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Mary Mcmillan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Mcmillan 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: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | McMillan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | First papers filed |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| 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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Paula Mcmillan | Daughter | — | 9 | ~1931 |
| Veronica Mcmillan | Daughter | — | 1 | ~1939 |
| Albert Mcmillan | Son | — | ~1940 | |
| Ralph Mcmillan | Son | — | 12 | ~1928 |
| David Mcmillan | Head | — | 40 | ~1900 |
| Edward Mcmillan | Son | — | 18 | ~1922 |
| Elizabeth Mcmillan | Daughter | — | 16 | ~1924 |
| Robert Mcmillan | Son | — | 3 | ~1937 |
| George Mcmillan | Son | — | 5 | ~1935 |
| Mary Mcmillan | Spouse | — | 39 | ~1901 |
Census Appearances
1930
New York, …
Other, age 30
New York, New York · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Macmillan |
| Given Name | Margaret |
| Relationship to Head | Maid |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1923 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Chambermaid |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Kings-County, New …
Spouse, age 39
Kings-County, New York · implied b. ~1901 — 10 household members
| Surname | McMillan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | First papers filed |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Mcmillan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcmillan
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
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02615-00217)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Brooke | 48 | Head | Painter | Germany |
| 2 | Johanna Brooke | 46 | Wife | — | Germany |
| 3 | Harry Brooke | 17 | Son | — | Germany |
| 4 | Walter Birmingham | 36 | Head | Clerk | New York City |
| 5 | Louise Birmingham | 32 | Wife | — | New York City |
| 6 | William Lowland | 55 | Head | Salesman | New York City |
| 7 | Alice Lowland | 55 | Wife | — | England |
| 8 | Ernest Coffenberg | 54 | Head | Supervisor | Wyoming |
| 9 | Nellie Coffenberg | 46 | Wife | — | Virginia |
| 10 | John Coffenberg | 24 | Son | Laborer | New York City |
| 11 | Mancil Anderson | 31 | Head | Engineer | Pennsylvania |
| 12 | Mae Anderson | 29 | Wife | — | New York City |
| 13 | Lottie Austermuehle | 51 | Head | Dressmaker | Germany |
| 14 | August Yendrick | 55 | Head | Employer | New York City |
| 15 | Madeline Yendrick | 23 | Daughter | — | New York City |
| 16 | Elsa Lentner | 41 | Head | — | Germany |
| 17 | Catherine Lentner | 21 | Daughter | Stenographer | New York City |
| 18 | Francis Lentner | 16 | Daughter | — | New York City |
| 19 | Robert Lentner | 14 | Son | — | New York City |
| 20 | Freda Schwarzer | 60 | Lodger | — | Germany |
| 21 | Anna De Castro | 44 | Lodger | — | New York City |
| 23 | David Mcmillan | 40 | Head | Sr Mechanic | Scotland |
| 24 | Mary Mcmillan THIS PERSON | 39 | Wife | — | Scotland |
| 25 | Edward Mcmillan | 18 | Son | — | Scotland |
| 26 | Elizabeth Mcmillan | 16 | Daughter | — | Scotland |
| 27 | Ralph Mcmillan | 12 | Son | — | New York City |
| 28 | Paula Mcmillan | 9 | Daughter | — | New York City |
| 29 | George Mcmillan | 5 | Son | — | New York City |
| 30 | Robert Mcmillan | 3 | Son | — | New York City |
| 31 | Veronica Mcmillan | 1 | Daughter | — | New York City |
| 32 | Albert Mcmillan | 0 | Son | — | New York City |
| 33 | James Sr Dwyer | 39 | Head | Laborer | New York City |
| 34 | Elizabeth Dwyer | 41 | Wife | — | New York City |
| 35 | James Jr Dwyer | 17 | Son | — | New York City |
| 36 | Elizabeth Dwyer | 16 | Daughter | — | New York City |
| 37 | Thomas Dwyer | 13 | Son | — | New York City |
| 38 | Harry Maddock | 70 | Father-in-law | — | England |
| 39 | George Perron | 54 | Head | Employer | Germany |
| 40 | Johanna Perron | 48 | Wife | — | Germany |
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)