffield | 18 | Son | Clerk | Missouri |
| 27 | Lilly Duffield | 12 | Daughter | — | Missouri |
| 28 | Claudine Duffield | 9 | Daughter | — | Missouri |
| 29 | Dorothy Duffield | 6 | Daughter | — | Missouri |
| 30 | Everett Mays | 24 | Head | — | Georgia |
| 31 | John Mays | 43 | Son | Woodturner | Arkansas |
| 32 | Fred Cloetcher | 48 | Head | — | Missouri |
| 33 | Janet Cloetcher | 47 | Wife | — | Indiana |
| 34 | Howard Cloetcher | 26 | Son | — | Missouri |
| 35 | Elsie Cloetcher | 14 | Daughter | — | Missouri |
| 36 | Winifred Cloetcher | 11 | Daughter | — | Missouri |
| 37 | Marie Bartolet | 38 | Head | Clerk | Missouri |
| 38 | Jean Bartolet | 10 | Daughter | — | Missouri |
| 39 | Theresa Bayer | 76 | Head | — | Austria |
| 40 | Walter Bartolet | 46 | Head | Electrician | Missouri |
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)