MS
Mary Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Shannon across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Female
Spouse
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Construction Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 980 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Shannon | Spouse | — | 27 | ~1913 |
| Dolores Shannon | Daughter | — | 5 | ~1935 |
| Mckinley Shannon | Head | — | 36 | ~1904 |
| Helen Shannon | Daughter | — | 6 | ~1934 |
| Julia Shannon | Daughter | — | 9 | ~1931 |
| Thelma Shannon | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 19
Philadelphia, Pennsylvania · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laundress |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Philadelphia-County, Pennsylvania
Spouse, age 27
Philadelphia-County, Pennsylvania · implied b. ~1913 — 6 household members
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Laborer |
| Industry | Construction Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 980 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Shannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shannon
Spouse · 1940 · age 27 · b. ~1913 · 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-t0627-03730-00155)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Mcdonald | 17 | Son | — | Pa |
| 2 | Francis Mcdonald | 13 | Son | — | Pa |
| 3 | Charles Mcdonald | 7 | Son | — | Pa |
| 4 | Joseph Hennessey | 53 | Head | Foreman | Ireland |
| 5 | Gertrude Hennessey | 45 | Wife | — | Mass |
| 6 | Joseph Hennessey | 15 | Son | — | Pa |
| 7 | Grace Hennessey | 14 | Daughter | — | Pa |
| 8 | Elizabeth Hennessey | 13 | Daughter | — | New Jersey |
| 9 | William Hennessey | 7 | Son | — | Pa |
| 10 | Barbara Cone | 18 | Daughter | — | Pa |
| 11 | George Cone | 24 | Son-in-law | Chauffeur | Pa |
| 12 | George Cone | 0 | Grandson | — | Pa |
| 13 | Joseph Johnson | 48 | Head | Laborer | Pa |
| 14 | Mary Johnson | 48 | Wife | — | Pa |
| 15 | Eleanor Johnson | 25 | Daughter | — | Pa |
| 16 | Mary Dowds | 12 | Lodger | — | Pa |
| 17 | Margaret Dowds | 10 | Lodger | — | Pa |
| 18 | William Mccormick | 44 | Head | Proprietor | Pa |
| 19 | Anna Mccormick | 72 | Mother | — | Northern Ireland |
| 20 | Florence Tealost | Tealort | 40 | Sister | — | Pa |
| 21 | George Fitzgerald | 66 | Head | — | Virginia |
| 22 | Agnes Fitzgerald | 43 | Wife | — | Virginia |
| 23 | Ellen Fitzgerald | 18 | Daughter | — | Pa |
| 24 | George Fitzgerald | 17 | Son | — | Pa |
| 25 | William Fitzgerald | 16 | Son | — | Pa |
| 26 | Charles Roland | 42 | Head | — | Virginia |
| 27 | Sarah Simpkins | 55 | Lodger | — | Florida |
| 28 | Robert Smith | 46 | Head | Sewing | S. Carolina |
| 29 | Eliza Smith | 30 | Wife | — | S. Carolina |
| 30 | Alex Smith | 14 | Son | — | Pa |
| 31 | Dorothy Smith | 12 | Daughter | — | Pa |
| 32 | Oscar Smith | 10 | Son | — | Pa |
| 33 | Virginia Smith | 3 | Daughter | — | Pa |
| 34 | Mckinley Shannon | 36 | Head | — | S. Carolina |
| 35 | Mary Shannon THIS PERSON | 27 | Wife | Laborer | Georgia |
| 36 | Julia Shannon | 9 | Daughter | — | Pa |
| 37 | Thelma Shannon | 8 | Daughter | — | Pa |
| 38 | Helen Shannon | 6 | Daughter | — | Pa |
| 39 | Dolores Shannon | 5 | Daughter | — | Pa |
| 40 | Shannon | 3 | Daughter | — | Pa |
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)