MH
Mary Hayes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Mary Hayes across the 1920, 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Ellen & Joseph — first a daughter (b.~1883), then head of a 5-person household.
Age 57
b. ~1883
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Hayes |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Walnut Hills |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Walnut Hills |
| Est. Birth Year | ~1883 |
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 |
|---|---|---|---|---|
| Stella Hayes | Daughter | — | 49 | ~1891 |
| Mary Hayes | Daughter | — | 57 | ~1883 |
| Susan Hayes | Daughter | — | 53 | ~1887 |
| Lillian Hayes | Daughter | — | 56 | ~1884 |
| Ellen Hayes | Head | — | 85 | ~1855 |
Census Appearances
1920
Norfolk, Massachusetts
Daughter, age 35
Norfolk, Massachusetts · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Norfolk, Massachusetts
Daughter, age 47
Norfolk, Massachusetts · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Norfolk-County, Massachusetts
Daughter, age 57
Norfolk-County, Massachusetts · implied b. ~1883 — 5 household members
| Surname | Hayes |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Walnut Hills |
| 1935 Residence (County) | Norfolk |
| Income (1939) | 0 |
| Highest Grade | Hs 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 Hayes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ellen Hayes (~0.92 confidence) and father Joseph Hayes (~0.92 confidence) and mother Marie Hayes (~0.92 confidence) and mother Ellen Hayes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ellen Hayes
b. ~1854
Source mother
● Household
· direct · ~0.92
Father
Joseph Hayes
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Marie Hayes
b. ~1855
Source mother
● Household
· direct · ~0.92
Mother
Ellen Hayes
b. ~1855
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hayes
Daughter · 1940 · age 57 · b. ~1883 · Massachusetts
★ You are viewing this record
Sibling
Stella Hayes
Sibling · 1940 · age 49
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Hayes
Sibling · 1940 · age 56
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susan Hayes
Sibling · 1940 · age 53
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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01626-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ellen A. Hayes | 85 | Head | — | Ireland |
| 2 | Mary E. Hayes THIS PERSON | 57 | Daughter | — | Massachusetts |
| 3 | Lillian G. Hayes | 56 | Daughter | — | Massachusetts |
| 4 | Susan G. Hayes | 53 | Daughter | — | Massachusetts |
| 5 | Stella B. Hayes | 49 | Daughter | — | Massachusetts |
| 6 | John J. Kelley | 53 | Head | Policeman | Massachusetts |
| 7 | Grace F. Kelley | 52 | Wife | — | Massachusetts |
| 8 | John B. Morrison | 37 | Head | Fireman | Massachusetts |
| 9 | Winifred Morrison | 36 | Wife | — | Massachusetts |
| 10 | John Jr. Morrison | 5 | Son | — | Massachusetts |
| 11 | Robert Morrison | 2 | Son | — | Massachusetts |
| 12 | John P. Walsh | 35 | Head | Salesman | Massachusetts |
| 13 | Mary Walsh | 31 | Wife | — | Massachusetts |
| 14 | Lawrence Walsh | 2 | Son | — | Massachusetts |
| 15 | Mary Elizabeth Walsh | 0 | Daughter | — | Massachusetts |
| 16 | John A. Pauke | 40 | Head | — | Massachusetts |
| 17 | Edith Pauke | 37 | Wife | — | Massachusetts |
| 18 | Edmund Pauke | 11 | Son | — | Massachusetts |
| 19 | John Pauke | 10 | Son | — | Massachusetts |
| 20 | Francis Pauke | 1 | Son | — | Massachusetts |
| 21 | William Mcauley | 6 | Nephew | — | Massachusetts |
| 22 | James G. Bennen | 34 | Head | Motorman | Massachusetts |
| 23 | Kathleen Bennen | 27 | Wife | — | Ireland |
| 24 | Maureen Bennen | 2 | Daughter | — | Massachusetts |
| 25 | James C. Bennen | 53 | Father | Foreman | Ireland |
| 26 | Mary A. Bennen | 61 | Mother | — | Ireland |
| 27 | Louis Astier | 45 | Head | — | France |
| 28 | Yvonne Astier | 43 | Wife | — | France |
| 29 | Jacqueline Astier | 15 | Daughter | — | Massachusetts |
| 30 | Madeleine Astier | 8 | Daughter | — | Massachusetts |
| 31 | Elizabeth Murphy | 66 | Head | — | Ireland |
| 32 | Esther Murphy | 37 | Daughter | Clerk | Massachusetts |
| 33 | John Murphy | 27 | Son | Clerk | Massachusetts |
| 34 | Mary Gowen | 75 | Head | — | England |
| 35 | Jane Saunders | 69 | Sister | — | England |
| 36 | John Lester | 30 | Head | Window Washer | Massachusetts |
| 37 | Mary C. Lester | 24 | Wife | — | Massachusetts |
| 38 | Joan Lester | 3 | Daughter | — | Massachusetts |
| 39 | John Lester | 2 | Son | — | Massachusetts |
| 40 | Edward Lester | 1 | Son | — | Massachusetts |
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)