JD
John Doherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Doherty across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Rebecca & John — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Doherty |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City Charlestown |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Freight Handler |
| Industry | Express Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Freight Handler |
| Township / Ward | Boston City Charlestown |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Walter Doherty | Son | — | 21 | ~1919 |
| John Doherty | Son | — | 23 | ~1917 |
| John Mcquillan | Other | — | 73 | ~1867 |
| Helen Doherty | Daughter | — | 27 | ~1913 |
| Edward Doherty | Son | — | 25 | ~1915 |
| Rebecca Doherty | Head | — | 52 | ~1888 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 12
Suffolk, Massachusetts · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 6 household members
| Surname | Doherty |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City Charlestown |
| 1935 Residence (County) | Suffolk |
| Occupation | Freight Handler |
| Industry | Express Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Rebecca Doherty (~0.92 confidence) and father John Doherty (~0.92 confidence) and mother Mary Doherty (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rebecca Doherty
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
John Doherty
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Mary Doherty
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Doherty
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Walter Doherty
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Doherty
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Doherty
Sibling · 1940 · age 27
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01659-00688)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George P Duffy | 2 | Son | — | Massachusetts |
| 42 | John J Flanagan | 32 | Head | Clerk | Massachusetts |
| 43 | James J Flanagan | 67 | Father | — | Eire |
| 44 | Mary J Flanagan | 43 | Sister | Telephone Operator | Massachusetts |
| 45 | Katherine M Flanagan | 38 | Sister | Clerk | Massachusetts |
| 46 | John J Allen | 35 | Cousin | Foreman-Clerk | Eire |
| 47 | Mary E Flanagan | 20 | Niece | — | Massachusetts |
| 48 | Josephine A Murphy | 62 | Head | — | Massachusetts |
| 49 | Edna M Meehan | 35 | Niece | Switchboard Operator | Massachusetts |
| 50 | James F Murphy | 19 | Nephew | Laborer | Massachusetts |
| 51 | Frank Benaziak | 22 | Lodger | Chef | Massachusetts |
| 52 | John Nolan | 56 | Lodger | Head Clerk | Massachusetts |
| 53 | William F Riley | 75 | Head | Clerk | Massachusetts |
| 54 | Frances A Riley | 57 | Wife | — | Massachusetts |
| 55 | John J. Sr. Martin | 48 | Head | Boilermaker | New York |
| 56 | Alice A Martin | 43 | Wife | — | Massachusetts |
| 57 | John J. Jr. Martin | 23 | Son | Shipfitters Helper | Massachusetts |
| 58 | Alice T Martin | 21 | Daughter | Typist | Massachusetts |
| 59 | Rebecca F Doherty | 52 | Head | — | Massachusetts |
| 60 | Helen A Doherty | 27 | Daughter | Book Clerk | Massachusetts |
| 61 | Edward J Doherty | 25 | Son | Chauffeur | Massachusetts |
| 62 | John E Doherty THIS PERSON | 23 | Son | Freight Handler | Massachusetts |
| 63 | Walter J Doherty | 21 | Son | Clerk | Massachusetts |
| 64 | John H Mcquillan | 73 | Uncle | — | Massachusetts |
| 65 | Andrew C Kane | 36 | Head | Attorney | Massachusetts |
| 66 | Catherine H Kane | 36 | Wife | — | Massachusetts |
| 67 | Sarah C Kane | 1 | Daughter | — | Massachusetts |
| 68 | May G Edwards | 53 | Head | Librarian | Massachusetts |
| 69 | Edwards | 65 | Housekeeper | — | Massachusetts |
| 70 | William C Whitcomb | 57 | Optometrist | Optometrist | Massachusetts |
| 71 | Harry M Berry | 35 | Head | Cotton Fumigator | Massachusetts |
| 72 | Madge C Berry | 32 | Wife | — | Massachusetts |
| 73 | Robert M Berry | 11 | Son | — | Massachusetts |
| 74 | Ralph H Berry | 8 | Son | — | Massachusetts |
| 75 | David L Berry | 4 | Son | — | Massachusetts |
| 76 | William J Perkins | 44 | Head | Accountant | Massachusetts |
| 77 | Mildred J Perkins | 36 | Wife | — | Massachusetts |
| 78 | Geraldine M Perkins | 10 | Daughter | — | Massachusetts |
| 79 | William J. Jr Perkins | 4 | Son | — | Massachusetts |
| 80 | Mary E O'Brien | 79 | Aunt | — | Eire |
Pedigree Summary
John + 3 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)