MC
Mary Clancy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Mary Clancy across the 1920, 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Clancy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Norwood |
| 1935 Residence (County) | Norfolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Norwood |
| Est. Birth Year | ~1887 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Peter Clancy | Son | — | 29 | ~1911 |
| Nathalie Clancy | Daughter | — | 19 | ~1921 |
| Michael Clancy | Son | — | 24 | ~1916 |
| Mary Clancy | Spouse | — | 53 | ~1887 |
| Palm Clancy | Other | — | 22 | ~1918 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 36
Middlesex, Massachusetts · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clancy |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Middlesex, Massachusetts
Head, age 44
Middlesex, Massachusetts · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clancy |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Alien |
| Year of Immigration | 1906 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Stitcher |
| Industry | Rubber Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Norfolk-County, Massachusetts
Spouse, age 53
Norfolk-County, Massachusetts · implied b. ~1887 — 5 household members
| Surname | Clancy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Norwood |
| 1935 Residence (County) | Norfolk |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Clancy 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 Clancy
Spouse · 1940 · age 53 · b. ~1887 · 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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01629-00116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Clancy THIS PERSON | 53 | Wife | — | Ireland |
| 42 | Peter Clancy | 29 | Son | — | Massachusetts |
| 43 | Michael Clancy | 24 | Son | Secretary | Massachusetts |
| 44 | Nathalie Clancy | 19 | Daughter | Secretary | Massachusetts |
| 45 | Palm Anne Clancy | 22 | Lodger | Secretary | Massachusetts |
| 46 | Mildred Foley | 38 | Head | Stenographer | Massachusetts |
| 47 | Patrick Thornton | 57 | Head | — | Ireland |
| 48 | Delia Thornton | 51 | Wife | — | Ireland |
| 49 | Thomas Thornton | 20 | Son | — | Massachusetts |
| 50 | James A. Surette | 44 | Head | Still Operator | Canada Eng |
| 51 | Irene Surette | 46 | Wife | — | Canada Eng |
| 52 | Grace Surette | 22 | Daughter | Cashier | Canada Eng |
| 53 | Ralph Surette | 21 | Son | Laborer | Canada Eng |
| 54 | Walter Surette | 17 | Son | Office Boy | Canada Eng |
| 55 | Francis Surette | 16 | Son | — | Massachusetts |
| 56 | Annie M. Pothier | 42 | Sister | Housework | Canada Eng |
| 57 | Michael Scannell | 47 | Head | — | Massachusetts |
| 58 | Marie Scannell | 43 | Wife | — | Ireland |
| 59 | Joseph Devan | 54 | Brother in law | Laborer | Ireland |
| 60 | James Devan | 16 | Nephew | — | Massachusetts |
| 61 | Michael Jasko | 24 | Lodger | Laborer | Massachusetts |
| 62 | George Bickford | 14 | Boarder | — | Massachusetts |
| 63 | Arthur Bickford | 12 | Boarder | — | Massachusetts |
| 64 | Michael Donahue | 38 | Head | Tacker | Massachusetts |
| 65 | Mary Donahue | 36 | Wife | — | Massachusetts |
| 66 | John Donahue | 12 | Son | — | Massachusetts |
| 67 | Joan Donahue | 9 | Daughter | — | Massachusetts |
| 68 | Patricia Donahue | 7 | Daughter | — | Massachusetts |
| 69 | Richard Donahue | 6 | Son | — | Massachusetts |
| 70 | Harold Lydon | 30 | Brother in law | Laborer | Massachusetts |
| 71 | Ernest Sheehan | 46 | Head | Sta. Engineer | Canada |
| 72 | Margaret Sheehan | 44 | Wife | — | Ireland |
| 73 | John Sheehan | 15 | Son | — | Massachusetts |
| 74 | Peter Sheehan | 14 | Son | — | Massachusetts |
| 75 | Margaret Sheehan | 11 | Daughter | — | Massachusetts |
| 76 | Lillian Coughlin | 62 | Head | — | Ireland |
| 77 | Eleanor Coughlin | 37 | Daughter | — | Massachusetts |
| 78 | Charles Coughlin | 32 | Son | Bookbinder | Massachusetts |
| 79 | John Coughlin | 27 | Son | Laborer | Massachusetts |
| 80 | Paul Coughlin | 25 | Son | Laborer | 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)