JD
John Doherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Doherty across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Julia & Victor — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Doherty |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Operator |
| Industry | Steel Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Operator |
| Township / Ward | Everett City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Doherty | Son | — | 25 | ~1915 |
| Patrick Doherty | Son | — | 23 | ~1917 |
| Julia Doherty | Head | — | 50 | ~1890 |
| Catherine Doherty | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Middlesex, Massachusetts
Other, age 3
Middlesex, Massachusetts · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | John |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Middlesex-County, Massachusetts
Son, age 25
Middlesex-County, Massachusetts · implied b. ~1915 — 4 household members
| Surname | Doherty |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Occupation | Operator |
| Industry | Steel Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| 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 Doherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Julia Doherty (~0.92 confidence) and father Victor Doherty (~0.92 confidence) and mother Esther Doherty (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Julia Doherty
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Victor Doherty
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Esther Doherty
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Doherty
Son · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Catherine Doherty
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Doherty
Sibling · 1940 · age 23
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-t0627-01604-00079)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gilbert P Stabile | 6 | son | — | Massachusetts |
| 2 | Joseph Stabile | 4 | son | — | Massachusetts |
| 3 | Anna Stabile | 12 | daughter | — | Massachusetts |
| 4 | Patrick Stabile | 10 | son | — | Massachusetts |
| 5 | Francis Stabile | 3 | daughter | — | Massachusetts |
| 6 | Antonio Louranza | 55 | Head | Laborer | Italy |
| 7 | Dora Louranza | 47 | wife | — | Massachusetts |
| 8 | Michael Louranza | 25 | son | Laborer | Massachusetts |
| 9 | Frank Louranza | 23 | son | New Worker | Massachusetts |
| 10 | Joseph Louranza | 22 | son | New Worker | Massachusetts |
| 11 | Daniel Louranza | 16 | son | — | Massachusetts |
| 12 | John Louranza | 10 | son | — | Massachusetts |
| 13 | Nicola Silverio | 45 | Head | Laborer | Italy |
| 14 | Mary Silverio | 34 | wife | — | Massachusetts |
| 15 | Doris Silverio | 18 | daughter | — | Massachusetts |
| 16 | Francis Silverio | 16 | daughter | — | Massachusetts |
| 17 | Pauline Silverio | 1 | daughter | — | Massachusetts |
| 18 | Julia Doherty | 50 | Head | — | Eire |
| 19 | John Doherty THIS PERSON | 25 | son | Operator | Massachusetts |
| 20 | Patrick Doherty | 23 | son | Operator | Massachusetts |
| 21 | Catherine Doherty | 21 | daughter | Booker | Massachusetts |
| 22 | Carmen Oliveri | 47 | Head | Laborer | Italy |
| 23 | Mary Oliveri | 40 | wife | — | Italy |
| 24 | Mary Oliveri | 19 | daughter | Packer | Massachusetts |
| 25 | Edith Oliveri | 16 | daughter | — | Massachusetts |
| 26 | William Oliveri | 14 | son | — | Massachusetts |
| 27 | Pasqualina Scamenco | 79 | Mother-in-law | — | Italy |
| 28 | Samuel Dicicco | 47 | Head | Laborer | Italy |
| 29 | Florence Dicicco | 37 | wife | — | Maine |
| 30 | Sebastian Dicicco | 14 | son | — | Massachusetts |
| 31 | Mary Dicicco | 13 | daughter | — | Massachusetts |
| 32 | Rose Dicicco | 11 | daughter | — | Massachusetts |
| 33 | Samuel Dicicco | 3 | son | — | Massachusetts |
| 34 | Michael Tomolilo | 62 | Head | Janitor | Italy |
| 35 | Louise Tomolilo | 37 | daughter | Repairer | Italy |
| 36 | Josephine Tomolilo | 26 | daughter | Packer | Massachusetts |
| 37 | Charles Tomolilo | 25 | daughter | Laborer | Massachusetts |
| 38 | Lena Tomolilo | 22 | daughter | — | Massachusetts |
| 39 | Catherine Defilippo | 29 | Head | — | Massachusetts |
| 40 | Salvatore Defilippo | 2 | son | — | Massachusetts |
Pedigree Summary
John + 2 siblings
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)