MW
Mary William — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this Mary William across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | William |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Yonkers |
| 1935 Residence (County) | Westchester |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | G 8 |
| 1935 Residence | New York |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Yonkers City |
| Est. Birth Year | ~1894 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary William | Spouse | — | 46 | ~1894 |
| Hugh William | Son | — | 14 | ~1926 |
| Harry William | Son | — | 13 | ~1927 |
| Robert William | Head | — | 45 | ~1895 |
| Dolena William | Daughter | — | 15 | ~1925 |
| Mary William | Daughter | — | 22 | ~1918 |
Census Appearances
1930
New York, …
Other, age 36
New York, New York · implied b. ~1894 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | William |
| Given Name | Mary |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1926 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Private Family |
| Industry | Servant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Westchester-County, New …
Spouse, age 46
Westchester-County, New York · implied b. ~1894 — 6 household members
| Surname | William |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Yonkers |
| 1935 Residence (County) | Westchester |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | G 8 |
| 1935 Residence | New York |
| 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 William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary William
Spouse · 1940 · age 46 · b. ~1894 · 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 — Westchester-County, New York
Open full size
1940 US Federal Census — Westchester-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02867-00609)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis James | 10 | Son | — | New York |
| 2 | Lawrence James | 7 | Son | — | New York |
| 3 | Fritz Pearson | 54 | Head | Auto Mechanic | Sweden |
| 4 | Saki Pearson | 54 | Wife | — | Pennsylvania |
| 5 | Norma Pearson | 25 | Daughter | — | New York |
| 6 | F Alfred Pearson | 22 | Son | Attendant | New York |
| 7 | H Robert Cowen | 44 | Head | Painter | New York |
| 8 | Mary Cowen | 44 | Wife | — | New York |
| 9 | Ethel Saunders | 22 | Sister | Stenographer | New York |
| 10 | David J Jr Darley | 55 | Head | Plumber | New York |
| 11 | Theresa Darley | 49 | Wife | — | New York |
| 12 | Joseph Maisch | 50 | Head | Watchman | New York |
| 13 | Marcella Maisch | 42 | Wife | — | New York |
| 14 | Margaret Maisch | 21 | Daughter | Stenographer | New York |
| 15 | Joseph Ron Maisch | 16 | Son | — | New York |
| 16 | Mary Brushner | 63 | Head | — | Czechoslovakia |
| 17 | Emil Curth | 74 | Lodger | — | Germany |
| 18 | Robert William | 45 | Head | Stationary Engineer | Scotland |
| 19 | Mary William THIS PERSON | 46 | Wife | — | Scotland |
| 20 | Mary William | 22 | Daughter | Practical Nurse | Scotland |
| 21 | Dolena William | 15 | Daughter | — | Scotland |
| 22 | Hugh William | 14 | Son | — | New York |
| 23 | Harry William | 13 | Son | — | New York |
| 24 | Gustav Peterson | 33 | Head | Carpenter | Sweden |
| 25 | Brenda Peterson | 36 | Wife | — | Massachusetts |
| 26 | Carleton Peterson | 8 | Son | — | Massachusetts |
| 27 | Earl Peterson | 6 | Son | — | New York |
| 28 | Edward Bridge | 44 | Head | Floriculturist | Massachusetts |
| 29 | Hildur Bridge | 44 | Wife | Teacher | Massachusetts |
| 30 | William Bridge | 7 | Son | — | New York |
| 31 | M Amy Egner | 46 | Head | — | New York |
| 32 | William Parker Egner | 28 | Son | — | Scotland |
| 33 | A Fannie Egner | 68 | Mother | — | New York |
| 34 | Amy Thurton | 79 | Head | — | New York |
| 35 | James Hill | 45 | Head | Assistant Custodian | North Ireland |
| 36 | Elizabeth Hill | 42 | Wife | — | North Ireland |
| 37 | Maybel Newbrand | 39 | Head | — | New York |
| 38 | Lorraine Newbrand | 20 | Daughter | Receptionist | New York |
| 39 | Muriel Newbrand | 14 | Daughter | — | New York |
| 40 | John Mueller | 58 | Head | — | Luxembourg |
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)