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Gertrude Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Gertrude Martin across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Samuel & Mary — first a daughter (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Female
Daughter
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Martin |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Sheet Writer |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 631 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Sheet Writer |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1894 |
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 |
|---|---|---|---|---|
| Richard Martin | Other | — | 50 | ~1890 |
| Mary Kennedy | Head | — | 69 | ~1871 |
| James Oberly | Other | — | 10 | ~1930 |
| Gertrude Martin | Daughter | — | 46 | ~1894 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 27
Allegheny, Pennsylvania · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Allegheny, Pennsylvania
Daughter, age 35
Allegheny, Pennsylvania · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Gertrude L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 28 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Allegheny-County, Pennsylvania
Daughter, age 46
Allegheny-County, Pennsylvania · implied b. ~1894 — 4 household members
| Surname | Martin |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Sheet Writer |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 631 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Samuel Kennedy (~0.92 confidence) and mother Mary Kennedy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Kennedy
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mary Kennedy
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Martin
Daughter · 1940 · age 46 · b. ~1894 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03654-00636)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Othelia Woods | 43 | Head | — | Virginia |
| 2 | Victor Duncan | 33 | Bro-in-law | Janitor | Michigan |
| 3 | William Gilmore | 47 | Lodger | Janitor | Virginia |
| 4 | Mary Jones | 22 | Lodger | Domestic | Pennsylvania |
| 5 | Mary E. Kennedy | 69 | Head | — | Virginia |
| 6 | Richard Martin | 50 | Son-in-law | Statistician | Georgia |
| 7 | Gertrude Martin THIS PERSON | 46 | Daughter | Sheet Writer | Virginia |
| 8 | James Oberly | 10 | Ward | — | Pennsylvania |
| 9 | Laura Black | 56 | Head | — | Ohio |
| 10 | Mildred Black | 31 | Daughter | — | Pennsylvania |
| 11 | Marietta Black | 16 | Grand-Daughter | — | Pennsylvania |
| 12 | Harriett Black | 12 | Grand-Daughter | — | Pennsylvania |
| 13 | Johnny Miller | 55 | Lodger | 64 Laborer | N. Carolina |
| 14 | Booker Sullivan | 60 | Lodger | Porter | S. Carolina |
| 15 | Clara Hunter | 30 | Head | Domestic | Alabama |
| 16 | Robert Washington | 18 | Lodger | 16 Porter | Virginia |
| 17 | Parker Plato | 43 | Lodger | Insurance Sales | Pennsylvania |
| 18 | Ernest Davenport | 35 | Lodger | Laborer | Alabama |
| 19 | Milton Jackson | 30 | Lodger | 12 Porter | Virginia |
| 20 | Lottie Lockett | 35 | Head | Domestic | Virginia |
| 21 | Irene Lockett | 12 | Daughter | — | Pennsylvania |
| 22 | Delores Lockett | 9 | Daughter | — | Pennsylvania |
| 23 | Noritta Lockett | 5 | Daughter | — | Pennsylvania |
| 24 | Emma Dugger | 45 | Lodger | — | Virginia |
| 25 | Jay E. Long | 25 | Head | Copper Sorter | Alabama |
| 26 | Naomi Long | 25 | Wife | — | Alabama |
| 27 | Eugene L. Banks | 40 | Head | Laborer | Virginia |
| 28 | Ethel J. Banks | 41 | Wife | — | Alabama |
| 29 | Eugene L. Banks | 13 | Son | — | Pennsylvania |
| 30 | Annie Walker | 74 | Lodger | — | South Carolina |
| 31 | Cora Lewis | 65 | Head | Domestic | Ohio |
| 32 | Odel Jackson | 35 | Lodger | — | Pennsylvania |
| 33 | Rufus Jackson | 30 | Husband | Laborer | Pennsylvania |
| 34 | John Henderson | 75 | Head | — | Maryland |
| 35 | Lelia Domey | 55 | Lodger | — | Kentucky |
| 36 | Lloyd Skiles | 34 | Lodger | Laborer | Indiana |
| 37 | Clarice Sisson | 27 | Lodger | — | Georgia |
| 38 | Bernard Sisson | 33 | Husband | — | Michigan |
| 39 | Claude Moore | 35 | Lodger | Porter | Alabama |
| 40 | Richard Baker | 22 | Head | Musician | Florida |
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)