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Margaret Brennan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kings, New York
Our Model Tree links this Margaret Brennan across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 10-person household.
Age 43
b. ~1887
Female
Spouse
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 28 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Brooklyn Borough |
| Est. Birth Year | ~1887 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| John Brennan | Son | — | 14 | ~1916 |
| Thomas Driscoll | Other | — | 32 | ~1898 |
| Thomas Morgan | Other | — | 41 | ~1889 |
| Patrick Brennan | Son | — | 15 | ~1915 |
| Martin Hyland | Other | — | 29 | ~1901 |
| Pierce Brennan | Head | — | 44 | ~1886 |
| James Brennan | Son | — | 12 | ~1918 |
| Margaret Brennan | Spouse | — | 43 | ~1887 |
| Anthony Morgan | Other | — | 28 | ~1902 |
| John Campion | Other | — | 23 | ~1907 |
Census Appearances
1920
Kings, New …
Spouse, age 35
Kings, New York · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Margaret J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1905 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Kings, New …
Spouse, age 43
Kings, New York · implied b. ~1887 — 10 household members
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 28 |
| 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 …
Head, age 53
Kings-County, New York · implied b. ~1887
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Brennan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | First papers filed |
| Occupation | Laundry |
| Industry | PW |
| Class of Worker | 480 |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Margaret Brennan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Brennan
Spouse · 1930 · age 43 · b. ~1887 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Kings, New York
Open full size
1930 US Federal Census — Kings, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1514:0345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha C. Cooper | 58 | Lodger | Practical Nurse | New York |
| 2 | Josephine R. Boyle | 39 | Head | Secretary | New York |
| 3 | Ellen E. Boyle | 29 | Sister | — | New York |
| 4 | Mary A. Boyle | 75 | Mother | — | Ireland |
| 5 | Helen G. Boyle | 26 | Niece | — | New York |
| 6 | Hubert A. Langan | 36 | Brother-in-law | Manager | New York |
| 7 | Ethel V. Langan | 36 | Sister | Secretary | New York |
| 8 | Arthur P. Mcdevitt | 9 | Cousin | — | New York |
| 9 | Sara Nagle | 38 | Head | Stenographer | New York |
| 10 | William G. Chittick | 70 | Lodger | Lawyer | Pennsylvania |
| 11 | Isabel Wilson | 66 | Head | — | New York |
| 12 | Jessie S. Tuttle | 62 | Sister | Secretary | New York |
| 13 | Mary H. Eaton | 65 | Head | — | New York |
| 14 | William Curry | 72 | Lodger | Credit Man | Pennsylvania |
| 15 | Marie Best | 26 | Head | Nurse | Pennsylvania |
| 16 | James White | 30 | Lodger | Chauffeur | New York |
| 17 | Ella White | 27 | Lodger | — | New York |
| 18 | John Banat | 42 | Lodger | Chauffeur | North Carolina |
| 19 | Angeline Barcellet | 27 | Lodger | Teacher | New York |
| 20 | Grace Simons | 22 | Lodger | Labour | Virginia |
| 21 | Harold Brooks | 35 | Lodger | Operator | New York |
| 22 | Lillian Brooks | 28 | Lodger | Servant | Pennsylvania |
| 23 | Elizabeth D. Walsh | 48 | Head | — | New York |
| 24 | Gladys Walsh | 26 | Daughter | Clerk | New York |
| 25 | Zilla Sanford | 41 | Head | Nurse | New York |
| 26 | Anna F. Patton | 45 | Head | — | New York |
| 27 | Catherine V. Patton | 38 | Sister | Clerk | New York |
| 28 | James P. Patton | 25 | Nephew | Shoe Maker | New Jersey |
| 29 | Emma E. Lovejoy | 81 | Head | — | England |
| 30 | Lily G. Vatchinson | 52 | Housekeeper | Housekeeper | England |
| 31 | Seysa Kitada | 30 | Lodger | Banker | Japan |
| 32 | John F. Carr | 65 | Head | — | Ireland |
| 33 | Helen M. Carr | 33 | Daughter | — | New York |
| 34 | John J. Carr | 32 | Son | Bookkeeper | New York |
| 35 | Annie J. Carr | 30 | Daughter | Secretary | New York |
| 36 | Edward W. Carr | 26 | Son | Joiner | New York |
| 37 | James J. Curran | 30 | Cousin | Tool Maker | Virginia |
| 38 | Ellen V. Clonant | 25 | Cousin | — | New York |
| 39 | Henry Delacouilla | 47 | Roomer | Artist | Ohio |
| 40 | Jean Delacouilla | 37 | Roomer | — | Scotland |
| 41 | Pierce Brennan | 44 | Head | Motorman | Ireland |
| 42 | Margaret Brennan THIS PERSON | 43 | Wife | — | Ireland |
| 43 | Patrick Brennan | 15 | Son | — | New York |
| 44 | John Brennan | 14 | Son | — | New York |
| 45 | James F. Brennan | 12 | Son | — | New York |
| 46 | Thomas Driscoll | 32 | Lodger | Labour | Ireland |
| 47 | John Campion | 23 | Lodger | Motorman | Ireland |
| 48 | Thomas Morgan | 41 | Lodger | Sawyer | Ireland |
| 49 | Anthony Morgan | 28 | Lodger | Labour | Ireland |
| 50 | Martin Hyland | 29 | Lodger | Machinist | Ireland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)