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Mary Mccormick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Berkshire-County, Massachusetts
Our Model Tree links this Mary Mccormick across the 1920, 1930 and 1940 US Censuses in Berkshire-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 3-person household.
Age 62
b. ~1878
Female
Head
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Berkshire-County, Massachusetts |
| Surname | McCormick |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Hinsdale |
| 1935 Residence (County) | Berkshire |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Hinsdale |
| Est. Birth Year | ~1878 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ella Mccormick | Daughter | — | 26 | ~1914 |
| Mary Mccormick | Head | — | 62 | ~1878 |
| Margaret Hooker | Other | — | 38 | ~1902 |
Census Appearances
1920
Berkshire, Massachusetts
Spouse, age 41
Berkshire, Massachusetts · implied b. ~1879 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | France |
| Mother's Birthplace | France |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Berkshire, Massachusetts
Spouse, age 52
Berkshire, Massachusetts · implied b. ~1878 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | France |
| Mother's Birthplace | France |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Berkshire-County, Massachusetts
Head, age 62
Berkshire-County, Massachusetts · implied b. ~1878 — 3 household members
| Surname | McCormick |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Hinsdale |
| 1935 Residence (County) | Berkshire |
| Highest Grade | No 8 |
| 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 Mccormick 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 Mccormick
Head · 1940 · age 62 · b. ~1878 · 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 — Berkshire-County, Massachusetts
Open full size
1940 US Federal Census — Berkshire-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01570-00932)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph O. Gero | 47 | Head | Laborer | Massachusetts |
| 2 | Florence B. Gero | 41 | Wife | — | Massachusetts |
| 3 | Richard W. Gero | 23 | Son | Mechanic | Massachusetts |
| 4 | Carmella F. Gero | 16 | Daughter | — | Massachusetts |
| 5 | Marguerite E. Gero | 15 | Daughter | — | Massachusetts |
| 6 | Eleanor R. Gero | 13 | Daughter | — | Massachusetts |
| 7 | Bernice E. Gero | 9 | Daughter | — | Massachusetts |
| 8 | Durward W. Gero | 7 | Son | — | Massachusetts |
| 9 | Bessie J. Gero | 5 | Daughter | — | Massachusetts |
| 10 | Judith A. Gero | 3 | Daughter | — | Massachusetts |
| 11 | Betty J. Gero | 1 | Daughter | — | Massachusetts |
| 12 | Chas. H. Sturtevant | 68 | Head | — | Massachusetts |
| 13 | Lydia Sturtevant | 64 | Wife | Proprietor | Massachusetts |
| 14 | Dorothy Sturtevant | 24 | Daughter | — | Massachusetts |
| 15 | George H. Sturtevant | 19 | Son | Plasterer | Massachusetts |
| 16 | Alfred J. Harper | 62 | Head | Dress Maker | Massachusetts |
| 17 | Ruby L. Harper | 43 | Wife | Proprietor | Massachusetts |
| 18 | Chas. H. Russell | 56 | Head | Proprietress | Massachusetts |
| 19 | Edna Russell | 43 | Wife | Laborer | Massachusetts |
| 20 | Fred Owner | 66 | Head | Owner | Massachusetts |
| 21 | Connie Owner | 59 | Wife | — | Massachusetts |
| 22 | Phoebe Owner | 95 | Mother | — | Massachusetts |
| 23 | Harold Loring | 45 | Lodger | Laborer | Massachusetts |
| 24 | Mary A. Mccormick THIS PERSON | 62 | Head | — | Massachusetts |
| 25 | Ella Mccormick | 26 | Daughter | Plater | Massachusetts |
| 26 | Margaret Hooker | 38 | Mother | — | Massachusetts |
| 27 | Victor Hooker | 38 | Head | Laborer | Massachusetts |
| 28 | Charles Hooker | 12 | Son | — | Massachusetts |
| 29 | Joseph Hooker | 10 | Son | — | Massachusetts |
| 30 | David Hooker | 9 | Son | — | Massachusetts |
| 31 | George Driscoll | 45 | Head | Owner | Massachusetts |
| 32 | John Driscoll | 49 | Brother | — | Massachusetts |
| 33 | Jerry Driscoll | 50 | Brother | — | Massachusetts |
| 34 | John Scanlon | 19 | Lodger | Laborer | New York |
| 35 | Erwin Thompson | 27 | Lodger | Laborer | Massachusetts |
| 36 | Edward Jacques | 70 | Head | Owner | Massachusetts |
| 37 | Alice Gould | 68 | Sister | — | Massachusetts |
| 38 | Elmer Jacques | 16 | Lodger | Laborer | Massachusetts |
| 39 | John Mccormick | 62 | Head | Owner | Massachusetts |
| 40 | Thomas Mccormick | 72 | Brother | 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)