JH
John Hayes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Hayes across the 1910, 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Margaret & Margaret — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Hayes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Laborer |
| Industry | Snow removal |
| Class of Worker | GW |
| Income (1939) | 288 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Boston City |
| Est. Birth Year | ~1909 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Frank Hayes | Head | — | 55 | ~1885 |
| John Hayes | Son | — | 31 | ~1909 |
| Joseph Hayes | Son | — | 21 | ~1919 |
| Margaret Hayes | Spouse | — | 60 | ~1880 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Suffolk, Massachusetts
Son, age 21
Suffolk, Massachusetts · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 31
Suffolk-County, Massachusetts · implied b. ~1909 — 4 household members
| Surname | Hayes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | Laborer |
| Industry | Snow removal |
| Class of Worker | GW |
| Income (1939) | 288 |
| Highest Grade | No 8 |
| 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 John Hayes across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Hayes (~0.92 confidence) and mother Margaret Hayes (~0.92 confidence) and father Timothy Hayes (~0.92 confidence) and mother Margaret Hayes (~0.92 confidence) and father Frank Hayes (~0.92 confidence) and father Frank Hayes (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Hayes
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Margaret Hayes
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Timothy Hayes
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Margaret Hayes
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Frank Hayes
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Frank Hayes
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hayes
Son · 1940 · age 31 · b. ~1909 · Massachusetts
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Sibling
Joseph Hayes
Sibling · 1940 · age 21
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01659-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Caruso | 45 | Head | Packer | Italy |
| 42 | Salvatore Caruso | 12 | Son | — | Massachusetts |
| 43 | Anthony Caruso | 11 | Son | — | Massachusetts |
| 44 | Angelina Caruso | 9 | Daughter | — | Massachusetts |
| 45 | Edith Donovan | 38 | Head | Packer | Massachusetts |
| 46 | Adara Avoirs | 35 | Head | Welder | Massachusetts |
| 47 | Julia Avoirs | 28 | Wife | — | New Hampshire |
| 48 | Paul Avoirs | 12 | Son | — | Massachusetts |
| 49 | Harold Avoirs | 11 | Son | — | Massachusetts |
| 50 | Joseph Avoirs | 8 | Son | — | Massachusetts |
| 51 | Barbara Avoirs | 4 | Daughter | — | Massachusetts |
| 52 | Harold Terwilliger | 37 | Head | Painter | Rhode Island |
| 53 | Mary Terwilliger | 26 | Wife | — | Massachusetts |
| 54 | Mary Terwilliger | 6 | Daughter | — | Massachusetts |
| 55 | Margaret Ross | 20 | Mother-in-law | Typist | Massachusetts |
| 56 | Roy Gunning | 44 | Head | — | Massachusetts |
| 57 | Mary Gunning | 43 | Wife | — | Massachusetts |
| 58 | Helen Gray | 40 | Head | — | Eire |
| 59 | John Gray | 8 | Son | — | Massachusetts |
| 60 | Robert Macewan | 32 | Lodger | Laborer | Pennsylvania |
| 61 | Anna Bacon | 58 | Head | — | Eire |
| 62 | Anna Bacon | 19 | Daughter | — | Massachusetts |
| 63 | Mary Stapleton | 29 | Daughter | — | Massachusetts |
| 64 | Thomas Stapleton | 31 | Son-in-law | Laborer | Massachusetts |
| 65 | Mary Stapleton | 2 | Grandchild | — | Massachusetts |
| 66 | Catherine Gallagher | 28 | Head | Packer | Massachusetts |
| 67 | Margaret Gallagher | 20 | Sister | Packer | Massachusetts |
| 68 | Patrick Duggan | 68 | Head | — | Eire |
| 69 | Richard J Duggan | 37 | Son | Chef | Massachusetts |
| 70 | James Green | 56 | Lodger | Rigger | Massachusetts |
| 71 | Edward Gentry | 19 | Lodger | Laborer | Massachusetts |
| 72 | George Keating | 57 | Head | — | Rhode Island |
| 73 | Delia Keating | 52 | Wife | — | Eire |
| 74 | John J Keating | 21 | Son | Laborer | Massachusetts |
| 75 | Frank Hayes | 55 | Head | Teamster | Massachusetts |
| 76 | Margaret Hayes | 60 | Wife | — | Massachusetts |
| 77 | John Hayes THIS PERSON | 31 | Son | Laborer | Massachusetts |
| 78 | Joseph Hayes | 21 | Son | Painter | Massachusetts |
| 79 | John O'Donnell | 31 | Head | Laborer | Massachusetts |
| 80 | Anna O'Donnell | 28 | Wife | — | Massachusetts |
Pedigree Summary
John + 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)