MK
Mary Keenan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Keenan across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 3-person household.
Age 58
b. ~1882
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Keenan |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston |
| Est. Birth Year | ~1882 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Keenan | Spouse | — | 58 | ~1882 |
| John Keenan | Son | — | 11 | ~1929 |
| Cecilia Keenan | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 42
Suffolk, Massachusetts · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keenan |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1891 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1905 |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Other, age 52
Suffolk, Massachusetts · implied b. ~1878 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keenan |
| Given Name | Mary J. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Age at First Marriage | 40 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Spouse, age 58
Suffolk-County, Massachusetts · implied b. ~1882 — 3 household members
| Surname | Keenan |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Keenan
Spouse · 1940 · age 58 · b. ~1882 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01677-00201)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Keenan THIS PERSON | 58 | wife | — | Ireland |
| 2 | Cecilia Keenan | 21 | daughter | — | Massachusetts |
| 3 | John E Keenan | 11 | son | — | Massachusetts |
| 4 | Albina A Molla | 48 | head | Accountant | Massachusetts |
| 5 | Mary A Molla | 23 | daughter | Clerical | Massachusetts |
| 6 | — | None | — | — | — |
| 7 | Mary Timilty | 67 | head | — | Massachusetts |
| 8 | Joseph Timilty | 35 | son | Clerk | Massachusetts |
| 9 | Grace Timilty | 30 | daughter | File Clerk | Massachusetts |
| 10 | Gerard Timilty | 28 | son | Mechanic'S Helper | Massachusetts |
| 11 | Adolph Grankiewicz | 54 | head | Longshoreman | Poland |
| 12 | Mary Grankiewicz | 45 | wife | — | Poland |
| 13 | Helen Grankiewicz | 21 | daughter | Millwright Operator | Massachusetts |
| 14 | Phyllis Grankiewicz | 11 | daughter | — | Massachusetts |
| 15 | Daniel Bergquist | 53 | head | Cement Finisher | Sweden |
| 16 | Anna C Bergquist | 52 | wife | — | Sweden |
| 17 | James A Fahey | 67 | head | Watchman | Maine |
| 18 | Walter Fahey | 26 | son | Salesman | Massachusetts |
| 19 | Lawrence Fahey | 23 | son | Distributor | Massachusetts |
| 20 | Christopher Morris | 37 | head | Salesman | Massachusetts |
| 21 | Marie Morris | 35 | wife | — | Massachusetts |
| 22 | Marylin Morris | 4 | daughter | — | Massachusetts |
| 23 | Frank Hicks | 38 | head | Truck Driver | Massachusetts |
| 24 | Anna Hicks | 35 | wife | — | Massachusetts |
| 25 | — | None | — | — | — |
| 26 | Katherine | 37 | wife | Teacher | Massachusetts |
| 27 | Robert | 15 | son | — | Massachusetts |
| 28 | Thelia | 6 | daughter | — | Massachusetts |
| 29 | Richard Norley | 58 | head | Salesman | Massachusetts |
| 30 | Mary M Norley | 58 | wife | — | Scotland |
| 31 | Richard Norley | 6 | son | — | Massachusetts |
| 32 | — | None | — | — | — |
| 33 | Lawrence Pendleton | 28 | head | Stationary Engineer | Maine |
| 34 | Ruth Pendleton | 26 | wife | — | Massachusetts |
| 35 | Michael J Shea | 36 | head | Cutter | Massachusetts |
| 36 | Esther P Shea | 37 | wife | Painter | New York |
| 37 | Dorothy M Shea | 5 | daughter | — | Massachusetts |
| 38 | — | None | — | — | — |
| 39 | James Fasciano | 55 | head | Watchman | Italy |
| 40 | Providence Fasciano | 53 | wife | — | Italy |
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)