WM
William Mckay — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oxford-County, Maine
Our Model Tree links this William Mckay across the 1930 and 1940 US Censuses in Oxford-County, Maine (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oxford-County, Maine |
| Surname | McKay |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Norway Village |
| 1935 Residence (County) | Oxford |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 350 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Farmer |
| Township / Ward | Norway Village |
| Est. Birth Year | ~1887 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Mckay | Daughter | — | 15 | ~1925 |
| George Mckay | Son | — | 6 | ~1934 |
| Mabel Mckay | Spouse | — | 31 | ~1909 |
| William Mckay | Head | — | 53 | ~1887 |
| Evelyn Mckay | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Oxford, Maine
Head, age 42
Oxford, Maine · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 31 |
| Father's Birthplace | Nova Scotia |
| Mother's Birthplace | Nova Scotia |
| Occupation | Laborer |
| Industry | odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 200 |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Oxford-County, Maine
Head, age 53
Oxford-County, Maine · implied b. ~1887 — 5 household members
| Surname | McKay |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Norway Village |
| 1935 Residence (County) | Oxford |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 350 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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.
Show:
This person
Anchor record
William Mckay
Head · 1940 · age 53 · b. ~1887 · Maine
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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 — Oxford-County, Maine
Open full size
1940 US Federal Census — Oxford-County, Maine
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01484-00582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Geo E La Bossiere | 35 | Head | Shoe Worker | Maine |
| 42 | Hattie B La Bossiere | 31 | Wife | Shoe Worker | Maine |
| 43 | Ruth I La Bossiere | 9 | Daughter | — | Maine |
| 44 | Lillian M La Bossiere | 2 | Daughter | — | Maine |
| 45 | Everard D Monk | 30 | Head | Laborer | Maine |
| 46 | Nettie F Monk | 22 | Wife | — | Maine |
| 47 | Jacquelyn G Monk | 3 | Daughter | — | Maine |
| 48 | Geraldine R Monk | 2 | Daughter | — | Maine |
| 49 | Velma O Monk | 33 | Sister-in-law | Laundress | Maine |
| 50 | Arthur L Lapham | 38 | Head | Shoe Worker | Maine |
| 51 | Sylvia A Lapham | 36 | Wife | Shoe Worker | Maine |
| 52 | Annette L Lapham | 18 | Daughter | — | Maine |
| 53 | Allen L Lapham | 9 | Son | — | Maine |
| 54 | William G Durrell | 61 | Head | Machinist | Maine |
| 55 | Lillian B Durrell | 52 | Wife | — | Maine |
| 56 | Phillip M Everett | 50 | Head | Wood Worker | Maine |
| 57 | Gladys G Everett | 47 | Wife | Linotype | Maine |
| 58 | Louis H Everett | 21 | Son | Truck Driver | Maine |
| 59 | William G Everett | 19 | Son | Shoe Worker | Maine |
| 60 | Robert E Everett | 17 | Son | Laborer | Maine |
| 61 | Richard G Everett | 13 | Son | — | Maine |
| 62 | Ronald S Everett | 7 | Son | — | Maine |
| 63 | Walter Niemi | 32 | Head | Laborer | Maine |
| 64 | Kathleen E Niemi | 23 | Wife | — | Maine |
| 65 | Janice E Niemi | 6 | Daughter | — | Maine |
| 66 | Jacqueline A Niemi | 4 | Daughter | — | Maine |
| 67 | Elbridge G Holt | 89 | Head | Farmer | Maine |
| 68 | I Belle Holt | 55 | Daughter | — | Maine |
| 69 | Maurice E York | 31 | Grandson | Laborer | Maine |
| 70 | Maud A York | 20 | Granddaughter-in-law | — | Maine |
| 71 | William H Mckay THIS PERSON | 53 | Head | Farmer | Maine |
| 72 | Mabel M Mckay | 31 | Wife | — | Maine |
| 73 | Dorothy G Mckay | 15 | Daughter | — | Maine |
| 74 | George W Mckay | 6 | Son | — | Maine |
| 75 | Evelyn J Mckay | 4 | Daughter | — | Maine |
| 76 | Herbert Wright | 47 | Head | Farmer | New York |
| 77 | Othilda S Wright | 44 | Wife | — | Massachusetts |
| 78 | Ray G Upton | 55 | Head | Farmer | Maine |
| 79 | Rosa L Upton | 57 | Brother | Laborer | Maine |
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)