MC
Mary Curtis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Audrain-County, Missouri
Our Model Tree links this Mary Curtis across the 1930 and 1940 US Censuses in Audrain-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Audrain-County, Missouri |
| Surname | Curtis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Audrain |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Mexico City |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Margaret Curtis | Daughter | — | 2 | ~1938 |
| Gracie Curtis | Daughter | — | 12 | ~1928 |
| Rosanna Curtis | Daughter | — | 19 | ~1921 |
| Virginia Curtis | Daughter | — | 13 | ~1927 |
| Mary Curtis | Daughter | — | 15 | ~1925 |
| Granville Curtis | Head | — | 55 | ~1885 |
| Richard Curtis | Son | — | 7 | ~1933 |
| Nola Curtis | Spouse | — | 31 | ~1909 |
Census Appearances
1930
Audrain, Missouri
Daughter, age 5
Audrain, Missouri · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Audrain-County, Missouri
Daughter, age 15
Audrain-County, Missouri · implied b. ~1925 — 8 household members
| Surname | Curtis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Audrain |
| Highest Grade | No 6 |
| 1935 Residence | Missouri |
| 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 Curtis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Curtis
Daughter · 1940 · age 15 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
Richard Curtis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Curtis
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Curtis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosanna Curtis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gracie Curtis
Sibling · 1940 · age 12
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 — Audrain-County, Missouri
Open full size
1940 US Federal Census — Audrain-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02082-00767)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Everett Glen Johnson | 26 | Lodger | Truck Driver | Missouri |
| 2 | Wallace Peet | 49 | Head | — | Missouri |
| 3 | Florence Baker | 49 | Head | — | Missouri |
| 4 | Sherwood Baker | 23 | Son | Maid | Missouri |
| 5 | Gladys Baker | 17 | Daughter | Labour | Missouri |
| 6 | Granville Curtis | 55 | Head | Laborer | Missouri |
| 7 | Nola Curtis | 31 | Wife | Maid | Missouri |
| 8 | Mary Curtis THIS PERSON | 15 | Daughter | — | Missouri |
| 9 | Rosanna Curtis | 19 | Daughter | Maid | Missouri |
| 10 | Virginia Curtis | 13 | Daughter | — | Missouri |
| 11 | Gracie Curtis | 12 | Daughter | — | Missouri |
| 12 | Richard Curtis | 7 | Son | — | Missouri |
| 13 | Margaret Curtis | 2 | Daughter | — | Missouri |
| 14 | Lige Tucker | 42 | Head | Truck Driver | Missouri |
| 15 | Viola Tucker | 37 | Wife | — | Missouri |
| 16 | Jay Johnson | 73 | Head | — | Missouri |
| 17 | Harry Johnson | 40 | Son | Laborer | Missouri |
| 18 | Juanita Jacobs | 42 | Head | Laundress | Missouri |
| 19 | Mary Brown | 42 | Head | — | Kentucky |
| 20 | Allie Brown | 30 | Daughter | Cook | Missouri |
| 21 | Dave Hearn | 67 | Head | Laborer | Missouri |
| 22 | Georgia Hearn | 57 | Wife | Cook | Missouri |
| 23 | Jessie Berry | 57 | Head | — | Missouri |
| 24 | Lillian Scott | 38 | Daughter | Cook | Missouri |
| 25 | Ray Shivers | 35 | Head | Janitor | Missouri |
| 26 | Olinda Shivers | 32 | Wife | — | Missouri |
| 27 | Charlotte Shivers | 8 | Daughter | — | Missouri |
| 28 | Mildred Davis | 12 | Daughter | — | Missouri |
| 29 | Hallene Carter | 27 | Head | Laundress | Missouri |
| 30 | Elois Carter | 8 | Daughter | — | Illinois |
| 31 | Jessitene Carter | 6 | Daughter | — | Illinois |
| 32 | Bertha Turner | 27 | Head | Cutter | Missouri |
| 33 | Billy Gene Turner | 6 | Son | — | Missouri |
| 34 | Wanda Elaine Turner | 3 | Daughter | — | Missouri |
| 35 | Oleta Coose | 29 | Head | — | Missouri |
| 36 | Patsy L. Coose | 8 | Daughter | — | Missouri |
| 37 | Herbert Reiter | 20 | Head | Molder | Missouri |
| 38 | Mildred Reiter | 25 | Wife | — | Missouri |
| 39 | John R. Reiter | 7 | Son | — | Missouri |
| 40 | Calvin Reiter | 5 | Son | — | Missouri |
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)