MW
Mary Wilcox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Buchanan-County, Missouri
Our Model Tree links this Mary Wilcox across the 1930 and 1940 US Censuses in Buchanan-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Missouri |
| Surname | Wilcox |
| Given Name | Mary Ann |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Joseph City |
| 1935 Residence (County) | Buchanan |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Joseph City |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Norman Wilcox | Son | — | 13 | ~1927 |
| Barbara Wilcox | Daughter | — | 6 | ~1934 |
| Clarence Wilcox | Head | — | 43 | ~1897 |
| Jackie Wilcox | Son | — | 4 | ~1936 |
| Claudine Wilcox | Spouse | — | 42 | ~1898 |
| William Wilcox | Son | — | 15 | ~1925 |
| Mary Wilcox | Daughter | — | 17 | ~1923 |
| Clarence Wilcox | Son | — | 11 | ~1929 |
Census Appearances
1930
Buchanan, Missouri
Daughter, age 7
Buchanan, Missouri · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilcox |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Buchanan-County, Missouri
Daughter, age 17
Buchanan-County, Missouri · implied b. ~1923 — 8 household members
| Surname | Wilcox |
| Given Name | Mary Ann |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Joseph City |
| 1935 Residence (County) | Buchanan |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Wilcox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wilcox
Daughter · 1940 · age 17 · b. ~1923 · Missouri
★ You are viewing this record
Sibling
William Wilcox
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Wilcox
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jackie Wilcox
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Wilcox
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Wilcox
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Buchanan-County, Missouri
Open full size
1940 US Federal Census — Buchanan-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02087-00687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dennis Curtins | 19 | son | Delivery | Missouri |
| 42 | Le Roy Curtins | 16 | son | — | Missouri |
| 43 | Robert Curtins | 15 | son | — | Missouri |
| 44 | Donald Curtins | 9 | son | — | Missouri |
| 45 | Clarence Wilcox | 43 | head | Cook | Nebraska |
| 46 | Claudine Wilcox | 42 | wife | — | Missouri |
| 47 | Mary Ann Wilcox THIS PERSON | 17 | daughter | — | Missouri |
| 48 | William Wilcox | 15 | son | — | Nebraska |
| 49 | Norman Wilcox | 13 | son | — | Missouri |
| 50 | Clarence Jr Wilcox | 11 | son | — | Missouri |
| 51 | Barbara J Wilcox | 6 | daughter | — | Missouri |
| 52 | Jackie Wilcox | 4 | son | — | Missouri |
| 53 | Larry Rush | 46 | head | Switchman | Illinois |
| 54 | Elizabeth Rush | 46 | wife | — | Missouri |
| 55 | Robert Rush | 20 | son | Cooler Dept. | Missouri |
| 56 | Mary Lou Rush | 18 | daughter | — | Missouri |
| 57 | Richard Rush | 13 | son | — | Missouri |
| 58 | Patricia Rush | 10 | daughter | — | Missouri |
| 59 | Bridget Doyal | 84 | Aunt | — | Kansas |
| 60 | Viola E. Winters | 48 | head | Dentist | Missouri |
| 61 | Jean Winters | 48 | wife | Office Clerk | Missouri |
| 62 | Reid Townsend | 34 | head | Buyer | Missouri |
| 63 | Jane Townsend | 33 | wife | Stenographer | Missouri |
| 64 | Viola E Caylor | 66 | mother in l | — | Ohio |
| 65 | Fred Stephan | 64 | head | Baker | Kansas |
| 66 | Laura Stephan | 57 | wife | — | Missouri |
| 67 | Bob Stephan | 14 | son | — | Missouri |
| 68 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 69 | Roy Ratliff | 37 | head | Sheep Kill | Missouri |
| 70 | Lyla Ratliff | 33 | wife | — | Nebraska |
| 71 | Freda Ratliff | 14 | daughter | — | Missouri |
| 72 | Beulah D Ratliff | 12 | daughter | — | Missouri |
| 73 | Dixie Lou Ratliff | 8 | daughter | — | Missouri |
| 74 | Anthony Youngblood | 40 | head | Office Clerk | Missouri |
| 75 | Dulcie Youngblood | 38 | wife | — | Missouri |
| 76 | Marietta Youngblood | 14 | daughter | — | Missouri |
| 77 | Jo Ann Youngblood | 11 | daughter | — | Missouri |
| 78 | Leona Mainz | 45 | head | Clerk | Kansas |
| 79 | Glenn A. Stoudner | 24 | niece | Packer | Missouri |
| 80 | Cora M. Quisenberry | 23 | niece | Clerk | Kansas |
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)