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Mary Devine — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Devine across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Devine |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ann Devine | Daughter | — | 11 | ~1929 |
| Grace Devine | Daughter | — | 15 | ~1925 |
| Ruth Devine | Daughter | — | 13 | ~1927 |
| Joan Devine | Son | — | 19 | ~1921 |
| Mary Devine | Daughter | — | 17 | ~1923 |
| Elizabeth Devine | Spouse | — | 51 | ~1889 |
| Ernest Devine | Head | — | 53 | ~1887 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 6
Middlesex, Massachusetts · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Devane |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 17
Middlesex-County, Massachusetts · implied b. ~1923 — 7 household members
| Surname | Devine |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| 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 Mary Devine across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Devine
Daughter · 1940 · age 17 · b. ~1923 · Massachusetts
★ You are viewing this record
Sibling
Grace Devine
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Devine
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Devine
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Devine
Sibling · 1940 · age 11
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-t0627-01608-00577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bridget E Ferguson | 60 | Sister | Sorter & Shoes | Irish Free State |
| 2 | Elizabeth G Ferguson | 58 | Sister | Sorter Of Shoes | Irish Free State |
| 3 | James P Logue | 65 | Head | — | Irish Free State |
| 4 | Henrietta Logue | 66 | Wife | — | Irish Free State |
| 5 | Thomas W Logue | 28 | Son | Police Officer | Massachusetts |
| 6 | Theresa M Logue | 27 | Daughter | Bookkeeper | Massachusetts |
| 7 | Leo E Logue | 24 | Son | — | Massachusetts |
| 8 | Albert E Dickinson | 30 | Head | Ice Cream Store | Massachusetts |
| 9 | Mary W Dickinson | 31 | Wife | — | Massachusetts |
| 10 | Nancy M Dickinson | 5 | Daughter | — | Massachusetts |
| 11 | Albert J Dickinson | 4 | Son | — | Massachusetts |
| 12 | John S Robertson | 29 | Head | Analytical Engineer | Massachusetts |
| 13 | Hazel A Robertson | 27 | Wife | — | Massachusetts |
| 14 | John S Robertson | 2 | Son | — | Massachusetts |
| 15 | Sheila A Robertson | 0 | Daughter | — | Massachusetts |
| 16 | Charles H Kearney | 35 | Head | Gasoline Station Attendant | Massachusetts |
| 17 | Margaret L Kearney | 31 | Wife | — | Massachusetts |
| 18 | George J Kearney | 1 | Son | — | Massachusetts |
| 19 | Paul J Kearney | 0 | Son | — | Massachusetts |
| 20 | George B Reid | 50 | Head | Meter Repairer | Massachusetts |
| 21 | Deborah E Reid | 42 | Wife | — | Massachusetts |
| 22 | Thomas R Reid | 24 | Son | New Worker | Philadelphia |
| 23 | James E Reid | 22 | Son | — | Rhode Island |
| 24 | George B Jr Reid | 20 | Son | Soda Clerk | Massachusetts |
| 25 | William F Reid | 19 | Son | Mole Maker | Massachusetts |
| 26 | Louis W Carlson | 36 | Head | Burner | Massachusetts |
| 27 | Ellen L Carlson | 37 | Wife | — | Massachusetts |
| 28 | Lila M Carlson | 6 | Daughter | — | Massachusetts |
| 29 | Doris M Carlson | 5 | Daughter | — | Massachusetts |
| 30 | Ernest N Devine | 53 | Head | Foreman Water Department | Massachusetts |
| 31 | Elizabeth M Devine | 51 | Wife | — | Massachusetts |
| 32 | Joan D Devine | 19 | Son | Asst Clerk At Water In Water Department | Massachusetts |
| 33 | Mary J Devine THIS PERSON | 17 | Daughter | — | Massachusetts |
| 34 | Grace E Devine | 15 | Daughter | — | Massachusetts |
| 35 | Ruth L Devine | 13 | Daughter | — | Massachusetts |
| 36 | Ann Devine | 11 | Daughter | — | Massachusetts |
| 37 | Cornelius P Sullivan | 62 | Head | Machinist | Irish Free State |
| 38 | Margaret Sullivan | 63 | Wife | — | Irish Free State |
| 39 | James J Lucey | 34 | Head | Electrician | Massachusetts |
| 40 | Lena R Lucey | 32 | Wife | — | Rhode Island |
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)