MF
Mary Finley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Mary Finley across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 8-person household.
Age 27
b. ~1913
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Finley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | clerk |
| Industry | institution |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 624 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1913 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Finley | Daughter | — | 27 | ~1913 |
| John Finley | Son | — | 30 | ~1910 |
| Catherine Finley | Daughter | — | 32 | ~1908 |
| Mary Finley | Head | — | 55 | ~1885 |
| William Finley | Son | — | 21 | ~1919 |
| Edward Finley | Son | — | 29 | ~1911 |
| Frank Finley | Son | — | 25 | ~1915 |
| Thomas Finley | Son | — | 23 | ~1917 |
Census Appearances
1930
Erie, New …
Daughter, age 17
Erie, New York · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Finley |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Mail Dept. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Daughter, age 27
Erie-County, New York · implied b. ~1913 — 8 household members
| Surname | Finley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Occupation | clerk |
| Industry | institution |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 624 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Finley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Finley
Daughter · 1940 · age 27 · b. ~1913 · New York
★ You are viewing this record
Sibling
Edward Finley
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Finley
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Finley
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Finley
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Finley
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Finley
Sibling · 1940 · age 30
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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02823-00989)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donna O'Brien | 9 | Daughter | — | New York |
| 2 | John Cleary | 28 | Head | Patrolman | New York |
| 3 | Evelyn Cleary | 25 | Wife | — | New York |
| 5 | Frank Goreart | 56 | Head | Stationary Engineer | Pennsylvania |
| 6 | Margaret Goreart | 53 | Wife | — | Pennsylvania |
| 7 | Frank Jr. Goreart | 24 | Son | Drug Clerk | Pennsylvania |
| 8 | John Finnegan | 36 | Head | Roll-Turner | New York |
| 9 | Corinne Finnegan | 32 | Wife | — | New York |
| 10 | Jean Finnegan | 11 | Daughter | — | New York |
| 11 | Harry Finnegan | 10 | Son | — | New York |
| 12 | Robert Finnegan | 8 | Son | — | New York |
| 13 | Carol Finnegan | 5 | Daughter | — | New York |
| 14 | Nector Titus | 46 | Head | Painter | Pennsylvania |
| 15 | Harriet Titus | 34 | Wife | — | New York |
| 16 | Leslie Titus | 13 | Son | — | New York |
| 17 | Nector Jr. Titus | 12 | Son | — | New York |
| 18 | Dennis Titus | 10 | Son | — | New York |
| 19 | Kathleen Titus | 8 | Daughter | — | New York |
| 20 | Nancy Titus | 4 | Daughter | — | New York |
| 21 | Bertha Hilton | 48 | Head | — | New York |
| 22 | Richard Hilton | 25 | Son | Laborer | New York |
| 23 | Herman Hilton | 17 | Son | Farm Hand | New York |
| 24 | Edwin Hilton | 12 | Son | — | New York |
| 25 | Elizabeth Hilton | 11 | Daughter | — | New York |
| 26 | Earl Hilton | 7 | Son | — | New York |
| 27 | John Dwyer | 38 | Head | Deck-Foreman | Pennsylvania |
| 28 | Gwen Dwyer | 36 | Wife | — | Vermont |
| 29 | Deanne Dwyer | 11 | Daughter | — | New York |
| 30 | Carlyle Haberfield | 33 | Head | Grocer | New York |
| 31 | Dorothy Haberfield | 31 | Wife | — | New York |
| 32 | Roger Haberfield | 8 | Son | — | New York |
| 33 | Mary Finley | 55 | Head | — | Eire |
| 34 | Catherine Finley | 32 | Daughter | Bookkeeper | New York |
| 35 | John Finley | 30 | Son | Repairman | New York |
| 36 | Edward Finley | 29 | Son | Engraver | New York |
| 37 | Mary Finley THIS PERSON | 27 | Daughter | Clerk | New York |
| 38 | Frank Finley | 25 | Son | Clerk | New York |
| 39 | Thomas Finley | 23 | Son | Receiving Clerk | New York |
| 40 | William Finley | 21 | Son | Laborer | New York |
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)