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Gertrude Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Gertrude Martin across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Jesse & Anna — first a spouse (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Martin |
| Given Name | Gertrude S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | St. Matthews |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | St Matthews |
| Est. Birth Year | ~1906 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| John Martin | Head | — | 29 | ~1911 |
| David Martin | Son | — | 9 | ~1931 |
| William Martin | Son | — | 7 | ~1933 |
| Gertrude Martin | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 14
Jefferson, Kentucky · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 23
Jefferson, Kentucky · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Waitress |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 34
Jefferson-County, Kentucky · implied b. ~1906 — 4 household members
| Surname | Martin |
| Given Name | Gertrude S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | St. Matthews |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| 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 Gertrude Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jesse Martin (~0.92 confidence) and mother Anna Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jesse Martin
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Anna Martin
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Martin
Spouse · 1940 · age 34 · b. ~1906 · Kentucky
★ You are viewing this record
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
38 people indexed on this census page (nara:1940:m-t0627-01320-00456)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward L. Davison | 52 | Head | Carpenter | Kentucky |
| 2 | Cloda O. Davison | 43 | Wife | — | Kentucky |
| 3 | Helen Davison | 21 | Daughter | Waitress | Kentucky |
| 4 | Agnes V. O'Leary | 65 | Head | — | Kentucky |
| 5 | Thomas J. O'Leary | 25 | Son | Electrician | Kentucky |
| 6 | William G. Brumley | 42 | Head | Jobber | Kentucky |
| 7 | Elsie D. Brumley | 39 | Wife | — | Kentucky |
| 8 | Dorothy Brumley | 16 | Daughter | — | Kentucky |
| 9 | William G. Brumley | 14 | Son | — | Kentucky |
| 10 | Mary Catherine Brumley | 11 | Daughter | — | Kentucky |
| 11 | James F. Brumley | 9 | Son | — | Kentucky |
| 12 | Patricia A. Brumley | 5 | Daughter | — | Kentucky |
| 13 | Robert C. Brumley | 3 | Son | — | Kentucky |
| 14 | John Allen Brumley | 1 | Son | — | Kentucky |
| 15 | Catherine A. Bachman | 64 | Head | Dressmaker | Kentucky |
| 16 | Mollie Westerman | 54 | Sister | Housekeeper | Kentucky |
| 17 | Henry Bachman | 62 | Brother | Farm Hand | Kentucky |
| 18 | L. R. Kenner | 37 | Head | Jobber Salesman | Indiana |
| 19 | Florence S. Kenner | 38 | Wife | — | Indiana |
| 20 | Gordon Kellner | 37 | Head | Manager | Missouri |
| 21 | Lillian D. Kellner | 32 | Wife | — | Kansas |
| 22 | Bruce Kellner | 10 | Son | — | Indiana |
| 23 | Gloria Kellner | 5 | Daughter | — | Kentucky |
| 24 | Lucie Clary | 25 | Housekeeper | Housekeeper | Alabama |
| 25 | Gustave A. Zoller | 39 | Head | Clerk | Kentucky |
| 26 | Edith Zoller | 36 | Wife | — | Kentucky |
| 27 | Allen Zoller | 15 | Son | — | Kentucky |
| 28 | June Zoller | 13 | Daughter | — | Kentucky |
| 29 | Anton J. Zoller | 70 | Father | — | Germany |
| 30 | George S. Schuhmann | 52 | Head | Pressman | Kentucky |
| 31 | Regina Schuhmann | 50 | Wife | — | Kentucky |
| 32 | Alex E. Rugel | 59 | Head | — | Kentucky |
| 33 | Dorothy Rugel | 28 | Daughter | — | Kentucky |
| 34 | Patricia Ann Rugel | 8 | Granddaughter | — | Ohio |
| 35 | John Martin | 29 | Head | Proprietor | Kentucky |
| 36 | Gertrude S. Martin THIS PERSON | 34 | Wife | — | Kentucky |
| 37 | David Martin | 9 | Son | — | Kentucky |
| 38 | William Martin | 7 | Son | — | Kentucky |
Pedigree Summary
Gertrude
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)