JD
John Devine — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Devine across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Catherine — first a head (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Devine |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | clerk |
| Industry | gas dept |
| Class of Worker | GW |
| Hours Worked | 43 |
| Income (1939) | 2100 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Boston |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| John Devine | Son | — | 13 | ~1927 |
| Mary Turley | Other | — | 46 | ~1894 |
| David Devine | Son | — | 11 | ~1929 |
| Margaret Devine | Spouse | — | 36 | ~1904 |
| Frances Turley | Other | — | 42 | ~1898 |
| John Devine | Head | — | 37 | ~1903 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 16
Suffolk, Massachusetts · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Devine |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada |
| Occupation | Apprentice |
| Industry | Shop |
| Class of Worker | W. |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Head, age 27
Suffolk, Massachusetts · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Devine |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | City of Boston |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 32 |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 37
Suffolk-County, Massachusetts · implied b. ~1903 — 6 household members
| Surname | Devine |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | clerk |
| Industry | gas dept |
| Class of Worker | GW |
| Hours Worked | 43 |
| Income (1939) | 2100 |
| Highest Grade | No 8 |
| 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 Devine across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Devine (~0.92 confidence) and mother Catherine Devine (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Devine
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Catherine Devine
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Devine
Head · 1940 · age 37 · b. ~1903 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01675-00340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Quinn | 38 | Brother-in-law | Laborer Wpa | Massachusetts |
| 42 | George Saolia | 7 | Son | — | Massachusetts |
| 43 | Irene Saolia | 3 | Daughter | — | Massachusetts |
| 44 | Harold Armstrong | 63 | Head | Sheet Metal W | Canada |
| 45 | Sarah Armstrong | 62 | Wife | Housewife | Ireland |
| 46 | Marion Armstrong | 40 | Daughter | Clerk | Massachusetts |
| 47 | Harold Armstrong | 37 | Son | Clerk | Massachusetts |
| 48 | Edith Armstrong | 27 | Daughter | — | Massachusetts |
| 49 | James Norton | 31 | Son-in-law | Pipe Fitter | Massachusetts |
| 50 | Alice Norton | 31 | Daughter | Housewife | Massachusetts |
| 51 | Richard Norton | 9 | Grand-son | — | Massachusetts |
| 52 | Nancy Norton | 6 | Grand-daught | — | Massachusetts |
| 53 | William Szydlowski | 52 | Head | Buffer | Poland |
| 54 | Lola Szydlowski | 50 | Wife | Finisher | Poland |
| 55 | Joseph Szydlowski | 27 | Son | Medical Doctor | Massachusetts |
| 56 | Clara Szydlowski | 14 | Daughter | School | Massachusetts |
| 57 | Seth D. Brown | 59 | Head | — | Maine |
| 58 | Maria B. Brown | 55 | Wife | Bank Guard | Massachusetts |
| 59 | Coughlin Catherine Brown | 84 | Aunt-in-law | Housewife | Massachusetts |
| 60 | Wilfred Landreau | 44 | Head | Dressmaker | Massachusetts |
| 61 | Mary C. Landreau | 39 | Wife | Sanitary Insp | Massachusetts |
| 62 | Grace Landreau | 14 | Daughter | Housewife | Massachusetts |
| 63 | Marie Landreau | 11 | Daughter | — | Massachusetts |
| 64 | Wilfred Jr. Landreau | 10 | Son | — | Massachusetts |
| 65 | Leona Landreau | 4 | Daughter | — | Massachusetts |
| 66 | Charles Schell | 55 | Head | Electrical Tester | Massachusetts |
| 67 | Othelyn Schell | 50 | Wife | Housewife | Massachusetts |
| 68 | Virginia Schell | 20 | Daughter | School | Massachusetts |
| 69 | John Devine THIS PERSON | 37 | Head | Clerk | Massachusetts |
| 70 | Margaret Devine | 36 | Wife | Housewife | Massachusetts |
| 71 | John Jr. Devine | 13 | Son | — | Massachusetts |
| 72 | David Devine | 11 | Son | — | Massachusetts |
| 73 | Mary D. Turley | 46 | Sister-in-law | Compositor | Massachusetts |
| 74 | Frances X. Turley | 42 | Sister-in-law | Clerk | Massachusetts |
| 75 | Timothy Clifford | 55 | Head | Roofer | Massachusetts |
| 76 | Mary Clifford | 47 | Wife | Housewife | Massachusetts |
| 77 | Mary Clifford | 15 | Daughter | School | Massachusetts |
| 78 | Richard Clifford | 12 | Son | — | Massachusetts |
| 79 | Paul Clifford | 8 | Son | — | Massachusetts |
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)