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Gertrude Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Gertrude Martin across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Martin |
| Given Name | Gertrude |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Richmond Hts |
| 1935 Residence (County) | St Louis |
| Additional Details | |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 180 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Waitress |
| Township / Ward | Richmond Hts |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| William Albright | Son | — | 13 | ~1927 |
| Mamie Hamilton | Spouse | — | 71 | ~1869 |
| Maryann Feager | Daughter | — | 6 | ~1934 |
| Gertrude Martin | Daughter | — | 17 | ~1923 |
| Eugene Hellman | Son | — | 11 | ~1929 |
| Jennie Sparks | Other | — | 72 | ~1868 |
| William Hellman | Son | — | 14 | ~1926 |
| Patricia Albright | Daughter | — | 14 | ~1926 |
| Faye Clover | Daughter | — | 17 | ~1923 |
| Timothy Feager | Son | — | 4 | ~1936 |
| Eola O'Neill | Daughter | — | 5 | ~1935 |
Census Appearances
1930
St Louis, …
Daughter, age 8
St Louis, Missouri · implied b. ~1922 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Gertrude V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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-County, Missouri
Daughter, age 17
St.-Louis-County, Missouri · implied b. ~1923 — 11 household members
| Surname | Martin |
| Given Name | Gertrude |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Richmond Hts |
| 1935 Residence (County) | St Louis |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 180 |
| Highest Grade | H 3 |
| 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 Gertrude Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Gertrude Martin
Daughter · 1940 · age 17 · b. ~1923 · Missouri
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Sibling
Eola O'Neill
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maryann Feager
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Albright
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Faye Clover
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Feager
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Albright
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hellman
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Hellman
Sibling · 1940 · age 11
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-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
13 people indexed on this census page (nara:1940:m-t0627-02150-00885)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patricia Albright | 14 | daughter | — | Missouri |
| 2 | William Albright | 13 | son | — | Missouri |
| 3 | Jennie Sparks | 72 | mother in law | — | Virginia |
| 4 | William Jr Hellman | 14 | son | — | Missouri |
| 5 | Eugene Hellman | 11 | son | — | Missouri |
| 6 | Maryann Feager | 6 | daughter | — | Missouri |
| 7 | Timothy Feager | 4 | son | — | Missouri |
| 8 | Faye Clover | 17 | daughter | — | Mississippi |
| 9 | Mamie Hamilton | 71 | Wife | — | Missouri |
| 10 | Gertrude Martin THIS PERSON | 17 | daughter | Waitress | Missouri |
| 11 | Eola O'Neill | 5 | daughter | — | Missouri |
| 12 | Marie Meyer | 39 | Head | Auditor | Illinois |
| 13 | William Meyer | 15 | son | Delivery Boy | 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)