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Margaret Mcnamara — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Margaret Mcnamara across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 10-person household.
Age 39
b. ~1901
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | McNamara |
| Given Name | Margaret D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | irish free state |
| Township / Ward | New York City |
| Est. Birth Year | ~1901 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| John Mcnamara | Son | — | 14 | ~1926 |
| Thomas Mcnamara | Son | — | 9 | ~1931 |
| Margaret Mcnamara | Daughter | — | 5 | ~1935 |
| John Mcnamara | Head | — | 44 | ~1896 |
| James Mcnamara | Son | — | 6 | ~1934 |
| Margaret Mcnamara | Spouse | — | 39 | ~1901 |
| Donald Mcnamara | Son | — | 12 | ~1928 |
| Patrick Mcnamara | Son | — | 13 | ~1927 |
| William Mcnamara | Son | — | 7 | ~1933 |
| Robert Mcnamara | Son | — | 3 | ~1937 |
Census Appearances
1930
Kings, New …
Other, age 30
Kings, New York · implied b. ~1900 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Mary |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1919 |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Kings-County, New …
Spouse, age 39
Kings-County, New York · implied b. ~1901 — 10 household members
| Surname | McNamara |
| Given Name | Margaret D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | irish free state |
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 Mcnamara across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Mcnamara
Spouse · 1940 · age 39 · b. ~1901 · 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-t0627-02579-00753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Mclaughlin | 15 | Daughter | — | Massachusetts |
| 2 | James R. Mclaughlin | 7 | Son | — | Massachusetts |
| 3 | Edward Mclaughlin | 5 | Son | — | Massachusetts |
| 4 | John Mcnamara | 44 | Head | Collector | Irish Free State |
| 5 | Margaret D. Mcnamara THIS PERSON | 39 | Wife | — | Irish Free State |
| 6 | John Mcnamara | 14 | Son | — | New York |
| 7 | Patrick Mcnamara | 13 | Son | — | New York |
| 8 | Donald Mcnamara | 12 | Son | — | New York |
| 9 | Thomas Mcnamara | 9 | Son | — | New York |
| 10 | William Mcnamara | 7 | Son | — | New York |
| 11 | James Mcnamara | 6 | Son | — | New York |
| 12 | Margaret Mcnamara | 5 | Daughter | — | New York |
| 13 | Robert Mcnamara | 3 | Son | — | New York |
| 14 | Paul Terzano | 52 | Head | Elevator Foreman | Italy |
| 15 | Clara Terzano | 41 | Wife | — | Italy |
| 16 | Marie Terzano | 17 | Daughter | — | New York |
| 17 | Evelyn Terzano | 14 | Daughter | — | New York |
| 18 | Paul Terzano | 10 | Son | — | New York |
| 19 | Nicholas Terzano | 7 | Son | — | New York |
| 20 | Michael Terzano | 56 | Head | Knife Grinder | Italy |
| 21 | Rose Terzano | 49 | Wife | — | Italy |
| 22 | Mary Terzano | 26 | Daughter | — | New York |
| 23 | Paul Terzano | 26 | Son | Chauffeur | New York |
| 24 | Daniel Terzano | 22 | Son | — | New York |
| 25 | Concetta Terzano | 20 | Daughter | Dressmaker | New York |
| 26 | Pasquale Romano | 60 | Head | — | Italy |
| 27 | Johanna Romano | 60 | Wife | — | Italy |
| 28 | Angelo Romano | 37 | Son | Automobile Mechanic | Italy |
| 29 | Peter Romano | 30 | Son | Steamfitter | New York |
| 30 | Mary Romano | 26 | Daughter | — | New York |
| 31 | Grace Romano | 22 | Daughter | New Worker | New York |
| 32 | Nicholas Blanche | 27 | Head | Chauffeur | New York |
| 33 | Mary Blanche | 26 | Wife | — | New York |
| 34 | Nicholas Blanche | 5 | Son | — | New York |
| 35 | Patricia Blanche | 3 | Daughter | — | New York |
| 36 | George Stenza | 41 | Head | Motorman | New York |
| 37 | Anna Stenza | 36 | Wife | — | Irish Free State |
| 38 | George Stenza | 13 | Son | — | New York |
| 39 | James Stenza | 12 | Son | — | New York |
| 40 | William Stenza | 10 | Son | — | 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)