MS
Mary Stone — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Mary Stone across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Stone |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Buffalo City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Stone | Daughter | — | 16 | ~1924 |
| Mary Stone | Daughter | — | 21 | ~1919 |
| William Stone | Head | — | 47 | ~1893 |
| William Stone | Son | — | 13 | ~1927 |
| Thomas Stone | Son | — | 18 | ~1922 |
Census Appearances
1920
Erie, New …
Daughter, age
Erie, New York · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stone |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Erie, New …
Daughter, age 11
Erie, New York · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stone |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Daughter, age 21
Erie-County, New York · implied b. ~1919 — 5 household members
| Surname | Stone |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Highest Grade | H 2 |
| 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 Stone across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Stone (~0.92 confidence) and father William Stone (~0.92 confidence) and father William Stone (~0.92 confidence) and mother Lydia Stone (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Stone
b. ~1893
Source father
● Household
· direct · ~0.92
Father
William Stone
b. ~1893
Source father
● Household
· direct · ~0.92
Father
William Stone
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Lydia Stone
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Stone
Daughter · 1940 · age 21 · b. ~1919 · New York
★ You are viewing this record
Sibling
William Stone
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Stone
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Stone
Sibling · 1940 · age 16
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-t0627-02823-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Litchfield | 30 | wife | Stenographer | New York |
| 42 | Maurice Litchfield | 15 | daughter | — | New York |
| 43 | Amelia Donohue | 54 | head | — | New York |
| 44 | John Donohue | 36 | son | Patrolman | New York |
| 45 | James Donohue | 34 | son | Carpenter | New York |
| 46 | Helen Donohue | 32 | daughter | — | New York |
| 47 | Norman Smith | 43 | head | Paperhanger | Canada Eng. |
| 48 | Mary Smith | 36 | wife | — | Pennsylvania |
| 49 | Norma Smith | 10 | daughter | — | New York |
| 50 | Howard Smith | 9 | son | — | New York |
| 51 | Niels Kronger | 39 | head | Gas Station Att. | Denmark |
| 52 | Carrie Kronger | 37 | wife | — | Pennsylvania |
| 53 | Donald Kronger | 2 | son | — | New York |
| 54 | William Stone | 47 | head | — | New York |
| 55 | Mary Jane Stone THIS PERSON | 21 | daughter | — | New York |
| 56 | Thomas Stone | 18 | son | — | New York |
| 57 | Elizabeth Stone | 16 | daughter | New Worker | New York |
| 58 | William Stone | 13 | son | — | New York |
| 59 | Eugene Fahey | 38 | head | Bricklayer | New York |
| 60 | Adelaide Fahey | 37 | wife | — | Ohio |
| 61 | Mary Fahey | 15 | daughter | — | New York |
| 62 | Adelaide Fahey | 14 | daughter | — | New York |
| 63 | Eugene Fahey | 12 | son | — | New York |
| 64 | Barbara Fahey | 5 | daughter | — | New York |
| 65 | Mary Fahey | 65 | mother-in-law | — | New York |
| 66 | Rhoda Stott | 85 | head | — | England |
| 67 | Josiah Davison | 36 | head | Laborer | New York |
| 68 | Mary Davison | 32 | wife | — | New York |
| 69 | Edward Davison | 10 | son | — | New York |
| 70 | Ruth Davison | 5 | daughter | — | New York |
| 71 | Thomas A. Stone | 75 | head | — | New York |
| 72 | Frank J. Stone | 45 | son | Filter Op. | New York |
| 73 | Elizabeth Stone | 32 | daughter-in-law | — | New York |
| 74 | Howard J. Stone | 33 | son | — | New York |
| 75 | Morgan Boye | 55 | head | Gas Station | Canada Eng. |
| 76 | Ruth Boye | 48 | wife | — | Canada Eng. |
| 77 | Jo Ann Boye | 20 | daughter | Waitress | Michigan |
| 78 | Ardene Boye | 14 | daughter | — | Michigan |
| 79 | Claude Boye | 13 | son | — | Michigan |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 4 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)