MK
Mary King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Mary King across the 1920, 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Anthony & Catherine — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | King |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chicopee |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Occupation | New worker |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | New Worker |
| Township / Ward | Chicopee |
| Est. Birth Year | ~1919 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Katherine King | Daughter | — | 25 | ~1915 |
| Mary King | Daughter | — | 21 | ~1919 |
| Catherine King | Head | — | 61 | ~1879 |
| Anthony King | Other | — | 87 | ~1853 |
Census Appearances
1920
Hampden, Massachusetts
Daughter, age 1
Hampden, Massachusetts · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Hampden, Massachusetts
Daughter, age 11
Hampden, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Daughter, age 21
Hampden-County, Massachusetts · implied b. ~1919 — 4 household members
| Surname | King |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chicopee |
| 1935 Residence (County) | Hampden |
| Occupation | New worker |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Anthony King (~0.92 confidence) and mother Catherine King (~0.92 confidence) and mother Catherine King (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anthony King
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Catherine King
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Catherine King
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary King
Daughter · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Katherine King
Sibling · 1940 · age 25
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 — 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-t0627-01594-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agnes V. Travers | 39 | Daughter | Secretary | Massachusetts |
| 42 | William H Mcdonald | 65 | Head | Toolmaker | Canada (Eng) |
| 43 | Essex S Mcdonald | 55 | Wife | — | New Hampshire |
| 44 | Irving J Lyons | 52 | Head | — | Massachusetts |
| 45 | Alfred J Reed | 62 | Head | — | New York |
| 46 | Elizabeth B Reed | 62 | Housekeeper | Housekeeper | Massachusetts |
| 47 | Anne W Moran | 67 | Head | — | Massachusetts |
| 48 | Leonore Moran | 43 | Daughter | Secretary | Massachusetts |
| 49 | James Moran | 37 | Son | Clerk | Massachusetts |
| 50 | Beatrice Moran | 34 | Daughter | Secretary | Massachusetts |
| 51 | Clare Moran | 30 | Daughter | Teacher | Massachusetts |
| 52 | Donald Moran | 27 | Son | Civil Engineer | Massachusetts |
| 53 | Dorothy Moran | 25 | Daughter | Clerk | Massachusetts |
| 54 | Marjorie Moran | 22 | Daughter | Secretary | Massachusetts |
| 55 | Donald J Moran | 8 | Grandson | — | New York |
| 56 | Levi F Moore | 63 | Head | Machinist | Massachusetts |
| 57 | Edith M Moore | 59 | Wife | — | Massachusetts |
| 58 | Lucy L Moore | 34 | Daughter | Nurse | Massachusetts |
| 59 | Thomas Mellor | 45 | Head | Comm. Traveler | Massachusetts |
| 60 | Dorothea Mellor | 45 | Wife | — | Massachusetts |
| 61 | Erwin Mellor | 19 | Son | Stock Clerk | Massachusetts |
| 62 | Lawrence Green | 45 | Head | Record Surveyor | England |
| 63 | Mary Q Green | 41 | Wife | — | Massachusetts |
| 64 | Warren Green | 18 | Son | Press Brazer | Massachusetts |
| 65 | Helena Green | 15 | Daughter | — | Massachusetts |
| 66 | Dorothy Green | 8 | Daughter | — | Massachusetts |
| 67 | Henry Nelligan | 70 | Head | — | Massachusetts |
| 68 | Helena Nelligan | 63 | Wife | — | England |
| 69 | Richard H Lansing | 66 | Lodger | Mechanical Eng | New York |
| 70 | Muriel Wynn | 48 | Head | Seamstress | Massachusetts |
| 71 | Margaret Wynn | 79 | Mother | — | Canada (Eng) |
| 72 | John Clark | 46 | Lodger | Press Operator | Russia |
| 73 | Catherine King | 61 | Head | — | Rhode Island |
| 74 | Katherine King | 25 | Daughter | Part Time Attendant | Massachusetts |
| 75 | Mary King THIS PERSON | 21 | Daughter | New Worker | Massachusetts |
| 76 | Anthony King | 87 | Father | Repairer (Fire) | Massachusetts |
| 77 | Louisa Wilson | 76 | Head | — | Massachusetts |
| 78 | Norman Myott | 24 | Head | Laborer | New York |
| 79 | Phyllis E Myott | 28 | Wife | Librarian | New York |
| 80 | Harriet Mcneil | 57 | Head | — | Massachusetts |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 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)