JJ
John Joyce — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this John Joyce across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Agnes — first a head (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Joyce |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Fitchburg |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | File Cutter |
| Industry | File Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 52 |
| Highest Grade | Gr 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | File Cutter |
| Township / Ward | Fitchburg |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Joyce | Head | — | 21 | ~1919 |
| Lucille Joyce | Daughter | — | 7 | ~1933 |
| Theresa Joyce | Daughter | — | 15 | ~1925 |
| Theresa Joyce | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 1
Worcester, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Joyce |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Son, age 11
Worcester, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Joyce |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Ireland |
| Occupation | school |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Head, age 21
Worcester-County, Massachusetts · implied b. ~1919 — 4 household members
| Surname | Joyce |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Fitchburg |
| 1935 Residence (County) | Worcester |
| Occupation | File Cutter |
| Industry | File Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 52 |
| Highest Grade | Gr 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 Joyce across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Joyce (~0.92 confidence) and mother Agnes Joyce (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Joyce
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Agnes Joyce
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Joyce
Head · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
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-t0627-01647-00190)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Guastella | 20 | Son | Laborer | Massachusetts |
| 42 | Jennie Guastella | 17 | Daughter | New Worker | Massachusetts |
| 43 | Albert D. Arseneault | 39 | Head | Plumber | Canada French |
| 44 | Helen E. Arseneault | 38 | Wife | — | North Dakota |
| 45 | Helen M. Arseneault | 15 | Daughter | — | Massachusetts |
| 46 | Edith D. Arseneault | 10 | Daughter | — | Massachusetts |
| 47 | Ronald E. Arseneault | 4 | Son | — | Massachusetts |
| 48 | Raymond J. Arseneault | 2 | Son | — | Massachusetts |
| 49 | Austin J. Price | 41 | Head | Foreman | Massachusetts |
| 50 | Agnes S. Price | 36 | Wife | — | Massachusetts |
| 51 | Beverly A. Price | 4 | Daughter | — | Massachusetts |
| 52 | Carolyn M. Price | 2 | Daughter | — | Massachusetts |
| 53 | Ralph R. Romano | 23 | Head | Civil Engineer | Massachusetts |
| 54 | Fannie E. Romano | 25 | Wife | — | Massachusetts |
| 55 | Ralph Jr. Romano | 5 | Son | — | Massachusetts |
| 56 | Peter S. Romano | 1 | Son | — | Massachusetts |
| 57 | Adelard Cormier | 29 | Head | Chef | Canada French |
| 58 | Blanche L. Cormier | 35 | Wife | — | Massachusetts |
| 59 | Lorraine B. Cormier | 11 | Daughter | — | Massachusetts |
| 60 | Constance A. Cormier | 7 | Daughter | — | Massachusetts |
| 61 | Claudette E. Cormier | 5 | Daughter | — | Massachusetts |
| 62 | Ronald J. Cormier | 0 | Son | — | Massachusetts |
| 63 | Anna Dupuis | 62 | Mother | — | Canada French |
| 64 | Joseph J. Kalazyk | 25 | Head | Clerk | Massachusetts |
| 65 | Mary E. Kalazyk | 26 | Wife | — | Massachusetts |
| 66 | Marilyn A. Kalazyk | 1 | Daughter | — | Massachusetts |
| 67 | Enrico Bellabarba | 24 | Head | Salesman | Italy |
| 68 | Oia M. Bellabarba | 27 | Wife | — | Massachusetts |
| 69 | Gloria R. Bellabarba | 6 | Daughter | — | Massachusetts |
| 70 | Luigi R. Bellabarba | 4 | Son | — | Massachusetts |
| 71 | Henry E. Molter | 59 | Head | Weaver | Germany |
| 72 | Lucy A. Molter | 55 | Wife | — | Massachusetts |
| 73 | John J. Pochini | 22 | Head | Manager | Massachusetts |
| 74 | Estella V. Pochini | 21 | Wife | — | Massachusetts |
| 75 | John Joyce THIS PERSON | 21 | Head | File Cutter | Massachusetts |
| 76 | Theresa Joyce | 40 | Wife | — | Massachusetts |
| 77 | Theresa Joyce | 15 | Daughter | — | Massachusetts |
| 78 | Lucille M. Joyce | 7 | Daughter | — | Massachusetts |
| 79 | Arthur Thomas | 50 | Head | Manager | Massachusetts |
| 80 | Raymond Thomas | 26 | Son | Truck Driver | Massachusetts |
Pedigree Summary
John
Gen 1 · 2 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)