MK
Mary Keenan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Keenan across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Keenan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Keenan | Head | — | 40 | ~1900 |
| Harry Keenan | Son | — | 9 | ~1931 |
| John Keenan | Son | — | 16 | ~1924 |
| Charlotte Keenan | Daughter | — | 2 | ~1938 |
| Gloria Keenan | Daughter | — | 6 | ~1934 |
| Doris Keenan | Daughter | — | 12 | ~1928 |
| Conrad Keenan | Son | — | 5 | ~1935 |
| Margaret Keenan | Daughter | — | 18 | ~1922 |
| Mary Keenan | Daughter | — | 14 | ~1926 |
| Mary Keenan | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 3
Baltimore, Maryland · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keenan |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 14
Baltimore-City-County, Maryland · implied b. ~1926 — 10 household members
| Surname | Keenan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 9 |
| 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 Keenan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Keenan
Daughter · 1940 · age 14 · b. ~1926 · Maryland
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Sibling
Margaret Keenan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Keenan
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Keenan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Keenan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Keenan
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Keenan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Conrad Keenan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
40 people indexed on this census page (nara:1940:m-t0627-01535-00927)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James S. Taylor | 39 | Head | Chauffeur | Maryland |
| 42 | Mildred L. Taylor | 32 | Wife | — | Maryland |
| 43 | Hilda L. Taylor | 11 | Daughter | — | Maryland |
| 44 | Lillian J. Taylor | 9 | Daughter | — | Maryland |
| 45 | Gordon L. Taylor | 4 | Son | — | Maryland |
| 46 | Joseph S. Stansbury | 15 | Nephew | — | Maryland |
| 47 | John Keenan | 40 | Head | Clerk | Maryland |
| 48 | Mary Keenan | 41 | Wife | — | Maryland |
| 49 | Margaret Keenan | 18 | Daughter | Packer | Maryland |
| 50 | John Keenan | 16 | Son | New Worker | Maryland |
| 51 | Mary Keenan THIS PERSON | 14 | Daughter | — | Maryland |
| 52 | Doris Keenan | 12 | Daughter | — | Maryland |
| 53 | Harry Keenan | 9 | Son | — | Maryland |
| 54 | Gloria Keenan | 6 | Daughter | — | Maryland |
| 55 | Conrad Keenan | 5 | Son | — | Maryland |
| 56 | Charlotte Keenan | 2 | Daughter | — | Maryland |
| 57 | John W. Miller | 33 | Head | Heater | Maryland |
| 58 | Irene T. Miller | 18 | Wife | — | Maryland |
| 59 | Clyde C. Cook | 54 | Head | — | Maryland |
| 60 | Anna L. Cook | 23 | Wife | — | Maryland |
| 61 | Clyde Cook | 8 | Son | — | Maryland |
| 62 | Harry Cook | 7 | Son | — | Maryland |
| 63 | Patricia A. Cook | 1 | Daughter | — | Maryland |
| 64 | Vergil Roser | 20 | Boarder | New Worker | Maryland |
| 65 | Edward Mccracken | 53 | Head | Caretaker | Maryland |
| 66 | Alice Mccracken | 44 | Wife | — | Maryland |
| 67 | Alice T. Mccracken | 17 | Daughter | Winder | Maryland |
| 68 | Anna Mccracken | 15 | Daughter | — | Maryland |
| 69 | Elizabeth Mccracken | 13 | Daughter | — | Maryland |
| 70 | Beatrice Mccracken | 10 | Daughter | — | Maryland |
| 71 | Robert Mccracken | 8 | Son | — | Maryland |
| 72 | Catherine Mccracken | 5 | Daughter | — | Maryland |
| 73 | Margaret Jones | 42 | Head | — | Maryland |
| 74 | Ester Jones | 13 | Daughter | — | Maryland |
| 75 | Fredrick Jones | 11 | Son | — | Maryland |
| 76 | Francis Jones | 9 | Son | — | Maryland |
| 77 | Elaine Jones | 7 | Daughter | — | Maryland |
| 78 | Katherine Jones | 5 | Daughter | — | Maryland |
| 79 | Sherwood Jones | 2 | Son | — | Maryland |
| 80 | Louis E. Paschell | 46 | Head | — | 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)