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Mary Maguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Maguire across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Maguire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hoboken |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Laboratory Technician |
| Industry | Gas Prod. Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 770 |
| Highest Grade | C-2 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Laboratory Technician |
| Township / Ward | Hoboken |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Mary Maguire | Head | — | 53 | ~1887 |
| John Maguire | Son | — | 19 | ~1921 |
| Mary Maguire | Daughter | — | 21 | ~1919 |
| George Maguire | Son | — | 15 | ~1925 |
| Rita Maguire | Daughter | — | 17 | ~1923 |
| Margaret Leonard | Other | — | 51 | ~1889 |
| Abban Maguire | Son | — | 23 | ~1917 |
Census Appearances
1930
Hudson, New …
Daughter, age 11
Hudson, New Jersey · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 21
Hudson-County, New Jersey · implied b. ~1919 — 7 household members
| Surname | Maguire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hoboken |
| 1935 Residence (County) | Hudson |
| Occupation | Laboratory Technician |
| Industry | Gas Prod. Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 770 |
| Highest Grade | C-2 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 21 · b. ~1919 · New Jersey
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Sibling
Rita Maguire
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Maguire
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abban Maguire
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Maguire
Sibling · 1940 · age 15
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02348-00724)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Salvatore Feustinel | 17 | Step son | Corridor Patrol | New Jersey |
| 42 | Frederick J. Krauss | 36 | Head | Truck Loader | New Jersey |
| 43 | Gertrude E. Krauss | 34 | Wife | Custodian | New Jersey |
| 44 | Ethel L. Krauss | 12 | Daughter | — | New Jersey |
| 45 | Dorothy M. Krauss | 4 | Daughter | — | New Jersey |
| 46 | John J. Waddilove | 30 | Head | Clerical Work | New Jersey |
| 47 | Thomas F. Waddilove | 24 | Brother | Laborer | New Jersey |
| 48 | Alice R. Waddilove | 20 | Sister | Clerical Work | New Jersey |
| 49 | Mary Maguire | 53 | Head | — | New York |
| 50 | Abban Maguire | 23 | Son | Truck Driver | New Jersey |
| 51 | Mary Maguire THIS PERSON | 21 | Daughter | Laboratory Technician | New Jersey |
| 52 | John Maguire | 19 | Son | Assembler | New Jersey |
| 53 | Rita Maguire | 17 | Daughter | — | New Jersey |
| 54 | George Maguire | 15 | Son | — | New Jersey |
| 55 | Margaret Leonard | 51 | Sister | — | New York |
| 56 | Thomas F. O'Connor | 58 | Head | Fireman | Pennsylvania |
| 57 | Belsa | Belva O'Connor | 21 | Wife | — | New Jersey |
| 58 | John L. O'Connor | 15 | Nephew | — | New Jersey |
| 59 | Max H. Jacobs | 62 | Head | Insurance Agent | New York |
| 60 | Molly Jacobs | 59 | Wife | — | Austria |
| 61 | William H. Weinsdarger | 54 | Head | Chauffeur | New York |
| 62 | Bertha M. Weinsdarger | 52 | Wife | — | New York |
| 63 | Concetta Bivona | 80 | Head | — | Italy |
| 64 | Alfonso Bivona | 50 | Son | Lawyer | Italy |
| 65 | Rose Bivona | 44 | Daughter in law | Dressmaker | Italy |
| 66 | Concetta M. Bivona | 21 | Granddaughter | — | New York |
| 67 | John W. Kelly | 40 | Head | Policeman | New York |
| 68 | Anne T. Kelly | 36 | Wife | — | Pennsylvania |
| 69 | Jeanne M. Kelly | 13 | Daughter | — | New Jersey |
| 70 | John M. Kelly | 10 | Son | — | New Jersey |
| 71 | Walter P. Kelly | 6 | Son | — | New Jersey |
| 72 | Margaret M. Foley | 60 | Head | — | New Jersey |
| 73 | James M. Sr. O'Brien | 35 | Son in law | Clerk & Expressman | New Jersey |
| 74 | Marie M. O'Brien | 34 | Daughter | School Teacher | New Jersey |
| 75 | Margaret Catherine O'Brien | 9 | Granddaughter | — | New Jersey |
| 76 | James M. Jr. O'Brien | 3 | Grandson | — | New Jersey |
| 77 | Thomas Farrell | 65 | Head | — | Irish Free State |
| 78 | Thomas J. Farrell | 25 | Son | Accountant | New Jersey |
| 79 | Elizabeth A. Farrell | 22 | Daughter | — | New Jersey |
| 80 | John J. Mcavoy | 22 | Head | Truck Driver | New Jersey |
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)