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Mary Maguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Mary Maguire across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Maguire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Manhattan |
| 1935 Residence (County) | NEW YORK |
| Additional Details | |
| Occupation | New Worker |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | New Worker |
| Township / Ward | Manhattan |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Jerome Maguire | Son | — | 7 | ~1933 |
| Bridget Maguire | Spouse | — | 46 | ~1894 |
| John Maguire | Son | — | 15 | ~1925 |
| Florence Maguire | Daughter | — | 14 | ~1926 |
| James Maguire | Son | — | 11 | ~1929 |
| Eugene Maguire | Head | — | 47 | ~1893 |
| Eugene Maguire | Son | — | 17 | ~1923 |
| Dolores Maguire | Daughter | — | 8 | ~1932 |
| Mary Maguire | Daughter | — | 18 | ~1922 |
Census Appearances
1930
New York, …
Daughter, age 8
New York, New York · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Daughter, age 18
New-York-County, New York · implied b. ~1922 — 9 household members
| Surname | Maguire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Manhattan |
| 1935 Residence (County) | NEW YORK |
| Occupation | New Worker |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 18 · b. ~1922 · New York
★ You are viewing this record
Sibling
James Maguire
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Maguire
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Maguire
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Maguire
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Maguire
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Maguire
Sibling · 1940 · age 8
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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02651-01015)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucille Henning | 23 | Daughter | Stenographer | New York |
| 2 | William Henning | 30 | Son-in-law | Pharmacist | Penn. |
| 3 | George Brannan | 72 | Father | — | New York |
| 4 | William Tenbort | 42 | Head | Chef | India |
| 5 | Mary Tenbort | 27 | Wife | — | Dutch Guiana |
| 6 | Edna Tenbort | 17 | Daughter | — | New York |
| 7 | Mary K. Manning | 37 | Head | Stenographer-Typist | Mass. |
| 8 | Bessie B. Manning | 52 | Sister | Housekeeper | Mass. |
| 9 | James J. Manning | 47 | Brother | Watchman | Mass. |
| 10 | Robert Stack | 32 | Head | Salesman | Irish Fr. St. |
| 11 | Catherine Stack | 31 | Wife | — | Irish Fr. St. |
| 12 | James Stack | 5 | Son | — | New York |
| 13 | John Stack | 3 | Son | — | New York |
| 14 | Nora Folliard | 25 | Sister-in-law | Elevator Oper. | Irish Fr. St. |
| 15 | Michael Brody | 32 | Roomer | Laborer-Truck Loader | Irish Fr. St. |
| 16 | Patrick Mccormick | 62 | Head | Laborer-Park | Irish Fr. St. |
| 17 | Nellie Mccormick | 60 | Wife | — | Irish Fr. St. |
| 18 | Eugene Maguire | 47 | Head | Grocer | Northern Ire. |
| 19 | Bridget Maguire | 46 | Wife | — | Irish Fr. St. |
| 20 | Mary Maguire THIS PERSON | 18 | Daughter | New Worker | New York |
| 21 | Eugene Maguire | 17 | Son | — | N. York |
| 22 | John Maguire | 15 | Son | — | N. York |
| 23 | Florence Maguire | 14 | Daughter | — | N. York |
| 24 | James Maguire | 11 | Son | — | N. York |
| 25 | Dolores Maguire | 8 | Daughter | — | N. York |
| 26 | Jerome Maguire | 7 | Son | — | N. York |
| 27 | Oscar Edwin Riley | 54 | Head | Ad. Writer | Missouri |
| 28 | Catherine A. Riley | 47 | Wife | — | England |
| 29 | Robert A. Riley | 23 | Son | Clerk | Japan |
| 30 | Marion Lee Riley | 21 | Daughter | — | Japan |
| 31 | Dexter Riley | 19 | Son | Messenger | New York |
| 32 | Rosemary Riley | 18 | Daughter | — | New York |
| 33 | Anthony Dabreu | 40 | Head | Counterman | British West In. |
| 34 | Isabelle Dabreu | 35 | Wife | Homemaker | British West In. |
| 35 | Anthony Jr. Dabreu | 17 | Son | — | N. York |
| 36 | Gloria Dabreu | 15 | Daughter | — | N. York |
| 37 | Daniel Healy | 59 | Head | Truck Driver | Irish Fr. St. |
| 38 | Ellen Healy | 51 | Wife | — | Irish Fr. St. |
| 39 | Nellie Buckley | 42 | Sister-in-law | Sewing Machine Operator-Draper | Irish Fr. St. |
| 40 | Mary O'Connell | 55 | Head | Seamstress | Irish Fr. St. |
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)