MK
Mary King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Mary King across the 1910, 1920, 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 3-person household.
Age 68
b. ~1872
Female
Head
Born: Michigan
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | King |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Pt. Huron |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Pt Huron |
| Est. Birth Year | ~1872 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary King | Head | — | 68 | ~1872 |
| John Loshaw | Son | — | 33 | ~1907 |
| Thelma Loshaw | Spouse | — | 23 | ~1917 |
Census Appearances
1910
St Clair, …
Other, age 39
St Clair, Michigan · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Mary |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
St Clair, …
Other, age 50
St Clair, Michigan · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Molly |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
St Clair, …
Other, age 60
St Clair, Michigan · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Molly A. |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Head, age 68
St.-Clair-County, Michigan · implied b. ~1872 — 3 household members
| Surname | King |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Pt. Huron |
| 1935 Residence (County) | St. Clair |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 King across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary King
Head · 1940 · age 68 · b. ~1872 · Michigan
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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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01816-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leonard Odett | 43 | Head | Proprietor | Canada-Eng |
| 42 | Nelson Odett | 19 | Son | Deliveryman | Canada-Eng |
| 43 | Harry Odett | 76 | Father | 7 | Canada-Eng |
| 44 | James B. Davis | 43 | Head | Instructor | Arkansas |
| 45 | Viola Davis | 40 | Wife | — | Arkansas |
| 46 | Mary E. King THIS PERSON | 68 | Head | — | Michigan |
| 47 | John L. Loshaw | 33 | Son | Laborer | Michigan |
| 48 | Thelma Loshaw | 23 | Wife | Washing Machine | Michigan |
| 49 | Elwood Justin | 22 | Head | Grinder Machine | Michigan |
| 50 | Mildred Justin | 20 | Wife | — | Michigan |
| 51 | Belva Justin | 2 | Daughter | — | Michigan |
| 52 | Elfred Justin | 1 | Son | — | Michigan |
| 53 | Herbert Moore | 56 | Head | Moulder | Michigan |
| 54 | Augusta Moore | 49 | Wife | — | Michigan |
| 55 | Robert E. Knox | 48 | Head | Machinist Helper | Georgia |
| 56 | Maxine Knox | 40 | Wife | — | Georgia |
| 57 | Mary Knox | 62 | Wife | — | Georgia |
| 58 | Vasilious Cavender | 43 | Head | Shoe Repair | Turkey |
| 59 | Esther Cavender | 28 | Wife | — | Michigan |
| 60 | Alfred Cavender | 11 | Son | — | Michigan |
| 61 | Mary E. Cavender | 8 | Daughter | — | Michigan |
| 62 | Gladys Cavender | 7 | Daughter | — | Michigan |
| 63 | Beatrice Cavender | 4 | Daughter | — | Michigan |
| 64 | Hilbert Hayley | 62 | Head | Car Pitman | Alabama |
| 65 | Susie Hayley | 50 | Wife | — | Alabama |
| 66 | Elzada Hayley | 18 | Daughter | — | Alabama |
| 67 | Theodora Hayley | 15 | Daughter | — | Michigan |
| 68 | John M. Hayley | 12 | Son | — | Michigan |
| 69 | Charles Jr. Hayley | 5 | Son | — | Michigan |
| 70 | Eddie Mcduffie | 33 | Head | Cook | Alabama |
| 71 | Beaulah Mcduffie | 16 | Wife | — | Michigan |
| 72 | Mattie Lou Mcduffie | 1 | Daughter | — | Michigan |
| 73 | Ralph Mcduffie | None | Son | — | Michigan |
| 74 | Bernardo Saldana | 38 | Head | Core Maker | Mexico |
| 75 | Mary Saldana | 42 | Wife | Housework | Pennsylvania |
| 76 | Nellie Mcauley | 22 | Boarder | Attendant | Pennsylvania |
| 77 | Howard Mcscott | 42 | Head | Salesman | Michigan |
| 78 | Mary Mcscott | 34 | Wife | — | Michigan |
| 79 | Ellis Leclaire | 37 | Head | Store | Texas |
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)