RH
Robert Hayes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Robert Hayes across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Hayes |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Office Boy |
| Industry | Surveying Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 35 |
| Highest Grade | S |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Office Boy |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ruth Hayes | Daughter | — | 17 | ~1923 |
| Margaret Hayes | Daughter | — | 23 | ~1917 |
| Thomas Hayes | Daughter | — | 15 | ~1925 |
| Oliver Hayes | Daughter | — | 20 | ~1920 |
| John Hayes | Head | — | 60 | ~1880 |
| Robert Hayes | Son | — | 22 | ~1918 |
| Mary Hayes | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 2
Worcester, Massachusetts · implied b. ~1918 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Son, age 12
Worcester, Massachusetts · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Son, age 22
Worcester-County, Massachusetts · implied b. ~1918 — 7 household members
| Surname | Hayes |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Occupation | Office Boy |
| Industry | Surveying Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 35 |
| Highest Grade | S |
| 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 Robert Hayes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hayes (~0.92 confidence) and father John Hayes (~0.92 confidence) and mother Mary Hayes (~0.92 confidence) and mother Mary Hayes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hayes
b. ~1880
Source father
● Household
· direct · ~0.92
Father
John Hayes
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Hayes
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Hayes
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hayes
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Margaret Hayes
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hayes
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oliver Hayes
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Hayes
Sibling · 1940 · age 17
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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01716-00202)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice R. Waite | 5 | Daughter | — | Massachusetts |
| 2 | John Hayes | 60 | Head | Molder | Massachusetts |
| 3 | Mary J. Hayes | 49 | Wife | — | Massachusetts |
| 4 | Margaret S. Hayes | 23 | Daughter | Nurse (Trainee) | Massachusetts |
| 5 | Robert Hayes THIS PERSON | 22 | Son | Office Boy | Massachusetts |
| 6 | Oliver B. Hayes | 20 | Daughter | — | Massachusetts |
| 7 | Ruth D. Hayes | 17 | Daughter | — | Massachusetts |
| 8 | Thomas J. Hayes | 15 | Daughter | — | Massachusetts |
| 9 | Bridget Riley | 75 | Head | — | Massachusetts |
| 10 | Agnes G. Riley | 50 | Daughter | Hander | Massachusetts |
| 11 | Nellie T. Riley | 48 | Daughter | Teacher | Massachusetts |
| 12 | Agnes Baron | 45 | Lodger | Typist | Massachusetts |
| 13 | George J. Banker | 54 | Head | Supervisor | Massachusetts |
| 14 | Rose A. Banker | 52 | Wife | — | Massachusetts |
| 15 | Gertrude L. Banker | 16 | Daughter | — | Massachusetts |
| 16 | Frank J. Gomer | 51 | Head | Slicer | Massachusetts |
| 17 | Robert J. Gomer | 22 | Son | Laborer | Massachusetts |
| 18 | Louise A. Gomer | 21 | Daughter | Baker | Massachusetts |
| 19 | John E. Gomer | 17 | Son | — | Massachusetts |
| 20 | Leonard Gomer | 15 | Son | — | Massachusetts |
| 21 | Leon A. Lavalie | 25 | Head | Truck Driver | Massachusetts |
| 22 | Estelle E. Lavalie | 23 | Wife | — | Massachusetts |
| 23 | Alphonse Beaulieu | 57 | Head | — | Canada-French |
| 24 | Cordelia Beaulieu | 54 | Wife | — | Canada-French |
| 25 | Joseph Dupuis | 60 | Head | — | Canada-French |
| 26 | Victoria Dupuis | 58 | Wife | — | Canada-French |
| 27 | Rita A. Dupuis | 27 | Daughter | Stenographer | Massachusetts |
| 28 | Joseph E. Bonpain | 63 | Head | Watchman | Canada-French |
| 29 | Marie E. Bonpain | 62 | Wife | — | New York |
| 30 | Lucille R. Bonpain | 34 | Daughter | Nurse | Massachusetts |
| 31 | Emile A. Bonpain | 26 | Son | Stock Clerk | Massachusetts |
| 32 | Helen C. Bonpain | 19 | Daughter | — | Massachusetts |
| 33 | Joseph Bouthiller | 33 | Head | Auto Mechanic | Canada-French |
| 34 | Delores B. Bouthiller | 35 | Wife | — | Canada-French |
| 35 | Robert P. Bouthiller | 7 | Son | — | Massachusetts |
| 36 | Joseph A. Bouthiller | 6 | Son | — | Massachusetts |
| 37 | Richard L. Bouthiller | 5 | Son | — | Massachusetts |
| 38 | Henry J. Bouthiller | 4 | Son | — | Massachusetts |
| 39 | Andrew H. Bouthiller | 2 | Son | — | Massachusetts |
| 40 | Lucile T. Bouthiller | 0 | Daughter | — | Massachusetts |
Related Census Records
Pedigree Summary
Robert + 4 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)