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Mary Buckley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Buckley across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 6-person household.
Age 49
b. ~1891
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Buckley |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Belmont Town |
| Est. Birth Year | ~1891 |
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 |
|---|---|---|---|---|
| Helen Buckley | Daughter | — | 20 | ~1920 |
| Mary Buckley | Daughter | — | 15 | ~1925 |
| Francis Buckley | Head | — | 53 | ~1887 |
| Harry Buckley | Son | — | 24 | ~1916 |
| Morton Buckley | Son | — | 22 | ~1918 |
| Mary Buckley | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 28
Middlesex, Massachusetts · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buckley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Spouse, age 38
Middlesex, Massachusetts · implied b. ~1892 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buckley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 18 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 49
Middlesex-County, Massachusetts · implied b. ~1891 — 6 household members
| Surname | Buckley |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Massachusetts |
| 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 Buckley 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 Buckley
Spouse · 1940 · age 49 · b. ~1891 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01603-00105)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Gilbert | 62 | Aunt-in-law | — | Massachusetts |
| 2 | Percy L. Prescott | 48 | Head | Office Manager | Massachusetts |
| 3 | Marion P. Prescott | 47 | Wife | — | Massachusetts |
| 4 | Anne Prescott | 17 | Daughter | — | Massachusetts |
| 5 | Robert L. Prescott | 14 | Son | — | Massachusetts |
| 6 | Willie R. Tilton | 66 | Head | Head Clerk | Massachusetts |
| 7 | Grace D. Tilton | 66 | Wife | — | Massachusetts |
| 8 | Herbert J. Reilly | 50 | Head | Owner-President | Massachusetts |
| 9 | Dorothy V. Reilly | 46 | Wife | — | Massachusetts |
| 10 | John J. Reilly | 16 | Son | — | Massachusetts |
| 11 | Virginia M. Reilly | 15 | Daughter | — | Massachusetts |
| 12 | Richard M. Cleveland | 41 | Head | Traveling Salesman | Massachusetts |
| 13 | Ellen E. Cleveland | 42 | Wife | — | Massachusetts |
| 14 | Nancy E. Cleveland | 7 | Daughter | — | Massachusetts |
| 15 | Paul M. Reilly | 17 | Lodger | — | Massachusetts |
| 16 | Walter E. Devine | 57 | Head | Manufacturer | Rhode Island |
| 17 | Mary E. Devine | 55 | Wife | — | Rhode Island |
| 18 | Mary A. Devine | 23 | Daughter | Stenographer | Rhode Island |
| 19 | Helen L. Devine | 21 | Daughter | — | Rhode Island |
| 20 | Edward J. Devine | 19 | Son | — | Rhode Island |
| 21 | William F. Pounder | 50 | Head | Inspector-Iron | Massachusetts |
| 22 | Francis W. Pounder | 55 | Wife | — | Massachusetts |
| 23 | William F. Jr. Pounder | 20 | Son | Clerk | Massachusetts |
| 24 | Ethel M. Pounder | 15 | Daughter | Secretary | Massachusetts |
| 25 | Archie C. Kennel | 33 | Head | Lawyer | Missouri |
| 26 | Elizabeth A. Kennel | 25 | Wife | — | Massachusetts |
| 27 | Charles F. Kennel | 0 | Son | — | Massachusetts |
| 28 | Frank E. Kelly | 46 | Head | Banker | Massachusetts |
| 29 | Frances E. Kelly | 35 | Wife | — | Massachusetts |
| 30 | Robert F. Kelly | 5 | Son | — | Massachusetts |
| 31 | Etta Fine Kelly | 76 | Mother-in-law | — | Massachusetts |
| 32 | Howard B. Parker | 46 | Head | Proprietor-Owner | Massachusetts |
| 33 | Isabella M. Parker | 46 | Wife | — | Massachusetts |
| 34 | Howard B. Parker | 11 | Son | — | Massachusetts |
| 35 | Francis J. Buckley | 53 | Head | Auditor | Massachusetts |
| 36 | Mary A. Buckley THIS PERSON | 49 | Wife | — | Massachusetts |
| 37 | Harry F. Buckley | 24 | Son | Clerk | Massachusetts |
| 38 | Morton G. Buckley | 22 | Son | Clerk-Stenographer | Massachusetts |
| 39 | Helen A. Buckley | 20 | Daughter | Stenographer | Massachusetts |
| 40 | Mary V. Buckley | 15 | 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)