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Margaret Mcnamara — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Margaret Mcnamara across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 10-person household.
Age 43
b. ~1897
Female
Spouse
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Kenmore |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 1935 Residence | New York |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | East Aurora |
| Est. Birth Year | ~1897 |
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 |
|---|---|---|---|---|
| Helen Mcnamara | Daughter | — | 10 | ~1930 |
| Jean Mcnamara | Daughter | — | 17 | ~1923 |
| Sherman Mcnamara | Son | — | 13 | ~1927 |
| Margaret Mcnamara | Daughter | — | 18 | ~1922 |
| Sherman Mcnamara | Head | — | 49 | ~1891 |
| Marilyn Mcnamara | Daughter | — | 15 | ~1925 |
| Robert Mcnamara | Son | — | 2 | ~1938 |
| Clifford Mcnamara | Son | — | 2 | ~1938 |
| Kevin Mcnamara | Son | — | 8 | ~1932 |
| Margaret Mcnamara | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Erie, New …
Spouse, age 33
Erie, New York · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Margaret R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 23 |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Erie-County, New …
Spouse, age 43
Erie-County, New York · implied b. ~1897 — 10 household members
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Kenmore |
| 1935 Residence (County) | Erie |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 1935 Residence | New York |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 43 · b. ~1897 · 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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
16 people indexed on this census page (nara:1940:m-t0627-02526-00680)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Burton Jr. Gibby | 17 | son | — | New York |
| 42 | Mills Myrna Gibby | 58 | sister-in-law | Nurse | New York |
| 43 | Robert Melville | 53 | head | Manager | New York |
| 44 | Hazel S. Melville | 54 | wife | — | New York |
| 45 | Irene Melville | 26 | daughter | Stenographer | New York |
| 46 | Robert Melville | 16 | son | — | New York |
| 47 | Sherman Mcnamara | 49 | head | Auditor | New York |
| 48 | Margaret Mcnamara THIS PERSON | 43 | wife | — | Nebraska |
| 49 | Margaret Mcnamara | 18 | daughter | — | New York |
| 50 | Jean Mcnamara | 17 | daughter | — | New York |
| 51 | Marilyn Mcnamara | 15 | daughter | — | New York |
| 52 | Sherman Jr. Mcnamara | 13 | son | — | New York |
| 53 | Helen Mcnamara | 10 | daughter | — | New York |
| 54 | Kevin Mcnamara | 8 | son | — | New York |
| 55 | Robert Mcnamara | 2 | son | — | New York |
| 56 | Clifford Mcnamara | 2 | 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)