MD
Mary Daley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Daley across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1912), then head of a 7-person household.
Age 28
b. ~1912
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Daley |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1912 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edward Daley | Son | — | 5 | ~1935 |
| Carol Daley | Daughter | — | 2 | ~1938 |
| Robert Daley | Son | — | 3 | ~1937 |
| Dorothy Daley | Daughter | — | 7 | ~1933 |
| Barbara Daley | Daughter | — | ~1940 | |
| Mary Daley | Spouse | — | 28 | ~1912 |
| Edward Daley | Head | — | 30 | ~1910 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 18
Suffolk, Massachusetts · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daley |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 28
Suffolk-County, Massachusetts · implied b. ~1912 — 7 household members
| Surname | Daley |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| 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 Daley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Daley
Spouse · 1940 · age 28 · b. ~1912 · 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-t0627-01669-00726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph F. Lennon | 55 | Head | Carpenter | Irish Free State |
| 2 | Margaret Lennon | 43 | Wife | — | Irish Free State |
| 3 | Joseph Lennon | 13 | Son | — | Massachusetts |
| 4 | Mary Lennon | 8 | Daughter | — | Massachusetts |
| 5 | William Lennon | 4 | Son | — | Massachusetts |
| 6 | John Lennon | 3 | Son | — | Massachusetts |
| 7 | Sylvester Rafferty | 69 | Head | — | Irish Free State |
| 8 | Bridget Rafferty | 69 | Wife | — | Irish Free State |
| 9 | Margaret Rafferty | 35 | Daughter | Waitress | Massachusetts |
| 10 | Edward Gavin | 48 | Head | Sexton | Irish Free State |
| 11 | Ann Gavin | 54 | Wife | — | Irish Free State |
| 12 | Mary Gavin | 24 | Daughter | Typist | Massachusetts |
| 13 | Joseph Gavin | 23 | Son | Clerk, Sales | Massachusetts |
| 14 | Anna Gavin | 21 | Daughter | Typist | Massachusetts |
| 15 | Michael J. Hogarty | 39 | Head | Shipper | Irish Free State |
| 16 | Nellie Hogarty | 36 | Wife | — | Irish Free State |
| 17 | Edward M. Hogarty | 5 | Son | — | Massachusetts |
| 18 | Joanne Hogarty | 1 | Daughter | — | Massachusetts |
| 19 | Eleanor V. Hogarty | 0 | Daughter | — | Massachusetts |
| 20 | John Ford | 43 | Head | Millwright | Irish Free State |
| 21 | Mary Ford | 39 | Wife | — | Irish Free State |
| 22 | William F. Fallon | 59 | Head | Laborer | Massachusetts |
| 23 | Jessie M. Fallon | 54 | Wife | Operator Tel | Massachusetts |
| 24 | Edith J. Fallon | 48 | Sister-in-law | Gen. Work. | Massachusetts |
| 25 | Edward J. Daley | 30 | Head | Bricklayer | Massachusetts |
| 26 | Mary J. Daley THIS PERSON | 28 | Wife | — | Massachusetts |
| 27 | Dorothy Daley | 7 | Daughter | — | Massachusetts |
| 28 | Edward Daley | 5 | Son | — | Massachusetts |
| 29 | Robert Daley | 3 | Son | — | Massachusetts |
| 30 | Carol Daley | 2 | Daughter | — | Massachusetts |
| 31 | Barbara Daley | 0 | Daughter | — | Massachusetts |
| 32 | Charles L. Murphy | 41 | Head | Assembler | British West Indies |
| 33 | Mary F. Murphy | 48 | Wife | — | Massachusetts |
| 34 | Theresa Murphy | 13 | Daughter | — | Massachusetts |
| 35 | Charles Murphy | 12 | Son | — | Massachusetts |
| 36 | Leonore Murphy | 8 | Daughter | — | Massachusetts |
| 37 | Margaret Reilly | 74 | Head | — | Irish Free State |
| 38 | Agnes D. Reilly | 35 | Daughter | Waitress | Massachusetts |
| 39 | Mildred T. Reilly | 33 | Daughter | Operator | Massachusetts |
| 40 | Henry P. Rogers | 38 | Head | Dental Lab | 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)