MS
Mary Sargent — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Mary Sargent across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Sargent |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Secretary |
| Industry | Group Insurance |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 236 |
| Highest Grade | C-4 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Secretary |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Sargent | Son | — | 27 | ~1913 |
| Edgar Sargent | Son | — | 26 | ~1914 |
| Kathleen Sargent | Daughter | — | 15 | ~1925 |
| Mary Sargent | Spouse | — | 59 | ~1881 |
| Richard Sargent | Son | — | 22 | ~1918 |
| Chas Sargent | Head | — | 57 | ~1883 |
| Mary Sargent | Daughter | — | 25 | ~1915 |
| Chas Sargent | Son | — | 19 | ~1921 |
Census Appearances
1930
St Louis, …
Daughter, age 14
St Louis, Missouri · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sargent |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Louis-City-County, Missouri
Daughter, age 25
St.-Louis-City-County, Missouri · implied b. ~1915 — 8 household members
| Surname | Sargent |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis |
| Occupation | Secretary |
| Industry | Group Insurance |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 236 |
| Highest Grade | C-4 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Sargent across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sargent
Daughter · 1940 · age 25 · b. ~1915 · Missouri
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Sibling
Edgar Sargent
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sargent
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Sargent
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Sargent
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chas Sargent
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-t0627-02191-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia Kuhn | 73 | Head | — | Romania |
| 2 | John A. Koch | 38 | Head | Baker | Romania |
| 3 | Kate Koch | 34 | Wife | — | Romania |
| 4 | Wilma Koch | 13 | Daughter | — | Missouri |
| 5 | Kate Sauer | 49 | Head | — | Austria |
| 6 | Steve Sauer | 22 | Son | Shipping Clerk | Missouri |
| 7 | Louise Sturm | 52 | Head | — | Illinois |
| 8 | Ruth Sturm | 21 | Daughter | Assembler | Missouri |
| 9 | Orvill Sturm | 19 | Son | Electrician | Missouri |
| 10 | Albert H. Hegel | 53 | Head | Inventor | Missouri |
| 11 | Matilda Hegel | 50 | Wife | Yeast Wrapper | Missouri |
| 12 | Howard Hegel | 28 | Son | Bottle Washer | Missouri |
| 13 | Clemens Eckhardt | 61 | Head | Plasterer | Germany |
| 14 | Mary Eckhardt | 62 | Wife | — | Illinois |
| 15 | Emma Eckhardt | 32 | Daughter | — | Missouri |
| 16 | Eleanor Eckhardt | 18 | Daughter | Stenographer | Missouri |
| 17 | Hilda Workman | 31 | Daughter | — | Missouri |
| 18 | Louise Workman | 9 | Grand-daughter | — | Missouri |
| 19 | Marlene Workman | 6 | Grand-child | — | Missouri |
| 20 | John T. Gottstein | 34 | Head | Insurance Agt | Missouri |
| 21 | Aurelia Gottstein | 27 | Wife | — | Missouri |
| 22 | John Jr. Gottstein | 1 | Son | — | Missouri |
| 23 | Chas H. Sargent | 57 | Head | Proprietor | Missouri |
| 24 | Mary S. Sargent | 59 | Wife | — | Illinois |
| 25 | Robert E. Sargent | 27 | Son | Business Agt | Indiana |
| 26 | Edgar J. Sargent | 26 | Son | Clerk | Indiana |
| 27 | Mary Louise Sargent THIS PERSON | 25 | Daughter | Secretary | Indiana |
| 28 | Richard S. Sargent | 22 | Son | Clerk | Indiana |
| 29 | Chas Jr. Sargent | 19 | Son | Clerk | Indiana |
| 30 | Kathleen S. Sargent | 15 | Daughter | — | Indiana |
| 31 | Gustave A. Koessel | 84 | Head | — | Germany |
| 32 | Emma Koessel | 80 | Wife | — | Germany |
| 33 | Louisa Kuntz | 78 | Head | — | Missouri |
| 34 | Lara Kuntz | 59 | Daughter | — | Missouri |
| 35 | Finton Rawley | 22 | Grandson | Truck Driver | Missouri |
| 36 | George Schaker | 38 | Head | Pressman | Missouri |
| 37 | Clara Schaker | 45 | Wife | — | Missouri |
| 38 | Clara L. Schaker | 14 | Daughter | — | Missouri |
| 39 | George Schaker | 11 | Son | — | Missouri |
| 40 | Louise Remmert | 75 | Mother-in-law | — | Germany |
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)