JD
John Driscoll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Driscoll across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Mary — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Driscoll |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Fireman |
| Industry | City of Boston |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Fireman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Mary Driscoll | Head | — | 71 | ~1869 |
| John Driscoll | Son | — | 29 | ~1911 |
| Francis Driscoll | Son | — | 26 | ~1914 |
| Cornelius Driscoll | Son | — | 45 | ~1895 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 8
Suffolk, Massachusetts · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Driscoll |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 18
Suffolk, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Driscoll |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Newfoundland |
| Occupation | Messenger |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 29
Suffolk-County, Massachusetts · implied b. ~1911 — 4 household members
| Surname | Driscoll |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | Fireman |
| Industry | City of Boston |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | Hs 3 |
| 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 Driscoll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Driscoll (~0.80 confidence) and mother Mary Driscoll (~0.92 confidence) and father Charles Driscoll (~0.92 confidence) and mother Annie Driscoll (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
Charles Driscoll
b. ~None
Source father
● Household
· direct · ~0.8
Mother
Mary Driscoll
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
Charles Driscoll
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Annie Driscoll
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Driscoll
Son · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
Francis Driscoll
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Driscoll
Sibling · 1940 · age 45
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-t0627-01680-00244)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vincent Mason | 27 | Head | Chemist | Rhode Island |
| 2 | Estelle Mason | 24 | Wife | — | Massachusetts |
| 3 | Theresa Matthews | 57 | Maid | Maid | Canada French |
| 4 | James A. Brewer | 47 | Head | — | Massachusetts |
| 5 | Jean G. Bennett | 24 | Stepdaughter | Clerk | Massachusetts |
| 6 | Francis Carney | 20 | Nephew | Office Boy | Massachusetts |
| 7 | Donald Carney | 17 | Nephew | — | Massachusetts |
| 8 | Abigail Carney | 23 | Niece | — | Massachusetts |
| 9 | Dorothy Fanning | 36 | Lodger | Telephone Operator | Massachusetts |
| 10 | John Lund | 63 | Lodger | — | Massachusetts |
| 11 | John O. Montague | 44 | Head | Chiropodist | New York |
| 12 | Hazel G. Montague | 42 | Wife | — | Massachusetts |
| 13 | Robert O. Montague | 14 | Son | — | Massachusetts |
| 14 | Patrick Montague | 76 | Father | — | Ireland (Eire) |
| 15 | Robert L. Tobin | 36 | Head | Chauffeur | Massachusetts |
| 16 | Gertrude Tobin | 32 | Wife | — | Massachusetts |
| 17 | Mary T. Driscoll | 71 | Head | — | Ireland (Eire) |
| 18 | Cornelius Driscoll | 45 | Son | Manager | Massachusetts |
| 19 | John Driscoll THIS PERSON | 29 | Son | Fireman | Massachusetts |
| 20 | Francis Driscoll | 26 | Son | Chauffeur | Massachusetts |
| 21 | Josephine Cruickshank | 53 | Head | — | Canada English |
| 22 | Herbert Cruickshank | 19 | Son | — | Massachusetts |
| 23 | Margaret Cruickshank | 23 | Daughter | Stenographer | Massachusetts |
| 24 | Agnes T. Kelly | 52 | Sister | — | Canada English |
| 25 | Roy T. Greene | 41 | Head | Carpenter | Kentucky |
| 26 | Ruth G. Greene | 41 | Wife | — | Massachusetts |
| 27 | Elizabeth Greene | 15 | Daughter | — | Massachusetts |
| 28 | Eleanor Greene | 14 | Daughter | — | Massachusetts |
| 29 | Paul Greene | 11 | Son | — | Massachusetts |
| 30 | Mary Greene | 9 | Daughter | — | Massachusetts |
| 31 | Elizabeth O'Connell | 67 | Mother-in-law | — | Massachusetts |
| 32 | Henry Hohenstein | 64 | Head | Salesman | Massachusetts |
| 33 | Frances Hohenstein | 50 | Wife | — | New York |
| 34 | Carl A. Hohenstein | 24 | Son | Engineer | Massachusetts |
| 35 | Virginia Hohenstein | 25 | Daughter-in-law | — | Massachusetts |
| 36 | Herbert B. Studley | 59 | Head | Pressman | Massachusetts |
| 37 | Marcella Studley | 59 | Wife | — | Massachusetts |
| 38 | Lauritz Steeman | 49 | Head | Painter | Sweden |
| 39 | Mary Steeman | 44 | Wife | — | New York |
| 40 | John Steeman | 26 | Son | Painter | Massachusetts |
Pedigree Summary
John + 2 siblings
Gen 1 · 4 parents
~0.89
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)