MC
Mary Clancy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Clancy across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 7-person household.
Age 29
b. ~1911
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Clancy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Borough of Brooklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Clerical Work |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2668 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerical Work |
| Township / Ward | Borough Of Brooklyn |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Arthur Clancy | Son | — | 25 | ~1915 |
| Frank Clancy | Son | — | 23 | ~1917 |
| Mary Clancy | Spouse | — | 57 | ~1883 |
| Edward Clancy | Head | — | 60 | ~1880 |
| Mary Clancy | Daughter | — | 29 | ~1911 |
| Edward Clancy | Son | — | 26 | ~1914 |
| Gene Clancy | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Kings, New …
Other, age 19
Kings, New York · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clancey |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Naturalization Status | Alien |
| Year of Immigration | 1927 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Housework |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Daughter, age 29
Kings-County, New York · implied b. ~1911 — 7 household members
| Surname | Clancy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Borough of Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Clerical Work |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2668 |
| 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 Clancy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clancy
Daughter · 1940 · age 29 · b. ~1911 · New York
★ You are viewing this record
Sibling
Gene Clancy
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Clancy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Clancy
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Clancy
Sibling · 1940 · age 25
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 — 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-t0627-02615-00862)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest D. Sharp | 54 | Head | No | Germany |
| 42 | Anna Sharp | 51 | Wife | No | New York |
| 43 | Eleanor Sharp | 25 | Daughter | No | New York |
| 44 | Emily Murcott | 40 | Head | Teacher | New York |
| 45 | John Murcott | 17 | Son | Junior | New York |
| 46 | Anna C. Schumann | 52 | Sister | No | New York |
| 47 | Ruth Schumann | 25 | Niece | Clerical Work | New York |
| 48 | Emory J. Nully | 63 | Head | No | New York |
| 49 | Anna Nully | 75 | Wife | No | New York |
| 50 | Lemuel Walling | 40 | Lodger | Carpenter | New York |
| 51 | Mae Walling | 37 | Lodger | Electrician | New York |
| 52 | Emma Buller | 71 | Head | No | New York |
| 53 | August Buller | 51 | Son | Draftsman | New York |
| 54 | Robert Bassett | 63 | Son-in-law | Accountant | New York |
| 55 | Emma Bassett | 47 | Daughter | No | New York |
| 56 | Emma Kahl | 40 | Daughter | Stenographer | New York |
| 57 | George Miller | 55 | Lodger | Taxi Driver | New York |
| 58 | Josephine Philo | 58 | Head | No | New York |
| 59 | Albert Gauer | 77 | Head | No | Germany |
| 60 | William Gauer | 46 | Son | Agent | New York |
| 61 | Emily Gauer | 44 | Daughter | No | New York |
| 62 | Robert Gauer | 5 | Grandson | — | New York |
| 63 | Edward Clancy | 60 | Head | Superintendent | New York |
| 64 | Mary Clancy | 57 | Wife | No | New York |
| 65 | Edward J. Clancy | 26 | Son | Physical Dept | New York |
| 66 | Mary Clancy THIS PERSON | 29 | Daughter | Clerical Work | New York |
| 67 | Arthur Clancy | 25 | Son | Dispatcher | New York |
| 68 | Frank Clancy | 23 | Son | Operator | New York |
| 69 | Gene Clancy | 21 | Daughter | No | New York |
| 70 | Anna Gangenmuller | 57 | Head | No | New York |
| 71 | Albert Gangenmuller | 27 | Son | Salesperson | New York |
| 72 | Catherine Gangenmuller | 26 | Daughter-in-law | No | Massachusetts |
| 73 | Donna Gangenmuller | 0 | Grandchild | — | New York |
| 74 | William Volz | 59 | Head | Supervisor | New York |
| 75 | Sarah Volz | 47 | Wife | No | New York |
| 76 | Ruth Volz | 20 | Daughter | No | New York |
| 77 | Isidore Goldman | 45 | Head | Proprietor | Poland |
| 78 | Esther Goldman | 45 | Wife | No | Russia |
| 79 | Edward Goldman | 18 | Son | No | New York |
| 80 | Jacob Levine | 38 | Lodger | Proprietor | New York |
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)