MP
Mary Porter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Mary Porter across the 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 12-person household.
Age 39
b. ~1901
Female
Spouse
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Porter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Edgemere |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Edgemere |
| Est. Birth Year | ~1901 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Burdett Porter | Daughter | — | 6 | ~1934 |
| Frances Porter | Daughter | — | 12 | ~1928 |
| Louray Porter | Daughter | — | 18 | ~1922 |
| Lillian Porter | Daughter | — | 21 | ~1919 |
| David Porter | Head | — | 45 | ~1895 |
| William Blanton | Other | — | 23 | ~1917 |
| Frank Porter | Son | — | 12 | ~1928 |
| William Porter | Son | — | 19 | ~1921 |
| Parker Porter | Son | — | 16 | ~1924 |
| Columbus Porter | Son | — | 15 | ~1925 |
| Henry Porter | Son | — | 10 | ~1930 |
| Mary Porter | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Baltimore, Maryland
Other, age 30
Baltimore, Maryland · implied b. ~1900 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 20 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Baltimore-County, Maryland
Spouse, age 39
Baltimore-County, Maryland · implied b. ~1901 — 12 household members
| Surname | Porter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Edgemere |
| 1935 Residence (County) | Baltimore |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Mary Porter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Porter
Spouse · 1940 · age 39 · b. ~1901 · Maryland
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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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01507-00681)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dexter Pleasant | 33 | Head | Burner River | Maryland |
| 42 | Elizabeth Pleasant | 34 | Wife | — | Virginia |
| 43 | Banker Pratt | 35 | Head | Diging Wells | Virginia |
| 44 | Jean Pratt | 43 | Brother | Labor | Virginia |
| 45 | Alexander Smith | 26 | Roomer | Odd Jobs | Virginia |
| 46 | Eunice Smith | 24 | Roomer | Cement Mixer | Virginia |
| 47 | Charley Pleasant | 38 | Head | Brick Layer Helper | Virginia |
| 48 | Pearl Pleasant | 28 | Wife | Maid | Virginia |
| 49 | Josephine Laxicarter | 20 | Roomer | House Work | Baltimore |
| 50 | Annie Edwards | 53 | Head | Field Hand | Georgia |
| 51 | Joseph Edward Edwards | 20 | Son | Labor | Georgia |
| 52 | John Paul Edwards | 19 | Son | Labor | Maryland |
| 53 | Booker Bud | 51 | Head | Labor | Virginia |
| 54 | Martha Bud | 31 | Wife | House Work | Virginia |
| 55 | William Frisby | 43 | Head | Labor | Maryland |
| 56 | Emma Frisby | 32 | Wife | Field Hand | North Carolina |
| 57 | Clarence W. Frisby | 17 | Son | Hand | Maryland |
| 58 | James Melvin Frisby | 15 | Son | — | Maryland |
| 59 | Doncella May Frisby | 14 | Daughter | — | Maryland |
| 60 | Mary L. Frisby | 61 | Head | House Work | Virginia |
| 61 | William Frisby | 19 | Grandson | Labor | Maryland |
| 62 | Richard Frisby | 18 | Grandson | Helper | Maryland |
| 63 | Leroy Thomas | 39 | Head | Shearman | North Carolina |
| 64 | Maggie Thomas | 35 | Wife | — | South Carolina |
| 65 | Berniece Thomas | 13 | Daughter | — | South Carolina |
| 66 | Robert Ward | 30 | Head | Labor Foreman | Virginia |
| 67 | Emma Ward | 34 | Wife | Store Keeper | Virginia |
| 68 | Sterling Ward | 22 | Son | Labor | Virginia |
| 69 | David Porter | 45 | Head | Skilled Labor | Virginia |
| 70 | Mary Porter THIS PERSON | 39 | Wife | — | Virginia |
| 71 | Lillian Porter | 21 | Daughter | Maid | Virginia |
| 72 | William Percy Porter | 19 | Son | Clerk | Virginia |
| 73 | Louray Porter | 18 | Daughter | Maid | Virginia |
| 74 | Parker Porter | 16 | Son | Helper | Virginia |
| 75 | Columbus Porter | 15 | Son | — | Virginia |
| 76 | Frances Porter | 12 | Daughter | — | Maryland |
| 77 | Frank Porter | 12 | Son | — | Maryland |
| 78 | Henry Porter | 10 | Son | — | Maryland |
| 79 | Burdett Porter | 6 | Daughter | — | Maryland |
| 80 | William Blanton | 23 | Nephew | Skilled Labor | Virginia |
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)