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Mary Mccormick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Mary Mccormick across the 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 12-person household.
Age 34
b. ~1906
Female
Daughter
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | McCormick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Stoughton Town |
| 1935 Residence (County) | Norfolk |
| Naturalization Status | Alien |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Stoughton Town |
| Est. Birth Year | ~1906 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mccormick | Daughter | — | 34 | ~1906 |
| Anna Mccormick | Daughter | — | 17 | ~1923 |
| Peter Mccormick | Head | — | 72 | ~1868 |
| Francis Mccormick | Son | — | 26 | ~1914 |
| Peter Mccormick | Son | — | 36 | ~1904 |
| William Mccormick | Son | — | 19 | ~1921 |
| Richard Mccormick | Son | — | 17 | ~1923 |
| Andrew Mccormick | Son | — | 31 | ~1909 |
| James Mccormick | Son | — | 22 | ~1918 |
| John Mccormick | Son | — | 28 | ~1912 |
| Thomas Mccormick | Son | — | 24 | ~1916 |
| Isabelle Mccormick | Spouse | — | 59 | ~1881 |
Census Appearances
1930
Norfolk, Massachusetts
Other, age 25
Norfolk, Massachusetts · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Marjorie |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1928 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | 2nd girl |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Norfolk-County, Massachusetts
Daughter, age 34
Norfolk-County, Massachusetts · implied b. ~1906 — 12 household members
| Surname | McCormick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Stoughton Town |
| 1935 Residence (County) | Norfolk |
| Naturalization Status | Alien |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Mccormick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccormick
Daughter · 1940 · age 34 · b. ~1906 · Massachusetts
★ You are viewing this record
Sibling
Richard Mccormick
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccormick
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Mccormick
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Mccormick
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccormick
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mccormick
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mccormick
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccormick
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccormick
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01633-00148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Corbett, | 41 | Wife | Stitcher | England |
| 2 | Clifford W Corbett, | 11 | Son | — | Mass |
| 3 | Leola J Corbett, | 10 | Daughter | — | Mass |
| 4 | Hiram C Reed | 45 | Head | Painter | Rhode Island |
| 5 | Mildred Reed | 42 | Wife | — | England |
| 6 | John Reed | 14 | Son | — | Mass |
| 7 | Robert Reed | 12 | Son | — | Mass |
| 8 | Ruth Reed | 7 | Daughter | — | Mass |
| 9 | Raymond Jasmin | 27 | Head | Shipper | Mass |
| 10 | Margaret Jasmin | 26 | Wife | — | Mass |
| 11 | Robert Jasmin | 1 | Son | — | Mass |
| 12 | Frank Vitkauskas | 50 | Head | Owner | Lithuania |
| 13 | Margaret Vitkauskas | 42 | Wife | Stitcher | Lithuania |
| 14 | Lillian Vitkauskas | 20 | Daughter | New Worker | Mass |
| 15 | Elizabeth Yucos | 64 | Head | — | Lithuania |
| 16 | Eva Yucos | 35 | Daughter | Winder | Lithuania |
| 17 | August Paul | 46 | Head | Ironer | Mass |
| 18 | Anna Paul | 33 | Wife | Rubbing Seams | Lithuania |
| 19 | Anne M Costello | 14 | Step Daughter | — | Mass |
| 20 | Manuel Quental | 25 | Head | Pressman | Mass |
| 21 | Mary Quental | 19 | Wife | Trimming | Portugal |
| 22 | Mary J Barry | 76 | Head | — | Mass |
| 23 | Frederick H Barry | 44 | Son | Coverer | Mass |
| 24 | Frederick W Barry | 14 | Son | — | Mass |
| 25 | Robert Barry | 13 | Son | — | Mass |
| 26 | John Barry | 12 | Son | — | Mass |
| 27 | Evelyn Barry | 11 | Daughter | — | Mass |
| 28 | Peter Mccormick | 72 | Head | — | Scotland |
| 29 | Isabelle Mccormick | 59 | Wife | — | Scotland |
| 30 | Peter Mccormick | 36 | Son | General | Scotland |
| 31 | Mary Mccormick THIS PERSON | 34 | Daughter | — | Scotland |
| 32 | Andrew Mccormick | 31 | Son | Spreader | Scotland |
| 33 | John Mccormick | 28 | Son | Dye House | Scotland |
| 34 | Francis Mccormick | 26 | Son | Curer | Scotland |
| 35 | Thomas Mccormick | 24 | Son | General | Scotland |
| 36 | James Mccormick | 22 | Son | Mechanic | Scotland |
| 37 | William Mccormick | 19 | Son | Winder | Scotland |
| 38 | Richard Mccormick | 17 | Son | — | Scotland |
| 39 | Anna Mccormick | 17 | Daughter | — | Scotland |
| 40 | John Yarush | 42 | Head | Cutter | New Hampshire |
Related Census Records
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)