MJ
Mary Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Mary Jackson across the 1920, 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 6-person household.
Age 54
b. ~1886
Female
Spouse
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Holyoke |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Holyoke |
| Est. Birth Year | ~1886 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Jackson | Daughter | — | 24 | ~1916 |
| Mildred Jackson | Daughter | — | 33 | ~1907 |
| Evelyn Jackson | Daughter | — | 21 | ~1919 |
| Rita Jackson | Daughter | — | 19 | ~1921 |
| Edward Jackson | Son | — | 16 | ~1924 |
| Mary Jackson | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Hampden, Massachusetts
Spouse, age 39
Hampden, Massachusetts · implied b. ~1881 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | Canada |
| Mother's Birthplace | New Hampshire |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Hampden, Massachusetts
Spouse, age 48
Hampden, Massachusetts · implied b. ~1882 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 22 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Hampden-County, Massachusetts
Spouse, age 54
Hampden-County, Massachusetts · implied b. ~1886 — 6 household members
| Surname | Jackson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Holyoke |
| 1935 Residence (County) | Hampden |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Jackson 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 Jackson
Spouse · 1940 · age 54 · b. ~1886 · 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 — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01595-00027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Jackson THIS PERSON | 54 | wife | — | New Hampshire |
| 2 | Mildred Jackson | 33 | daughter | — | New Hampshire |
| 3 | Agnes Jackson | 24 | daughter | New Worker | Mass |
| 4 | Evelyn Jackson | 21 | daughter | New Worker | Mass |
| 5 | Rita Jackson | 19 | daughter | New Worker | Mass |
| 6 | Edward Jackson | 16 | son | — | Mass |
| 7 | Margaret Keith | 44 | Head | Nurse | Mass |
| 8 | Margaret | 21 | daughter | — | Mass |
| 9 | William | 19 | son | — | Mass |
| 10 | Ann | 17 | daughter | — | Mass |
| 11 | John | 13 | son | — | Mass |
| 12 | David | 10 | son | — | Mass |
| 13 | Agnes | 8 | daughter | — | Mass |
| 14 | Lionel Provost | 42 | Head | Carpenter | Mass |
| 15 | Ethel | 44 | wife | — | New Jersey |
| 16 | Delvine | 8 | daughter | — | New York |
| 17 | Walter Mazuroski | 52 | Head | Painter | Poland |
| 18 | Edna | 46 | wife | — | Poland |
| 19 | Sophie | 22 | daughter | New Worker | Mass |
| 20 | Irene | 18 | daughter | Laborer | Mass |
| 21 | Anthony | 15 | son | New Worker | Mass |
| 22 | Emile | 5 | son | — | Mass |
| 23 | Chester Dybkowski | 26 | son-in-law | Mill Hand | Mass |
| 24 | Helen Dybkowski | 24 | daughter | — | Mass |
| 25 | Theophile Lively | 34 | Head | Boxmaker | Mass |
| 26 | Clara | 31 | wife | — | Conn |
| 27 | Marie | 5 | daughter | — | Mass |
| 28 | Arnold | 3 | son | — | Mass |
| 29 | Alfred Gabriel | 41 | Head | Proprietor | Mass |
| 30 | Albina | 41 | wife | Cook | Mass |
| 31 | Robert | 18 | son | Waiter | Mass |
| 32 | Eugene | 17 | son | Waiter | Mass |
| 33 | Cecile | 13 | daughter | — | Mass |
| 34 | Paul | 11 | son | — | Mass |
| 35 | Rene Dupuis | 46 | Head | Draftsman Mechanical | Mass |
| 36 | Eva | 45 | wife | — | Mass |
| 37 | Felix Mozgala | 55 | Head | Millwright | Poland |
| 38 | Felicia | 55 | wife | — | Poland |
| 39 | Theophile | 18 | son | — | Mass |
| 40 | Helen | 14 | daughter | — | Mass |
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)