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Mary Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Mary Mason across the 1920, 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Elizabeth — first a daughter (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Female
Daughter
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Mason |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | SPRINGFIELD |
| 1935 Residence (County) | HAMPDEN |
| Additional Details | |
| Occupation | Telephone Operator |
| Industry | Public Utility |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1375 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Telephone Operator |
| Township / Ward | Springfield |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Mary Mason | Daughter | — | 40 | ~1900 |
| Elizabeth Mason | Head | — | 59 | ~1881 |
| Frances Anderson | Other | — | 43 | ~1897 |
| Gilbert Fitch | Other | — | 35 | ~1905 |
Census Appearances
1920
Hampden, Massachusetts
Other, age 21
Hampden, Massachusetts · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | May |
| Relationship to Head | partner |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Hampden, Massachusetts
Daughter, age 29
Hampden, Massachusetts · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Hampden-County, Massachusetts
Daughter, age 40
Hampden-County, Massachusetts · implied b. ~1900 — 4 household members
| Surname | Mason |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | SPRINGFIELD |
| 1935 Residence (County) | HAMPDEN |
| Occupation | Telephone Operator |
| Industry | Public Utility |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1375 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Mason (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Mason
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mason
Daughter · 1940 · age 40 · b. ~1900 · 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 — 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-t0627-01708-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sara Greene | 57 | Lodger | — | Massachusetts |
| 42 | Laura Davis | 75 | Lodger | — | Maine |
| 43 | Fanny Allen | 55 | Lodger | — | Massachusetts |
| 44 | Lodger Mazie | None | F | — | — |
| 45 | Lester Crosby | 31 | Lodger | Tenner | Massachusetts |
| 46 | Julia Harleman | 66 | Head | — | Massachusetts |
| 47 | Lossie Harleman | 38 | Daughter | Secretary | Massachusetts |
| 48 | Francis Healy | 37 | Head | Technical Engineer | Connecticut |
| 49 | Florance Healy | 37 | Wife | — | Canada French |
| 50 | Robert Healy | 13 | Son | — | Massachusetts |
| 51 | Erwin Stearns | 69 | Head | Clerk | Vermont |
| 52 | Nora Stearns | 57 | Wife | 0 | Colorado |
| 53 | Mary Stearns | 36 | Daughter | Fruit Packer | Massachusetts |
| 54 | Elizabeth Mason | 59 | Head | 0 | Maine |
| 55 | Mary Mason THIS PERSON | 40 | Daughter | Telephone Operator | Maine |
| 56 | Frances Anderson | 43 | Roomer | Telephone Operator | New Jersey |
| 57 | Gilbert Fitch | 35 | Roomer | Gas Station Attendant | Maine |
| 58 | Charles Munger | 58 | Head | Inspector | Massachusetts |
| 59 | Lillian Munger | 51 | Wife | — | Massachusetts |
| 60 | William Hannon | 51 | Head | Service Clerk | Massachusetts |
| 61 | Mary Hannon | 44 | Wife | — | Massachusetts |
| 62 | John Hannon | 82 | Father | — | Massachusetts |
| 63 | Mary Hannon | 55 | Sister | Saleslady | Massachusetts |
| 64 | Marshall Potter | 40 | Head | Machinist Fireman | Massachusetts |
| 65 | Alice Potter | 38 | Wife | Elementary Teacher | Massachusetts |
| 66 | Arthur Dales | 66 | Head | Janitor | Massachusetts |
| 67 | Bessie Dales | 63 | Wife | 0 | New Hampshire |
| 68 | Anna B. Boedeker | 45 | Head | Manager | Canada French |
| 69 | Jane Boedeker | 11 | Daughter | — | Massachusetts |
| 70 | Delia Boedeker | 76 | Mother | — | Canada French |
| 71 | John Bovey | 46 | Head | Police Officer | Vermont |
| 72 | Marie Bovey | 38 | Wife | 0 | Vermont |
| 73 | Virginia Bovey | 13 | Daughter | — | Vermont |
| 74 | Patricia Bovey | 8 | Daughter | — | Vermont |
| 75 | John Schreiber | 25 | Head | Sausage Maker | New York |
| 76 | Landa Schreiber | 20 | Wife | — | Pennsylvania |
| 77 | John Cummings | 71 | Head | Janitor | Massachusetts |
| 78 | John Johns | 41 | Son | Guard | Massachusetts |
| 79 | Rose Latraverse | 45 | Head | Proprietor | Belgium |
| 80 | Walter Sheff | 55 | Roomer | Salesman | Massachusetts |
Pedigree Summary
Mary
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)