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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 James & John — first a son (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Devine |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1905 |
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 Devine | Son | — | 35 | ~1905 |
| Albert Devine | Son | — | 37 | ~1903 |
| Mary O'Brien | Other | — | 58 | ~1882 |
| Nellie Devine | Head | — | 65 | ~1875 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Devin |
| Given Name | John |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 24
Suffolk, Massachusetts · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Devin |
| Given Name | John J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 0 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Draftsman |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 35
Suffolk-County, Massachusetts · implied b. ~1905 — 4 household members
| Surname | Devine |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | 8 |
| 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 Devine across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Devin (~0.92 confidence) and father John Devin (~0.92 confidence) and mother Helen Devin (~0.92 confidence) and mother Margaret Devin (~0.92 confidence) and mother Nellie Devine (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Devin
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Devin
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Helen Devin
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Margaret Devin
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Nellie Devine
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Devine
Son · 1940 · age 35 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Albert Devine
Sibling · 1940 · age 37
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-t0627-01659-00506)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elinor Harrington | 21 | Daughter | Typist | Massachusetts |
| 42 | Daniel Harrington | 19 | Son | New Worker | Massachusetts |
| 43 | Paul Harrington | 15 | Son | — | Massachusetts |
| 44 | John O'Connor | 70 | Head | — | Ireland |
| 45 | Mary E O'Connor | 46 | Wife | — | Massachusetts |
| 46 | John E O'Connor | 25 | Son | Porter | Massachusetts |
| 47 | James M O'Connor | 20 | Son | Operator | Massachusetts |
| 48 | Albert T O'Connor | 13 | Son | — | Massachusetts |
| 49 | Margaret Shannon | 68 | Head | — | Massachusetts |
| 50 | Mary Ready | 55 | Head | — | Massachusetts |
| 51 | Annie Dailey | 76 | Head | — | Eire |
| 52 | Sarah Farley | 53 | Head | Stenographer | Eire |
| 53 | John Harrington | 50 | Head | Laborer | Eire |
| 54 | Catherine Harrington | 48 | Wife | — | Eire |
| 55 | Cornelius Harrington | 14 | Son | — | Massachusetts |
| 56 | Louise Harrington | 12 | Daughter | — | Massachusetts |
| 57 | Theresa Harrington | 9 | Daughter | — | Massachusetts |
| 58 | Patrick O'Connor | 41 | Head | Cement Finisher | Eire |
| 59 | Margaret O'Connor | 43 | Wife | — | Eire |
| 60 | Dennis O'Connor | 8 | Son | — | Massachusetts |
| 61 | John P O'Connor | 7 | Son | — | Massachusetts |
| 62 | Thomas O'Connor | 5 | Son | — | Massachusetts |
| 63 | William J Sheehan | 37 | Head | Janitor | Massachusetts |
| 64 | Mary G Sheehan | 29 | Wife | — | Massachusetts |
| 65 | Edward J Sheehan | 3 | Son | — | Massachusetts |
| 66 | Mary V Sheehan | 2 | Daughter | — | Massachusetts |
| 67 | Helen F Sheehan | 0 | Daughter | — | Massachusetts |
| 68 | Rose J Holland | 69 | Head | — | England |
| 69 | Nellie E Devine | 65 | Head | — | Massachusetts |
| 70 | Albert J Devine | 37 | Son | Manager | Massachusetts |
| 71 | John A Devine THIS PERSON | 35 | Son | — | Massachusetts |
| 72 | Mary A O'Brien | 58 | Sister | — | Massachusetts |
| 73 | Martin W Canty | 59 | Head | — | Eire |
| 74 | Bertha E Canty | 60 | Wife | — | Massachusetts |
| 75 | Melvin Burnham | 21 | Son | — | Massachusetts |
| 76 | William A Keniston | 23 | Lodger | Laborer | Massachusetts |
| 77 | Christina Hill | 48 | Head | — | Massachusetts |
| 78 | Francis Hill | 26 | Son | Stock | Massachusetts |
| 79 | William Griffin | 50 | Brother | Chef | Massachusetts |
| 80 | Edward Griffin | 44 | Brother | — | Massachusetts |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 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)