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John Mccormack — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hampshire-County, Massachusetts
Our Model Tree links this John Mccormack across the 1920, 1930 and 1940 US Censuses in Hampshire-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Nellie — first a head (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
Male
Head
Born: Vermont
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampshire-County, Massachusetts |
| Surname | McCormack |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Ware |
| 1935 Residence (County) | Hampshire |
| Additional Details | |
| Industry | Knitting Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 896 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Township / Ward | Ware |
| Est. Birth Year | ~1891 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Maureen Mccormack | Daughter | — | 14 | ~1926 |
| John Mccormack | Head | — | 49 | ~1891 |
| Margaret Mccormack | Spouse | — | 52 | ~1888 |
| Vida Mccormack | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Hampden, Massachusetts
Son, age 29
Hampden, Massachusetts · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | John C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Machinist |
| Industry | Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Hampshire, Massachusetts
Head, age 39
Hampshire, Massachusetts · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 22 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Machinist |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Hampshire-County, Massachusetts
Head, age 49
Hampshire-County, Massachusetts · implied b. ~1891 — 4 household members
| Surname | McCormack |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Ware |
| 1935 Residence (County) | Hampshire |
| Industry | Knitting Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 896 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 John Mccormack across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Nellie Mccormack (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nellie Mccormack
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mccormack
Head · 1940 · age 49 · b. ~1891 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hampshire-County, Massachusetts
Open full size
1940 US Federal Census — Hampshire-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01600-00868)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Hare | 68 | Wife | — | Canada-French |
| 2 | William J. Pawlow | 60 | Head | Weaver | Massachusetts |
| 3 | Basil Pawlow | 54 | Son | — | Canada-English |
| 4 | Beatrice E. Pawlow | 21 | Daughter | Winder | Massachusetts |
| 5 | Eva L. Polley | 61 | Head | — | Massachusetts |
| 6 | Walter W. Bodner | 43 | Head | Proprietor | Massachusetts |
| 7 | Mary E. Bodner | 35 | Wife | — | Massachusetts |
| 8 | Dorothy M. Bodner | 15 | Daughter | — | Massachusetts |
| 9 | Christine C. Bodner | 12 | Daughter | — | Massachusetts |
| 10 | Helen A. Bodner | 6 | Daughter | — | Massachusetts |
| 11 | Adelard J. Mancil | 69 | Head | — | Vermont |
| 12 | Parmelia R. Mancil | 39 | Daughter | — | Massachusetts |
| 13 | Dora C. Mancil | 29 | Daughter | Billing Clerk | Massachusetts |
| 14 | Patrick J. Corbett | 43 | Lodger | Proprietor | Massachusetts |
| 15 | Medric O. Sansouci | 61 | Head | Repair | Canada-French |
| 16 | Mary Sansouci | 63 | Wife | — | Canada-French |
| 17 | Mathilda Lapierre | 88 | Head | — | Canada-French |
| 18 | Josephine M. Lapierre | 61 | Daughter | — | Massachusetts |
| 19 | Wilfrid J. Lapierre | 60 | Son | Team Driver | Massachusetts |
| 20 | John B. Marland | 63 | Head | Mechanic | Massachusetts |
| 21 | Bertha M. Marland | 55 | Wife | — | Massachusetts |
| 22 | John C. Mccormack THIS PERSON | 49 | Head | — | Vermont |
| 23 | Margaret C. Mccormack | 52 | Wife | — | New Jersey |
| 24 | Vida M. Mccormack | 19 | Daughter | Bookkeeper | Massachusetts |
| 25 | Maureen A. Mccormack | 14 | Daughter | — | Massachusetts |
| 26 | Wilbert H. Mancil | 32 | Head | Clerk | Massachusetts |
| 27 | Anna F. Mancil | 28 | Wife | — | Massachusetts |
| 28 | Richard W. Mancil | 7 | Son | — | Massachusetts |
| 29 | Agnes J. Lego | 28 | Head | Bookkeeper | Massachusetts |
| 30 | Mary A. Sullivan | 47 | Head | — | Vermont |
| 31 | Daniel J. Sullivan | 52 | Brother | Laborer | Vermont |
| 32 | Dorothea M. Sullivan | 25 | Niece | Registered Nurse | Massachusetts |
| 33 | Julia E. Shea | 72 | Aunt | — | Eire |
| 34 | John T. Judd | 69 | Head | Wine Clerk | Eire |
| 35 | Mary E. Judd | 58 | Wife | — | Massachusetts |
| 36 | Martin J. Bolger | 15 | Stepson | — | Massachusetts |
| 37 | Edward Doblecourt | 15 | Stepson | — | Massachusetts |
| 38 | Frank Brunella | 63 | Head | Laborer | Massachusetts |
| 39 | Alphonsine Brunella | 62 | Wife | — | Canada-French |
| 40 | Peter J. Sullivan | 56 | Head | Salesman | Massachusetts |
Pedigree Summary
John
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)