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Mary Maguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Maguire across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 3-person household.
Age 58
b. ~1882
Female
Head
Born: Nebraska
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Maguire |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Nebraska |
| 1935 Residence (City) | Melrose |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | 0 |
| Class of Worker | Yes |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Melrose |
| Est. Birth Year | ~1882 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Maguire | Daughter | — | 23 | ~1917 |
| Mary Maguire | Head | — | 58 | ~1882 |
| Jane Maguire | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 38
Middlesex, Massachusetts · implied b. ~1882 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Father's Birthplace | London |
| Mother's Birthplace | Connecticut |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Middlesex, Massachusetts
Other, age 48
Middlesex, Massachusetts · implied b. ~1882 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | Mary J |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Connecticut |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Middlesex-County, Massachusetts
Head, age 58
Middlesex-County, Massachusetts · implied b. ~1882 — 3 household members
| Surname | Maguire |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Nebraska |
| 1935 Residence (City) | Melrose |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Class of Worker | Yes |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Maguire across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Maguire
Head · 1940 · age 58 · b. ~1882 · Massachusetts
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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
39 people indexed on this census page (nara:1940:m-t0627-01613-00050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret R Lewis | 43 | Wife | — | Pennsylvania |
| 42 | Sarah L Lewis | 15 | Daughter | — | Mass |
| 43 | Ralph L Lewis | 12 | Son | — | Mass |
| 44 | Frank C Bell | 65 | Head | Civil Engineer | Mass |
| 45 | Alice S Bell | 66 | Wife | — | Mass |
| 46 | Katherine Bell | 36 | Daughter | Teller | Mass |
| 47 | Chester M Clarke | 35 | Head | Carpenter | Mass |
| 48 | Dorothy S Clarke | 31 | Wife | — | Mass |
| 49 | Jeanne Clarke | 8 | Daughter | — | Mass |
| 50 | Joyce Clarke | 10 | Daughter | — | Mass |
| 51 | Arthur Clarke | 5 | Son | — | Mass |
| 52 | Arthur Sussmann | 47 | Head | Salesman | Mass |
| 53 | Anne J Sussmann | 46 | Wife | — | Canada |
| 54 | Elizabeth Sussmann | 15 | Daughter | — | Mass |
| 55 | Mabel Sussmann | 13 | Daughter | — | Mass |
| 56 | Anne Sussmann | 13 | Daughter | — | Mass |
| 57 | Arthur Sussmann | 7 | Son | — | Mass |
| 58 | Garfield Mclean | 58 | Head | Adjuster | Mass |
| 59 | Elsa D Mclean | 57 | Wife | — | Mass |
| 60 | Caroline Mclean | 24 | Daughter | Secretary | Mass |
| 61 | Juliette Wright | 88 | Lodger | — | Mass |
| 62 | Laurence S Pond | 44 | Head | Salesman | Conn |
| 63 | Frances Pond | 46 | Wife | — | Mass |
| 64 | Laurence Pond | 16 | Son | — | Mass |
| 65 | Francis Pond | 10 | Son | — | Mass |
| 66 | Freeman Ray | 33 | Head | Clerk | Mass |
| 67 | Helen Ray | 33 | Wife | — | Mass |
| 68 | Allan Ray | 3 | Son | — | Mass |
| 69 | Whitney Ray | 2 | Son | — | Mass |
| 70 | Mary Maguire THIS PERSON | 58 | Head | — | Nebraska |
| 71 | Jane P Maguire | 27 | Daughter | Assistant | Mass |
| 72 | Geraldine Maguire | 23 | Daughter | Clerk | Mass |
| 73 | Michael Lannin | 58 | Head | Painter | Canada |
| 74 | Helen Lannin | 51 | Wife | — | Mass |
| 75 | Helen Lannin | 25 | Daughter | Clerk | Mass |
| 76 | John T Lannin | 20 | Son | Laborer | Maine |
| 77 | Thelma Lannin | 18 | Daughter | Housework | Maine |
| 79 | Isaac S Beeler | 83 | Head | — | Canada |
| 80 | Albert G Snow | 39 | Head | Teacher | Maine |
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)