JH
John Healey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Healey across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Eugene & Nellie — first a son (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Son
Born: Connecticut
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Healey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | City of Malden |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Inspector |
| Industry | United States |
| Class of Worker | GW |
| Income (1939) | 2520 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Inspector |
| Township / Ward | City Of Malden |
| Est. Birth Year | ~1905 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eugene Healey | Head | — | 69 | ~1871 |
| Nellie Healey | Spouse | — | 67 | ~1873 |
| John Healey | Son | — | 35 | ~1905 |
Census Appearances
1920
St Louis, …
Other, age 18
St Louis, Missouri · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | John |
| Relationship to Head | boarder |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Railroad Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Middlesex, Massachusetts
Other, age 28
Middlesex, Massachusetts · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | John J. |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Contractor |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Middlesex-County, Massachusetts
Son, age 35
Middlesex-County, Massachusetts · implied b. ~1905 — 3 household members
| Surname | Healey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | City of Malden |
| 1935 Residence (County) | Middlesex |
| Occupation | Inspector |
| Industry | United States |
| Class of Worker | GW |
| Income (1939) | 2520 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Healey across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Eugene Healey (~0.92 confidence) and mother Nellie Healey (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Healey
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Nellie Healey
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Healey
Son · 1940 · age 35 · b. ~1905 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01608-00314)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eleanor Waitkus | 13 | Daughter | — | Massachusetts |
| 2 | John Waitkus | 34 | Head | Laborer | Massachusetts |
| 3 | Mary Waitkus | 35 | Wife | Machine Operator | Massachusetts |
| 4 | Eleanor Waitkus | 12 | Daughter | — | Massachusetts |
| 5 | Jean Waitkus | 10 | Daughter | — | Massachusetts |
| 6 | Barbara Waitkus | 7 | Daughter | — | Massachusetts |
| 7 | John Jr. Waitkus | 6 | Son | — | Massachusetts |
| 8 | Muriel Waitkus | 3 | Daughter | — | Massachusetts |
| 9 | Theresa Waitkus | 1 | Daughter | — | Massachusetts |
| 10 | Nora Desmond | 64 | Head | — | Eire |
| 11 | William Sain | 30 | Head | Laborer | Massachusetts |
| 12 | Catherine Sain | 28 | Wife | Clerk | Massachusetts |
| 13 | Catherine Sain | 54 | Mother | — | England |
| 14 | Charles Paolucci | 31 | Head | Cable-Worker | Massachusetts |
| 15 | Dorothy Paolucci | 27 | Wife | — | Massachusetts |
| 16 | John Paolucci | 3 | Son | — | Massachusetts |
| 17 | George Paolucci | 1 | Son | — | Massachusetts |
| 18 | William O'Leary | 44 | Head | Laborer | Massachusetts |
| 19 | Marion O'Leary | 40 | Wife | — | Massachusetts |
| 20 | John O'Leary | 20 | Son | Service-Man | Massachusetts |
| 21 | William R. O'Leary | 13 | Son | — | Massachusetts |
| 22 | Edmund Sheehan | 41 | Head | Laborer | Eire |
| 23 | Elizabeth Sheehan | 37 | Wife | — | Eire |
| 24 | Edmund Sheehan | 12 | Son | — | Massachusetts |
| 25 | John Wishoski | 63 | Head | Shoe-Maker | Poland |
| 26 | Emily Wishoski | 48 | Wife | — | Poland |
| 27 | John Jr. Wishoski | 27 | Son | Owner-Attendant | Massachusetts |
| 28 | Walter Wishoski | 21 | Son | Bar-Man | Massachusetts |
| 29 | Lillian Wishoski | 11 | Daughter | — | Massachusetts |
| 30 | Helen Sullivan | 59 | Head | — | Eire |
| 31 | Mary Sullivan | 50 | Sister | Stenographer | Massachusetts |
| 32 | Mary Green | 83 | Head | — | Canada English |
| 33 | James Murphy | 33 | Head | Shipper | Massachusetts |
| 34 | Daisy Murphy | 29 | Wife | Typist | Massachusetts |
| 35 | Robert Murphy | 7 | Son | — | Massachusetts |
| 36 | Eugene Healey | 69 | Head | — | Massachusetts |
| 37 | Nellie Healey | 67 | Wife | — | Connecticut |
| 38 | John Healey THIS PERSON | 35 | Son | Inspector | Connecticut |
| 39 | Thomas Killbride | 85 | Head | — | Eire |
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)