MD
Mary Daley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Mary Daley across the 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 8-person household.
Age 43
b. ~1897
Female
Spouse
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Daley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | At Home |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | At Home |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1897 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marie Daley | Daughter | — | 12 | ~1928 |
| Evelyn Daley | Daughter | — | 16 | ~1924 |
| Richard Daley | Son | — | 9 | ~1931 |
| William Daley | Head | — | 37 | ~1903 |
| Dorothy Daley | Daughter | — | 6 | ~1934 |
| Pauline Daley | Daughter | — | 13 | ~1927 |
| William Daley | Son | — | 10 | ~1930 |
| Mary Daley | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Worcester, Massachusetts
Spouse, age 34
Worcester, Massachusetts · implied b. ~1896 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dailey |
| Given Name | Mary S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1899 |
| Age at First Marriage | 18 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Worcester-County, Massachusetts
Spouse, age 43
Worcester-County, Massachusetts · implied b. ~1897 — 8 household members
| Surname | Daley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Naturalization Status | First papers filed |
| Occupation | At Home |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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.
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This person
Anchor record
Mary Daley
Spouse · 1940 · age 43 · b. ~1897 · 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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01714-00061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Hogglund | 34 | Head | Tester | Massachusetts |
| 42 | Bernice Hogglund | 26 | Wife | At Home | Vermont |
| 43 | Barbara Hogglund | 5 | Daughter | — | Massachusetts |
| 44 | Harry Hogglund | 5 | Son | — | Massachusetts |
| 45 | Phillip Hogglund | 3 | Son | — | Massachusetts |
| 46 | Duane Hogglund | 1 | Son | — | Massachusetts |
| 47 | Edward Swilchowicz | 50 | Head | Watchman | Poland |
| 48 | Mary Swilchowicz | 46 | Wife | At Home | Poland |
| 49 | Eugene Swilchowicz | 24 | Son | Hand Operator | Massachusetts |
| 50 | Edward Jr. Swilchowicz | 22 | Son | Machine Operator | Massachusetts |
| 51 | Frances Swilchowicz | 21 | Daughter | Stitcher | Massachusetts |
| 52 | Victor Swilchowicz | 19 | Son | Machinist | Massachusetts |
| 53 | Stephen Swilchowicz | 8 | Son | — | Massachusetts |
| 54 | Irene Swilchowicz | 5 | Daughter | — | Massachusetts |
| 55 | Carl Babbitt | 54 | Head | Laborer | Connecticut |
| 56 | Etta Babbitt | 39 | Wife | At Home | Massachusetts |
| 57 | Esther Babbitt | 18 | Daughter | Laboratory | Massachusetts |
| 58 | Calvin Babbitt | 14 | Son | — | Connecticut |
| 59 | Alvin Babbitt | 14 | Son | — | Connecticut |
| 60 | Grace Babbitt | 13 | Daughter | — | Connecticut |
| 61 | Carl Jr. Babbitt | 6 | Son | — | Massachusetts |
| 62 | Roland Babbitt | 3 | Son | — | Massachusetts |
| 63 | William Gagnon | 26 | Head | Laborer | Vermont |
| 64 | Eva Gagnon | 23 | Wife | At Home | Lithuania |
| 65 | William Jr. Gagnon | 3 | Son | — | Massachusetts |
| 66 | Leo Gagnon | 2 | Son | — | Massachusetts |
| 67 | Daniel Gagnon | 0 | Son | — | Massachusetts |
| 68 | William Daley | 37 | Head | At Home | Massachusetts |
| 69 | Mary Daley THIS PERSON | 43 | Wife | At Home | Poland |
| 70 | Evelyn Daley | 16 | Daughter | — | Massachusetts |
| 71 | Pauline Daley | 13 | Daughter | — | Massachusetts |
| 72 | Marie Daley | 12 | Daughter | — | Massachusetts |
| 73 | William Jr. Daley | 10 | Son | — | Massachusetts |
| 74 | Richard Daley | 9 | Son | — | Massachusetts |
| 75 | Dorothy Daley | 6 | Daughter | — | Massachusetts |
| 76 | Frank Ash | 55 | Head | Maintenance | Vermont |
| 77 | Minnie Ash | 61 | Wife | At Home | Vermont |
| 78 | Germaine Ash | 11 | Daughter | — | Connecticut |
| 79 | James Finnegan | 37 | Head | At Home | Massachusetts |
| 80 | Sarah Finnegan | 32 | Wife | At Home | 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)