WM
William Mckay — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Litchfield-County, Connecticut
Our Model Tree links this William Mckay across the 1930 and 1940 US Censuses in Litchfield-County, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 6-person household.
Age 51
b. ~1889
Male
Head
Born: Vermont
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Litchfield-County, Connecticut |
| Surname | McKay |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | New Preston |
| 1935 Residence (County) | Litchfield |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Realtor |
| Industry | Real Estate |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Realtor |
| Township / Ward | New Preston |
| Est. Birth Year | ~1889 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Mckay | Head | — | 51 | ~1889 |
| Grace Mckay | Spouse | — | 49 | ~1891 |
| Patricia Mckay | Daughter | — | 10 | ~1930 |
| Martha Mckay | Daughter | — | 1 | ~1939 |
| John Mckay | Son | — | 6 | ~1934 |
| William Mckay | Son | — | 9 | ~1931 |
Census Appearances
1930
Litchfield, Connecticut
Head, age 42
Litchfield, Connecticut · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 35 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Real Estate |
| Industry | Real Estate |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Litchfield-County, Connecticut
Head, age 51
Litchfield-County, Connecticut · implied b. ~1889 — 6 household members
| Surname | McKay |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | New Preston |
| 1935 Residence (County) | Litchfield |
| Naturalization Status | Naturalized |
| Occupation | Realtor |
| Industry | Real Estate |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Mckay
Head · 1940 · age 51 · b. ~1889 · Connecticut
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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 — Litchfield-County, Connecticut
Open full size
1940 US Federal Census — Litchfield-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00511-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Mchan | 37 | Daughter | — | Northumberland |
| 42 | Patricia Mchan | 4 | Daughter | — | Connecticut |
| 43 | Elton S. Giddings | 29 | Head | Truck Driver | Connecticut |
| 44 | Shirley W. Giddings | 19 | Wife | — | Connecticut |
| 45 | Hannah Adams | 62 | Head | — | Connecticut |
| 46 | Girard Hurd | 38 | Head | Gardner | Connecticut |
| 47 | Antonio Concasio | 49 | Head | Laborer | Italy |
| 48 | Alfred H. Wyant | 36 | Head | Saw Mill Operator | Connecticut |
| 49 | Lillian A. Wyant | 31 | Wife | — | Connecticut |
| 50 | Alfred H. Jr. Wyant | 13 | Son | — | Connecticut |
| 51 | Lillian Wyant | 12 | Daughter | — | Connecticut |
| 52 | Ellen Wyant | 8 | Daughter | — | Connecticut |
| 53 | Dallas Wyant | 2 | Son | — | Connecticut |
| 54 | Robert D. Wyant | 0 | Son | — | Connecticut |
| 55 | Henry Van D. Gibson | 24 | Head | Asst Editor | Massachusetts |
| 56 | Barbara Gibson | 25 | Wife | — | New York |
| 57 | John S. Walker | 80 | Head | — | Northumberland |
| 58 | Charlene Walker | 67 | Wife | — | Eire |
| 59 | James E. Stiff | 83 | Head | — | Connecticut |
| 60 | Henry W. Freeman | 81 | Head | Proprietor Fish Hatchery | Connecticut |
| 61 | Annie S. Lofgren | 54 | Housekeeper | Housekeeper | Connecticut |
| 62 | Henning W. Anderson | 74 | Head | Proprietor Poultry Farm | Sweden |
| 63 | Augusta F. Anderson | 64 | Wife | Housekeeper | Denmark |
| 64 | William B. Mckay THIS PERSON | 51 | Head | Realtor | Vermont |
| 65 | Grace M. Mckay | 49 | Wife | — | Connecticut |
| 66 | Patricia Mckay | 10 | Daughter | — | Connecticut |
| 67 | William E. Mckay | 9 | Son | — | Connecticut |
| 68 | John H. Mckay | 6 | Son | — | Connecticut |
| 69 | Martha G. Mckay | 1 | Daughter | — | Connecticut |
| 70 | Johanna Nielsen | 45 | Head | Factory Labor | Denmark |
| 71 | Robert P. Nielsen | 18 | Son | Laborer | New York |
| 72 | Herbert Kirkwood | 22 | Head | Farm Laborer | Connecticut |
| 73 | Dorothy M. Kirkwood | 21 | Wife | — | Maine |
| 74 | Robert W. Bolan | 30 | Head | Plumber | Connecticut |
| 75 | Kathleen E. Bolan | 33 | Wife | — | Connecticut |
| 76 | Joan M. Bolan | 9 | Daughter | — | Connecticut |
| 77 | Donna L. Bolan | 2 | Daughter | — | Connecticut |
| 78 | Robert E. Walberg | 41 | Head | Landscaper | Connecticut |
| 79 | Marie W. Walberg | 39 | Wife | — | Connecticut |
| 80 | Marion L. Walberg | 19 | Daughter | New Worker | Connecticut |
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)