MF
Mary Finney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Mary Finney across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a daughter (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Finney |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | teacher |
| Industry | public schools |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Brockton City |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Agnes Finney | Spouse | — | 63 | ~1877 |
| Alice Finney | Daughter | — | 35 | ~1905 |
| Mary Finney | Daughter | — | 26 | ~1914 |
| L Finney | Head | — | 67 | ~1873 |
Census Appearances
1920
Plymouth, Massachusetts
Daughter, age 5
Plymouth, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phinney |
| Given Name | Marjorie G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Daughter, age 15
Plymouth, Massachusetts · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phinney |
| Given Name | Marjorie E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Daughter, age 26
Plymouth-County, Massachusetts · implied b. ~1914 — 4 household members
| Surname | Finney |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Occupation | teacher |
| Industry | public schools |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 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 Finney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Phinney (~0.92 confidence) and father Harry Phinney (~0.92 confidence) and father L Finney (~0.92 confidence) and mother Agnes Finney (~0.92 confidence) and mother Mary Phinney (~0.92 confidence) and mother Maud Phinney (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Phinney
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Harry Phinney
b. ~1888
Source father
● Household
· direct · ~0.92
Father
L Finney
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Agnes Finney
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mary Phinney
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Maud Phinney
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Finney
Daughter · 1940 · age 26 · b. ~1914 · Massachusetts
★ You are viewing this record
Sibling
Alice Finney
Sibling · 1940 · age 35
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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01635-00572)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | L. Guy Finney | 67 | Head | Draftsman | Ohio |
| 42 | Agnes Finney | 63 | Wife | — | Scotland |
| 43 | Alice Finney | 35 | Daughter | Teacher | Massachusetts |
| 44 | Mary E. Finney THIS PERSON | 26 | Daughter | Teacher | Massachusetts |
| 45 | House Under Block | None | 555 | 6 | s |
| 46 | Austin Curse | 59 | Head | Laster | Italy |
| 47 | Jennie Curse | 52 | Wife | — | Italy |
| 48 | Viola Curse | 22 | Daughter | Operator | Massachusetts |
| 49 | Alba Curse | 19 | Daughter | — | Massachusetts |
| 50 | Thomas E. Healy | 32 | Head | Road Mender | Massachusetts |
| 51 | Hazel C. Healy | 32 | Wife | — | Massachusetts |
| 52 | Claire Healy | 9 | Daughter | — | Massachusetts |
| 53 | Thomas E. Jr. Healy | 1 | Son | — | Massachusetts |
| 54 | Thomas L. Healy | 65 | Father | Tree | Massachusetts |
| 55 | Alfred Pepe | 28 | Head | Salesman | New Hampshire |
| 56 | Rose C. Pepe | 24 | Wife | Waitress | Massachusetts |
| 57 | Joyce Pepe | 0 | Daughter | — | Massachusetts |
| 58 | Antony Vasi | 46 | Head | Laster | Italy |
| 59 | Adeline Vasi | 39 | Wife | — | Italy |
| 60 | Angelina Vasi | 19 | Daughter | Housekeeper | Massachusetts |
| 61 | Fannie Vasi | 14 | Daughter | — | Massachusetts |
| 62 | James Mcmillan | 49 | Head | Laborer | Irish Free State |
| 63 | Mary A. Mcmillan | 50 | Wife | — | Scotland |
| 64 | Stephen Redden | 37 | Head | Chauffeur | Massachusetts |
| 65 | Mary Redden | 35 | Wife | — | Massachusetts |
| 66 | Margaret Redden | 15 | Daughter | — | Massachusetts |
| 67 | James Redden | 5 | Son | — | Massachusetts |
| 68 | James Wilmont | 77 | Father-in-law | — | Scotland |
| 69 | Fred Finney | 42 | Head | — | Massachusetts |
| 70 | Rose Finney | 40 | Wife | — | Massachusetts |
| 71 | Fred Jr. Finney | 10 | Son | — | Massachusetts |
| 72 | John Finney | 8 | Son | — | Massachusetts |
| 73 | Alice Finney | 7 | Daughter | — | Massachusetts |
| 74 | Louis Agostinelli | 30 | Head | Manager | Massachusetts |
| 75 | Dorothy Agostinelli | 29 | Wife | Secretary | Massachusetts |
| 76 | Edward Keith | 38 | Head | Clerk | Massachusetts |
| 77 | Ruth Keith | 37 | Wife | — | Massachusetts |
| 78 | William F. Keith | 5 | Son | — | Massachusetts |
| 79 | Rocco Valante | 58 | Head | Finisher | Italy |
| 80 | Mary Valante | 55 | Wife | — | Italy |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 6 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)