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Margaret Hayes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Margaret Hayes across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 9-person household.
Age 54
b. ~1886
Female
Head
Born: New York
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Hayes |
| Given Name | Margaret |
| Relationship to Head | head |
| Sex | f |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | none |
| Class of Worker | none |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1886 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Hayes | Other | — | 19 | ~1921 |
| John Hayes | Son | — | 23 | ~1917 |
| Joseph Hayes | Son | — | 13 | ~1927 |
| Margaret Hayes | Head | — | 54 | ~1886 |
| Michael Hayes | Son | — | 25 | ~1915 |
| Margaret Hayes | Daughter | — | 14 | ~1926 |
| Denis Hayes | Son | — | 16 | ~1924 |
| Daniel Hayes | Son | — | 20 | ~1920 |
| Rosanne Hayes | Daughter | — | 22 | ~1918 |
Census Appearances
1920
Erie, New …
Other, age 31
Erie, New York · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Margaret |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Erie, New …
Other, age 43
Erie, New York · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Margaret |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Pressman |
| Industry | Bindery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Head, age 54
Erie-County, New York · implied b. ~1886 — 9 household members
| Surname | Hayes |
| Given Name | Margaret |
| Relationship to Head | head |
| Sex | f |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Occupation | none |
| Class of Worker | none |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Margaret Hayes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Hayes
Head · 1940 · age 54 · b. ~1886 · New York
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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
15 people indexed on this census page (nara:1940:m-t0627-02823-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Connors | 21 | daughter | Factory Worker | New York |
| 2 | Thomas Connors | 20 | son | Iron Worker | New York |
| 3 | Daniel Connors | 19 | son | Laborer | New York |
| 4 | Mary Connors | 17 | daughter | None | New York |
| 5 | John Connors | 16 | son | None | New York |
| 6 | Anthony Connors | 10 | son | — | New York |
| 7 | Margaret Hayes THIS PERSON | 54 | head | None | New York |
| 8 | Michael Hayes | 25 | son | New Worker | New York |
| 9 | Rosanne Hayes | 22 | daughter | Packer | New York |
| 10 | Daniel Hayes | 20 | son | New Worker | New York |
| 11 | Denis Hayes | 16 | son | None | New York |
| 12 | Margaret Hayes | 14 | daughter | None | New York |
| 13 | Joseph Hayes | 13 | son | — | New York |
| 14 | John Hayes | 23 | son | Fireman | New York |
| 15 | Margaret Hayes | 19 | daughter in law | None | New York |
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)