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 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Keenan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | machinist sh. |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Machinist Sh. |
| Township / Ward | Boston City |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| Charles Keenan | Son | — | 30 | ~1910 |
| Joseph Keenan | Son | — | 26 | ~1914 |
| Mary Keenan | Spouse | — | 50 | ~1890 |
| Francis Keenan | Head | — | 54 | ~1886 |
| Mary Keenan | Daughter | — | 28 | ~1912 |
| Francis Keenan | Son | — | 20 | ~1920 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 40
Suffolk, Massachusetts · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keenan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 50
Suffolk-County, Massachusetts · implied b. ~1890 — 6 household members
| Surname | Keenan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | machinist sh. |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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.
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This person
Anchor record
Mary Keenan
Spouse · 1940 · age 50 · b. ~1890 · Massachusetts
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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 — 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-t0627-01659-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Murphy | 31 | Head | Laborer | Massachusetts |
| 2 | Lucy Murphy | 31 | Wife | — | Massachusetts |
| 3 | Joseph Murphy | 5 | Son | — | Massachusetts |
| 4 | Mary Murphy | 3 | Daughter | — | Massachusetts |
| 5 | Claire Murphy | 2 | Daughter | — | Massachusetts |
| 6 | Caroline Murphy | 1 | Daughter | — | Massachusetts |
| 7 | Henry E. Steele | 51 | Head | Clerk | Massachusetts |
| 8 | Frank H. Steele | 52 | Brother | Law Clerk | Massachusetts |
| 9 | Mary J. Steele | 54 | Sister | Secretary | Massachusetts |
| 10 | John J. Howell | 45 | Head | Laborer | Newfoundland |
| 11 | Annie Howell | 41 | Wife | — | Newfoundland |
| 12 | Patrick G. Howell | 32 | Son | Lumber Salesman | Newfoundland |
| 13 | Nellie L. Howell | 30 | Daughter | Sales Clerk | Newfoundland |
| 14 | Bernard A. Howell | 28 | Son | Sales Clerk | Newfoundland |
| 15 | John B. Howell | 22 | Son | Shipping Clerk | Newfoundland |
| 16 | Alice M. Howell | 26 | Daughter | Cashier | Newfoundland |
| 17 | John A. Barry | 49 | Head | Longshoreman | Massachusetts |
| 18 | Catherine Barry | 46 | Wife | — | Eire |
| 19 | John J. Barry | 20 | Son | Sales Clerk | Massachusetts |
| 20 | Gerald M. Barry | 15 | Son | — | Massachusetts |
| 21 | James J. Barry | 12 | Son | — | Massachusetts |
| 22 | Mary M. Barry | 7 | Daughter | — | Massachusetts |
| 23 | Francis Keenan | 54 | Head | Fireman | Massachusetts |
| 24 | Mary E. Keenan THIS PERSON | 50 | Wife | Machinist Sh. | Massachusetts |
| 25 | Charles F. Keenan | 30 | Son | Machinist | Massachusetts |
| 26 | Mary L. Keenan | 28 | Daughter | School Teacher | Massachusetts |
| 27 | Joseph L. Keenan | 26 | Son | Advertising Clerk | Massachusetts |
| 28 | Francis P. Jr. Keenan | 20 | Son | — | Massachusetts |
| 29 | William Long | 49 | Head | Shipper | Massachusetts |
| 30 | Nora A. Long | 45 | Wife | — | Massachusetts |
| 31 | Robert Long | 16 | Son | — | Massachusetts |
| 32 | Francis X. Long | 12 | Son | — | Massachusetts |
| 33 | Marie F. Long | 10 | Daughter | — | Massachusetts |
| 34 | Gerard Long | 8 | Son | — | Massachusetts |
| 35 | Gerald Long | 6 | Son | — | Massachusetts |
| 36 | Geraldine Long | 6 | Daughter | — | Massachusetts |
| 37 | Margaret Long | 4 | Daughter | — | Massachusetts |
| 38 | Katherine Lavin | 71 | Head | — | Nova Scotia |
| 39 | Catherine Lavin | 43 | Daughter | Bookkeeper | Massachusetts |
| 40 | Mary Lavin | 40 | Daughter | — | Massachusetts |
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)