JH
John Healy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Healy across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Annie & Thomas — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Healy |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden (city of) |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | collector |
| Industry | life insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Collector |
| Township / Ward | Malden City Of |
| Est. Birth Year | ~1915 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Winifred Healy | Daughter | — | 36 | ~1904 |
| Thomas Healy | Head | — | 64 | ~1876 |
| Winifred Galvin | Other | — | 63 | ~1877 |
| John Healy | Son | — | 25 | ~1915 |
| Annie Healy | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 5
Middlesex, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Son, age 15
Middlesex, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Middlesex-County, Massachusetts
Son, age 25
Middlesex-County, Massachusetts · implied b. ~1915 — 5 household members
| Surname | Healy |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden (city of) |
| 1935 Residence (County) | Middlesex |
| Occupation | collector |
| Industry | life insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| 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 John Healy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Annie Healey (~0.92 confidence) and father Thomas Healy (~0.92 confidence) and father Thomas Healey (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Annie Healey
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Thomas Healy
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Thomas Healey
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Healy
Son · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Winifred Healy
Sibling · 1940 · age 36
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01609-00278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jean Ceasare | 6 | daughter | — | Massachusetts |
| 2 | Chester Ceasare | 3 | son | — | Massachusetts |
| 3 | Thomas J. Healy | 64 | head | Watchman | Massachusetts |
| 4 | Annie M. Healy | 65 | wife | — | Massachusetts |
| 5 | Winifred A. Healy | 36 | daughter | Office Worker | Massachusetts |
| 6 | John J. Healy THIS PERSON | 25 | son | Collector | Massachusetts |
| 7 | Winifred A. Galvin | 63 | sister-in-law | — | Massachusetts |
| 8 | Tony La Vergna | 62 | head | Laborer | Italy |
| 9 | Mary La Vergna | 53 | wife | — | Italy |
| 10 | Forrie La Vergna | 33 | son | Iron Worker | Massachusetts |
| 11 | Joe La Vergna | 28 | son | Store Clerk | Massachusetts |
| 12 | Florence La Vergna | 24 | daughter | Sales Lady | Massachusetts |
| 13 | Margarina La Vergna | 14 | daughter | — | Massachusetts |
| 14 | Matilda Harris | 75 | head | — | Sweden |
| 15 | Joseph Todisco | 65 | head | Baker | Italy |
| 16 | Rocco Todisco | 27 | son | Laborer | Massachusetts |
| 17 | Thomas Todisco | 23 | son | Baker | Massachusetts |
| 18 | Nancy Todisco | 20 | daughter | — | Massachusetts |
| 19 | John Todisco | 18 | son | — | Massachusetts |
| 20 | Rose Todisco | 15 | daughter | — | Massachusetts |
| 21 | Margaret Todisco | 12 | daughter | — | Massachusetts |
| 22 | Frank G. Huttel | 41 | head | Automobile Repairman | Pennsylvania |
| 23 | Helda Huttel | 37 | wife | — | Maryland |
| 24 | Audrey Huttel | 11 | daughter | — | Pennsylvania |
| 25 | Homer Kingsbury | 40 | head | Bus Operator | Vermont |
| 26 | Sarah Kingsbury | 42 | wife | Waitress | Massachusetts |
| 27 | Eva Kingsbury | 18 | daughter | — | Massachusetts |
| 28 | Virginia Kingsbury | 16 | daughter | — | Massachusetts |
| 29 | Elsie M. Kingsbury | 14 | daughter | — | Massachusetts |
| 30 | Homer Kingsbury | 11 | son | — | Massachusetts |
| 31 | Eugene L. Amos | 43 | head | Fireman | Washington |
| 32 | Margaret Amos | 43 | wife | — | New Hampshire |
| 33 | Eugene J. Amos | 19 | son | — | Massachusetts |
| 34 | Robert J. Amos | 12 | son | — | Massachusetts |
| 35 | Norman Amos | 5 | son | — | Massachusetts |
| 36 | Mary Cullen | 68 | mother-in-law | — | Ireland |
| 37 | Anthony Miller | 42 | head | Handicraft | England |
| 38 | Mabel Miller | 43 | wife | Typist | Massachusetts |
| 39 | Alfred G. Meredith | 72 | head | — | England |
| 40 | Annie Meredith | 60 | wife | — | Vermont |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)