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Mary Mulligan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Mulligan across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Mulligan | Head | — | 54 | ~1886 |
| Anna Mulligan | Daughter | — | 17 | ~1923 |
| Charles Mulligan | Son | — | 15 | ~1925 |
| Mary Mulligan | Spouse | — | 54 | ~1886 |
Census Appearances
1920
New York, …
Other, age 37
New York, New York · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1904 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Nurse |
| Industry | Private family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
New York, …
Other, age 48
New York, New York · implied b. ~1882 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Spouse, age 54
Kings-County, New York · implied b. ~1886 — 4 household members
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Mulligan 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 Mulligan
Spouse · 1940 · age 54 · b. ~1886 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02587-00088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Jr. Garbowski | 21 | Son | Washer | New York |
| 2 | Edward Garbowski | 20 | Son | Laborer | New York |
| 3 | Stanley Garbowski | 18 | Son | Helper | New York |
| 4 | John Garbowski | 15 | Son | — | New York |
| 5 | Charles Mulligan | 54 | Head | Concrete Wk. | England |
| 6 | Mary Mulligan THIS PERSON | 54 | Wife | — | Ireland |
| 7 | Anna Mulligan | 17 | Daughter | — | New York |
| 8 | Charles Mulligan | 15 | Son | — | New York |
| 9 | Victoria Hutkevitz | 53 | Head | — | Poland |
| 10 | Vincent Hutkevitz | 31 | Brother | Laborer | New York |
| 11 | John Hutkevitz | 26 | Brother | Laborer | New York |
| 12 | Anthony Hutkevitz | 19 | Son | Battening | New York |
| 13 | Ann Hutkevitz | 21 | Sister | — | New York |
| 14 | Walter Ustaski | 39 | Head | Mach. Oper. | Connecticut |
| 15 | Theresa Ustaski | 30 | Wife | — | New York |
| 16 | Lorraine Ustaski | 8 | Daughter | — | New York |
| 17 | Ruth Ustaski | 6 | Daughter | — | New York |
| 18 | Theodore Trzcinski | 33 | Brother | Chauffeur | New York |
| 19 | John Trzcinski | 27 | Brother | Longshoreman | New York |
| 20 | John Wild | 31 | Head | Machinist | New York |
| 21 | Julia Wild | 25 | Wife | — | New Jersey |
| 22 | Florence Wild | 8 | Daughter | — | New York |
| 23 | Robert Wild | 3 | Son | — | New York |
| 24 | Charles O'Donnell | 56 | Head | Letter Carrier | New York |
| 25 | Mary O'Donnell | 55 | Wife | — | New York |
| 26 | James O'Donnell | 25 | Son | Finisher | New York |
| 27 | Francis O'Donnell | 21 | Son | Longshoreman | New York |
| 28 | Charles Jr. O'Donnell | 20 | Son | Finisher | New York |
| 29 | John O'Donnell | 19 | Son | Road Const. | New York |
| 30 | Robert O'Donnell | 14 | Son | — | New York |
| 31 | Adelard Dionne | 35 | Head | Chauffeur | Maine |
| 32 | Nellie Dionne | 29 | Wife | — | New York |
| 33 | Louis Dionne | 12 | Son | — | New York |
| 34 | Joseph Dionne | 9 | Son | — | New York |
| 35 | Rosemary Dionne | 7 | Daughter | — | New York |
| 36 | Dorothy Dionne | 5 | Daughter | — | New York |
| 37 | Antoinette Dionne | 3 | Daughter | — | New York |
| 38 | Charles Dionne | 1 | Son | — | New York |
| 39 | William Bruno | 42 | Head | Laborer | Massachusetts |
| 40 | Delena Bruno | 58 | Wife | — | Canada French |
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)