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Mary Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Martin across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Martin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1890 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Katherine Elliott | Daughter | — | 23 | ~1917 |
| Anna Elliott | Daughter | — | 4 | ~1936 |
| Samuel Martin | Head | — | 57 | ~1883 |
| Francis Elliott | Other | — | 2 | ~1938 |
| Mary Martin | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 30
Philadelphia, Pennsylvania · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Delaware, Pennsylvania
Spouse, age 39
Delaware, Pennsylvania · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Philadelphia-County, Pennsylvania
Spouse, age 50
Philadelphia-County, Pennsylvania · implied b. ~1890 — 5 household members
| Surname | Martin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Martin across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Martin
Spouse · 1940 · age 50 · b. ~1890 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03703-00134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Pinkney | 55 | Head | General Work | Maryland |
| 42 | Clara Pinkney | 53 | Wife | — | Virginia |
| 43 | Emma Pinkney | 24 | Daughter | Housemaid | Pennsylvania |
| 44 | Clara Pinkney | 19 | Daughter | Housemaid | Pennsylvania |
| 45 | Mattie Walker | 50 | Head | Housemaid | Virginia |
| 46 | Gladys Walker | 33 | Daughter | Laundress | Virginia |
| 47 | James Jackson | 43 | Lodger | General Work | Virginia |
| 48 | Clifford Daniels | 37 | Head | Crane Operator | Pennsylvania |
| 49 | Millie Daniels | 38 | Wife | Housemaid | Pennsylvania |
| 50 | Oswald Pollard | 55 | Head | Laborer | Virginia |
| 51 | Linwood Pollard | 44 | Wife | — | Virginia |
| 52 | Joseph O'Neill | 53 | Head | Iceman | South Carolina |
| 53 | Ora O'Neill | 52 | Wife | — | Virginia |
| 54 | Harold Smith | 25 | Son-in-law | Laborer | New Jersey |
| 55 | Laura Smith | 20 | Daughter | — | Pennsylvania |
| 56 | James Rivers | 33 | Head | Housemaid | South Carolina |
| 57 | Marie Rivers | 33 | Wife | Laborer | Virginia |
| 58 | Evelyn Rivers | 5 | Daughter | — | Pennsylvania |
| 59 | James Jr. Rivers | 1 | Son | — | Pennsylvania |
| 60 | Elizabeth Waters | 65 | Head | — | Virginia |
| 61 | Howard Waters | 42 | Son | Chauffeur | Pennsylvania |
| 62 | Mary Waters | 37 | Daughter | Seamstress | Pennsylvania |
| 63 | Ella Jones | 73 | Head | — | Delaware |
| 64 | Pearl Evans | 44 | Daughter | Housemaid | Pennsylvania |
| 65 | Richard Jackson | 45 | Head | General Work | Washington D.C. |
| 66 | Riley Harrigan | 39 | Lodger | Housemaid | Virginia |
| 67 | James Stephens | 35 | Lodger | Laborer | Pennsylvania |
| 68 | Sophia Morton | 33 | Lodger | Housemaid | Virginia |
| 69 | James Venable | 40 | Head | Helper | Virginia |
| 70 | Sarah Venable | 40 | Wife | — | Virginia |
| 71 | Martha Venable | 13 | Daughter | — | Pennsylvania |
| 72 | William Venable | 10 | Son | — | Pennsylvania |
| 73 | Floyd Venable | 9 | Son | — | Pennsylvania |
| 74 | Joan Venable | 2 | Daughter | — | Pennsylvania |
| 75 | Jennie Wilds | 41 | Sister | Housemaid | Virginia |
| 76 | Samuel Martin | 57 | Head | Laborer | Virginia |
| 77 | Mary Martin THIS PERSON | 50 | Wife | — | Maryland |
| 78 | Katherine Elliott | 23 | Daughter | — | Pennsylvania |
| 79 | Anna Elliott | 4 | Daughter | — | Pennsylvania |
| 80 | Francis Elliott | 2 | Grandson | — | Pennsylvania |
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)