WM
William Mckay — 1940 US Census Record
Model Tree available1940 United States Federal Census · Queens-County, New York
Our Model Tree links this William Mckay across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed), with identified parents Adam & Mary — first a head (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Queens-County, New York |
| Surname | McKay |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Additional Details | |
| Occupation | Chauffer |
| Industry | Institution |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffer |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mckay | Head | — | 39 | ~1901 |
| William Mckay | Son | — | 1 | ~1939 |
| Coral Mckay | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Queens, New …
Son, age 19
Queens, New York · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Electrician |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Queens, New …
Son, age 29
Queens, New York · implied b. ~1901 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Chauffeur |
| Industry | Am. Ry. Ex. Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Queens-County, New …
Head, age 39
Queens-County, New York · implied b. ~1901 — 3 household members
| Surname | McKay |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Occupation | Chauffer |
| Industry | Institution |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 William Mckay across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adam Mckay (~0.92 confidence) and mother Mary Mckay (~0.92 confidence) and mother Mary Mckay (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adam Mckay
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Mary Mckay
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Mckay
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mckay
Head · 1940 · age 39 · b. ~1901 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Queens-County, New York
Open full size
1940 US Federal Census — Queens-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02747-00358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eling Naxson | Maxson | 58 | Boarder | Builder | Sweden |
| 42 | Herbert Altman | 42 | Head | Foreman | Ireland |
| 43 | Delia Altman | 41 | Wife | — | Ireland |
| 44 | William Mckay THIS PERSON | 39 | Head | Chauffer | Massachusetts |
| 45 | Coral Mckay | 30 | Wife | — | New York |
| 46 | William Jr Mckay | 1 | Son | — | New York |
| 47 | Thomas Roughsedge | 45 | Head | Supervisor | England |
| 48 | Helen Roughsedge | 45 | Wife | — | Chicago |
| 49 | Robert Roughsedge | 17 | Son | — | New York |
| 50 | Arthur Gregory | 38 | Head | Printer | New York |
| 51 | Madeline Gregory | 35 | Wife | Printer | New York |
| 52 | Clara Gregory | 16 | Daughter | — | New York |
| 53 | Alabine | Alabina Gregory | 3 | Daughter | — | New York |
| 54 | Geminal | Germinal Franco | 29 | Head | Accountant | New York |
| 55 | Edith Franco | 28 | Wife | Secretary | New York |
| 56 | Robert Franco | 3 | Son | — | New York |
| 57 | Walbert Witte | 38 | Head | Electrician | New York |
| 58 | Margaret Witte | 32 | Wife | — | New York |
| 59 | Walbert Witte | 11 | Son | — | New York |
| 60 | Margaret Witte | 9 | Daughter | — | New York |
| 61 | Frank Schuesky | Schuesley | 32 | Head | Collector | New York |
| 62 | Phyllis Schuesky | Schuesley | 25 | Wife | — | New York |
| 63 | Richard Schmidt | 38 | Head | Butcher | Germany |
| 64 | Alwine Schmidt | 38 | Wife | — | Germany |
| 65 | Richard Schmidt | 7 | Son | — | New York |
| 66 | Robert Manty | 44 | Head | Novelties | Germany |
| 67 | Agnes Manty | 38 | Wife | — | Germany |
| 68 | Robert Manty | 12 | Son | — | New York |
| 69 | Helen Manty | 10 | Daughter | — | New York |
| 70 | John Nesbit | 44 | Head | Handyman | New York |
| 71 | Mildred Nesbit | 42 | Wife | — | New York |
| 72 | John Nesbit | 17 | Son | — | New York |
| 73 | William Nesbit | 12 | Son | — | New York |
| 74 | Ralph Merenda | 45 | Head | Mechanic | Italy |
| 75 | Helen Merenda | 45 | Wife | — | Italy |
| 76 | Joseph Merenda | 18 | Son | New Worker | New York |
| 77 | Salvatore Tomasello | 32 | Head | Bricklayer | New York |
| 78 | Molly Tomasello | 31 | Wife | — | New York |
| 79 | Henry Fitzpatrick | 57 | Head | Marine Engineer | Ireland |
| 80 | Alice Fitzpatrick | 40 | Wife | — | New York |
Pedigree Summary
William
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)