MM
Mary Mckay — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary Mckay across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 9-person household.
Age 46
b. ~1884
Female
Spouse
Born: Canada English
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | McKay |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Canada English |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 21 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1884 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Allan Mckay | Head | — | 49 | ~1881 |
| John Mckay | Other | — | 39 | ~1891 |
| Mary Mckay | Spouse | — | 46 | ~1884 |
| Elizabeth Mckay | Daughter | — | 21 | ~1909 |
| Jesse Killman | Other | — | 32 | ~1898 |
| Lilah Keyes | Other | — | 20 | ~1910 |
| Murray Keyes | Other | — | 15 | ~1915 |
| Jean Mckay | Daughter | — | 23 | ~1907 |
| Rae Keyes | Other | — | 13 | ~1917 |
Census Appearances
1930
Wayne, Michigan
Spouse, age 46
Wayne, Michigan · implied b. ~1884 — 9 household members
| Surname | McKay |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Canada English |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 21 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
1940
Wayne-County, Michigan
Spouse, age 56
Wayne-County, Michigan · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | Marguerite S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Canada English |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
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 Mckay across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mckay
Spouse · 1930 · age 46 · b. ~1884 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1040:0624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Horace H. Glasgow | 29 | Head | Salesman | Iowa |
| 2 | John S. Coppen | 25 | Lodger | Artist | Canada English |
| 3 | William F. Hicks | 43 | Lodger | Accountant | Iowa |
| 4 | Beatrix C. Goulet | 39 | Head | Teacher | France |
| 5 | Blanche Aikenhead | 40 | Lodger | Teacher | Massachusetts |
| 6 | Errol H. Spicer | 62 | Head | Lawyer | Canada English |
| 7 | Helen A. Merrill | 46 | Head | Teacher | Michigan |
| 8 | Marjorie Merrill | 19 | Daughter | — | New Hampshire |
| 9 | Betty Merrill | 16 | Daughter | — | New Hampshire |
| 10 | Alice Merrill | 13 | Daughter | — | New Hampshire |
| 11 | Margaret La Barge | 57 | Head | Teacher | Canada English |
| 12 | Gladys W. Carter | 24 | Boarder | Trained Nurse | Canada English |
| 13 | Alice S. Boyd | 35 | Boarder | Trained Nurse | Virginia |
| 14 | Allan D. Mckay | 49 | Head | Secy-Treas | Michigan |
| 15 | Mary F. Mckay THIS PERSON | 46 | Wife | — | Canada English |
| 16 | Jean A. Mckay | 23 | Daughter | — | Michigan |
| 17 | Elizabeth H. Mckay | 21 | Daughter | — | Michigan |
| 18 | John Mckay | 39 | Brother | Carpenter | Canada English |
| 19 | Lilah Keyes | 20 | Boarder | — | Canada English |
| 20 | Murray Keyes | 15 | Boarder | — | Canada English |
| 21 | Rae Keyes | 13 | Boarder | — | Michigan |
| 22 | Jesse L. Killman | 32 | Boarder | Salesman | Michigan |
| 23 | Stewart R. Boyer | 32 | Head | Attorney | Pennsylvania |
| 24 | Charles L. Andrews | 34 | Lodger | Attorney | Michigan |
| 25 | Charles W. Keena | 62 | Head | Clerical | Michigan |
| 26 | Edith H. Keena | 57 | Wife | — | Canada English |
| 27 | Kemp X. Keena | 34 | Son | Salesman | Michigan |
| 28 | Robert N. Gibson | 37 | Head | Accountant | Canada English |
| 29 | Elizabeth A. Eyston | 41 | Head | Clerical | Canada English |
| 30 | Martha L. Leahy | 56 | Head | — | Michigan |
| 31 | Ralph H. Leahy | 30 | Son | Investment | Michigan |
| 32 | Hazen Payette | 31 | Boarder | Attorney | Michigan |
| 33 | James Metes | 34 | Lodger | Physician | Greece |
| 34 | Ralph E. Bella | 37 | Lodger | Proprietor | Michigan |
| 35 | John F. Dempsey | 39 | Lodger | C. P. Accountant | Pennsylvania |
| 36 | Henry Earle | 29 | Lodger | Salesman | Pennsylvania |
| 37 | Evelyn A. Cooper | 53 | Lodger | Trained Nurse | England |
| 38 | Florence Read | 24 | Lodger | Secretary | Iowa |
| 39 | John W. Pickford | 37 | Boarder | Engineer | Georgia |
| 40 | William H. De Lond | 58 | Head | Manager | Michigan |
| 41 | May C. De Lond | 54 | Wife | Manager | Michigan |
| 42 | George B. De Lond | 25 | Son | — | Michigan |
| 43 | Anthony Vandenburg | 28 | Head | — | Michigan |
| 44 | Theo. Thompson | 60 | Head | — | Michigan |
| 45 | Mary H. Maxwell | 58 | Head | — | New York |
| 46 | Mary J. Mcgregor | 66 | Head | House Keeper | Canada English |
| 47 | Mary E. Eliot | 48 | Head | Teacher | Michigan |
| 48 | Mary C. Eliot | 77 | Mother | — | Canada French |
| 49 | Nettie Ubel | 48 | Head | Nurse | Ohio |
| 50 | Eudora B. Ford | 76 | Head | — | Michigan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)