MS
Mary Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Shannon across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 8-person household.
Age 48
b. ~1892
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1892 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Shannon | Spouse | — | 48 | ~1892 |
| John Shannon | Head | — | 58 | ~1882 |
| Andrew Shannon | Son | — | 14 | ~1926 |
| Daniel Shannon | Son | — | 18 | ~1922 |
| John Shannon | Son | — | 21 | ~1919 |
| Rose Shannon | Daughter | — | 4 | ~1936 |
| Everett Shannon | Son | — | 10 | ~1930 |
| James Shannon | Son | — | 17 | ~1923 |
Census Appearances
1930
Baltimore, Maryland
Spouse, age 38
Baltimore, Maryland · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 48
Baltimore-City-County, Maryland · implied b. ~1892 — 8 household members
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Highest Grade | No 5 |
| 1935 Residence | Maryland |
| 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 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 48 · b. ~1892 · 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-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01527-00636)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earl Buckingham | 23 | Lodger | Salesman | Maryland |
| 42 | Jack Donahue | 41 | Head | Tel. Operator | Massachusetts |
| 43 | Elizabeth Donahue | 38 | Wife | Management | Pennsylvania |
| 44 | Virginia Donahue | 4 | Daughter | — | Pennsylvania |
| 45 | John Donahue | 1 | Son | — | Pennsylvania |
| 46 | William Stinnette | 32 | Head | Aircraft Machinist | Virginia |
| 47 | Agnes Stinnette | 33 | Wife | — | Maryland |
| 48 | Charlotte Stinnette | 9 | Daughter | — | District Columbia |
| 49 | James Rigger | 38 | Head | Installer | Maryland |
| 50 | Gertrude Rigger | 38 | Wife | — | Maryland |
| 51 | Earl Rigger | 16 | Son | — | Virginia |
| 52 | Phyllis Rigger | 14 | Daughter | — | Virginia |
| 54 | Thomas Outland | 45 | Head | Lessee | Maryland |
| 55 | Florence Outland | 49 | Wife | — | Maryland |
| 56 | Leonard Rodemeyer | 22 | Son-P | Salesman | Maryland |
| 57 | Florence Moore | 48 | Head | — | Maryland |
| 58 | Evelyn Moore | 11 | Daughter | — | Maryland |
| 59 | Robert Moore | 9 | Son | — | Maryland |
| 61 | Alton Ringle | 26 | Head | Crane Operator | Maryland |
| 62 | Helen Ringle | 21 | Wife | — | Maryland |
| 63 | John Ringle | 1 | Son | — | Maryland |
| 64 | Joseph Bracken | 39 | Head | Painter | Ireland |
| 65 | Catherine Bracken | 32 | Wife | — | Ireland |
| 66 | Thomas Bracken | 7 | Son | — | Maryland |
| 67 | Mary Bracken | 0 | Daughter | — | Maryland |
| 68 | George Pappas | 48 | Lodger | Chef | Greece |
| 69 | Daniel Shanahan | 45 | Head | 12 | Maryland |
| 70 | James Shanahan | 31 | Brother | Checker | Maryland |
| 71 | Mary Shanahan | 73 | Mother | — | Ireland |
| 72 | John Shannon | 58 | Head | Motorman | Ireland |
| 73 | Mary Shannon THIS PERSON | 48 | Wife | — | Maryland |
| 74 | John Jr Shannon | 21 | Son | Shipping Clk | Maryland |
| 75 | Daniel Shannon | 18 | Son | 32 | Maryland |
| 76 | James Shannon | 17 | Son | — | Maryland |
| 77 | Andrew Shannon | 14 | Son | — | Maryland |
| 78 | Everett Shannon | 10 | Son | — | Maryland |
| 79 | Rose Shannon | 4 | Daughter | — | Maryland |
Related Census Records
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)