MN
Margaret Nolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Margaret Nolan across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Nolan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Naturalization Status | Alien |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Brooklyn |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Mary Nolan | Daughter | — | 7 | ~1933 |
| Margaret Nolan | Daughter | — | 14 | ~1926 |
| Joseph Nolan | Son | — | 8 | ~1932 |
| John Nolan | Daughter | — | 2 | ~1938 |
| James Nolan | Son | — | 10 | ~1930 |
| James Nolan | Head | — | 43 | ~1897 |
| Lillian Nolan | Daughter | — | 12 | ~1928 |
| Margaret Nolan | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Kings, New …
Other, age 25
Kings, New York · implied b. ~1905 — 17 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | Margaret |
| Relationship to Head | Nun |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1926 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Teacher |
| Industry | Parochial School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Spouse, age 40
Kings-County, New York · implied b. ~1900 — 8 household members
| Surname | Nolan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Naturalization Status | Alien |
| 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 Nolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Nolan
Spouse · 1940 · age 40 · b. ~1900 · New York
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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
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1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02554-00433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jack Buonemi | 20 | Son | Mechanic | New York |
| 42 | Patrick Doyle | 44 | Head | Disable | Ireland |
| 43 | Margaret Doyle | 43 | Wife | — | Ireland |
| 44 | Anna Doyle | 12 | Daughter | — | New York |
| 45 | Ileen Doyle | 11 | Daughter | — | New York |
| 46 | Richard Beimer | 44 | Head | Senior Keeper | New York |
| 47 | Blanche Beimer | 45 | Wife | — | New York |
| 48 | Patricia Beimer | 7 | Daughter | — | New York |
| 49 | Marine Beimer | 11 | Daughter | — | New York |
| 50 | Harry Freeman | 16 | Step-son | — | New York |
| 51 | James Sheeran | 53 | Head | Motorman | Kansas |
| 52 | John J. Kemper | 64 | Head | Wood Finisher | Connecticut |
| 53 | Antonette Kemper | 60 | Daughter | — | Germany |
| 54 | Daughter Sidbil | None | F | — | — |
| 55 | Elizabeth Lennarz | 86 | Mother-in-law | — | Germany |
| 56 | James Nolan | 43 | Head | Captain Boat | Ireland |
| 57 | Margaret Nolan THIS PERSON | 40 | Wife | — | Ireland |
| 58 | Margaret Nolan | 14 | Daughter | — | New York |
| 59 | Lillian Nolan | 12 | Daughter | — | New York |
| 60 | James Nolan | 10 | Son | — | New York |
| 61 | Joseph Nolan | 8 | Son | — | New York |
| 62 | Mary Nolan | 7 | Daughter | — | New York |
| 63 | John Nolan | 2 | Daughter | — | New York |
| 64 | Maurice O'Connell | 56 | Head | Examiner | New York |
| 65 | Alice O'Connell | 49 | Wife | — | New York |
| 66 | Mary O'Connell | 20 | Daughter | — | New York |
| 67 | Genevieve O'Connell | 18 | Daughter | — | New York |
| 68 | Robert O'Connell | 16 | Son | — | New York |
| 69 | Vincent De Bose | 67 | Head | Porter | Italy |
| 70 | Mary De Bose | 63 | Wife | — | Italy |
| 71 | Adelaide De Bose | 34 | Daughter | Clerical | Ohio |
| 72 | Helen De Bose | 19 | Daughter | Machine Operator | Ohio |
| 73 | Edward De Bose | 30 | Son | Operator | Ohio |
| 74 | Lilian Whitbeck | 69 | Head | — | New York |
| 75 | James Whitbeck | 44 | Son | Hooker | New York |
| 76 | Anna Whitbeck | 40 | Daughter | — | New York |
| 77 | Anna Whitbeck | 15 | Granddaughter | — | New York |
| 78 | Matilda Pratt | 65 | Head | — | England |
| 79 | Walter Pratt | 32 | Son | Credit Clerk | New York |
| 80 | Margaret Pratt | 65 | Sister-in-law | — | 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)