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Mary Maguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Maguire across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Maguire |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Beverly city |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Beverly City |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Maguire | Head | — | 38 | ~1902 |
| Robert Maguire | Son | — | 8 | ~1932 |
| Barbara Maguire | Daughter | — | 11 | ~1929 |
| Aileen Maguire | Daughter | — | 9 | ~1931 |
| Mary Maguire | Daughter | — | 12 | ~1928 |
| Richard Maguire | Son | — | 5 | ~1935 |
| Grace Maguire | Spouse | — | 36 | ~1904 |
| Jack Maguire | Son | — | 2 | ~1938 |
| Silvio Di Piedro | Other | — | 21 | ~1919 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 1
Middlesex, Massachusetts · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 12
Essex-County, Massachusetts · implied b. ~1928 — 9 household members
| Surname | Maguire |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Beverly city |
| 1935 Residence (County) | Essex |
| Highest Grade | 7 |
| 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 Mary Maguire across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Maguire
Daughter · 1940 · age 12 · b. ~1928 · Massachusetts
★ You are viewing this record
Sibling
Richard Maguire
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Maguire
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aileen Maguire
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Maguire
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Maguire
Sibling · 1940 · age 2
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01578-00148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emily Jackson | 48 | Head | — | District Columbia |
| 42 | Shellie Jackson | 28 | Daughter | — | Massachusetts |
| 43 | Ving W. Mealey | 42 | Head | Laborer | Massachusetts |
| 44 | Viola M. Mealey | 36 | Wife | — | Denmark |
| 45 | Richard Mealey | 9 | Son | — | Massachusetts |
| 46 | Robert Mealey | 6 | Son | — | Massachusetts |
| 47 | Herbert L. Nutter | 36 | Head | Driver | Massachusetts |
| 48 | Mary Nutter | 35 | Wife | — | Massachusetts |
| 49 | Herbert Nutter | 2 | Son | — | Massachusetts |
| 50 | William Rubinstein | 58 | Head | Sheet Metal Work | Massachusetts |
| 51 | Sadie Rubinstein | 55 | Wife | — | Massachusetts |
| 52 | Sara Cohen | 59 | Head | — | Russia |
| 53 | Sadie Cohen | 30 | Daughter | Bookkeeper | Massachusetts |
| 54 | Joseph Smith | 52 | Head | Selling Vegetables | Russia |
| 55 | Sara Smith | 51 | Wife | — | Russia |
| 56 | Alexander W. Korpuik | 25 | Head | Leather Worker | Massachusetts |
| 57 | Grace Korpuik | 25 | Wife | Threader | Massachusetts |
| 58 | Alexander Jr. Korpuik | 4 | Son | — | Massachusetts |
| 59 | John Marletta | 52 | Father | Laborer | Italy |
| 60 | Joan Marletta | 7 | Daughter | — | Massachusetts |
| 61 | Luigi Patti | 51 | Head | Laborer | Italy |
| 62 | Allia Patti | 53 | Wife | — | Italy |
| 63 | Vincenzo Butera | 42 | Head | Tailor | Italy |
| 64 | Mary Butera | 30 | Wife | — | Massachusetts |
| 65 | Mary P. Butera | 9 | Daughter | — | Massachusetts |
| 66 | Vito Di Paolo | 52 | Head | Truck Driver | Italy |
| 67 | Elvira Di Paolo | 42 | Wife | — | Italy |
| 68 | Evelyn Di Paolo | 22 | Daughter | — | Massachusetts |
| 69 | Vincenzo Di Paolo | 17 | Son | — | Massachusetts |
| 70 | Mary Di Paolo | 16 | Daughter | — | Massachusetts |
| 71 | Arthur Di Paolo | 7 | Son | — | Massachusetts |
| 72 | Robert E. Maguire | 38 | Head | Lineman | Massachusetts |
| 73 | Grace G. Maguire | 36 | Wife | — | Massachusetts |
| 74 | Mary Louise Maguire THIS PERSON | 12 | Daughter | — | Massachusetts |
| 75 | Barbara Maguire | 11 | Daughter | — | Massachusetts |
| 76 | Aileen Maguire | 9 | Daughter | — | Massachusetts |
| 77 | Robert Maguire | 8 | Son | — | Massachusetts |
| 78 | Richard Maguire | 5 | Son | — | Massachusetts |
| 79 | Jack Maguire | 2 | Son | — | Massachusetts |
| 80 | Silvio Di Piedro | 21 | Boarder | — | Massachusetts |
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)