MS
Mary Shields — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clay-County, Missouri
Our Model Tree links this Mary Shields across the 1930 and 1940 US Censuses in Clay-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Missouri |
| Surname | Shields |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Kearney Township |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Oscar Shields | Head | — | 50 | ~1890 |
| Van Shields | Other | — | 56 | ~1884 |
| Mattie Shields | Spouse | — | 39 | ~1901 |
| Mary Shields | Daughter | — | 12 | ~1928 |
| James Shields | Other | — | 20 | ~1920 |
| Jack Shields | Son | — | 15 | ~1925 |
| Sara Shields | Daughter | — | 3 | ~1937 |
| Katie Shields | Daughter | — | 10 | ~1930 |
| William Shields | Son | — | 13 | ~1927 |
| Daisy Shields | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Jackson, Missouri
Daughter, age 2
Jackson, Missouri · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shields |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | none |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Clay-County, Missouri
Daughter, age 12
Clay-County, Missouri · implied b. ~1928 — 10 household members
| Surname | Shields |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Clay |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 Shields across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shields
Daughter · 1940 · age 12 · b. ~1928 · Missouri
★ You are viewing this record
Sibling
Jack Shields
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Shields
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sara Shields
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Shields
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katie Shields
Sibling · 1940 · age 10
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 — Clay-County, Missouri
Open full size
1940 US Federal Census — Clay-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02097-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cleve Pence | 50 | Head | Farmer | Missouri |
| 2 | Georgia D Pence | 45 | Wife | — | Missouri |
| 3 | Robert Pence | 22 | Son | Laborer | Missouri |
| 4 | Harold Pence | 15 | Son | — | Missouri |
| 5 | Wellard Pence | 10 | Son | — | Missouri |
| 6 | Alberta Pence | 66 | Mother | — | Missouri |
| 7 | Ernest H D Nickols | 39 | Head | Farmer | Minnesota |
| 8 | Norma Nickols | 30 | Wife | — | Missouri |
| 9 | Opal C Nickols | 8 | Daughter | — | Missouri |
| 10 | Patricia A Nickols | 4 | Daughter | — | Missouri |
| 11 | Ernest H Jr Nickols | 6 | Son | — | Missouri |
| 12 | Betty Ann Nickols | 1 | Daughter | — | Missouri |
| 13 | Bertha D Phillips | 58 | Head | — | Missouri |
| 14 | Donald C Phillips | 25 | Son | Manager | Missouri |
| 15 | Dora G Berry | 64 | Lodger | — | New York |
| 16 | A. D. D Martin | 65 | Head | — | Kentucky |
| 17 | Mattie M Martin | 59 | Wife | — | Missouri |
| 18 | Mary D Pissler | 51 | Head | — | Germany |
| 19 | Mary Pissler | 27 | Daughter | — | Missouri |
| 20 | Jack Pissler | 18 | Son | Laborer | Missouri |
| 21 | William D Pissler | 59 | Head | Farmer | Germany |
| 22 | Barbara Pissler | 50 | Sister | — | Germany |
| 23 | Katie Pissler | 48 | Sister | — | Germany |
| 24 | Theodore D Pissler | 54 | Head | Farmer | Germany |
| 25 | Theodore Jr Pissler | 14 | Son | — | Missouri |
| 26 | Ira D Trull | 48 | Head | Farmer | Minnesota |
| 27 | Tressie Trull | 39 | Wife | — | Minnesota |
| 28 | Virginia Trull | 14 | Daughter | — | Minnesota |
| 29 | Lavonne Trull | 6 | Daughter | — | Minnesota |
| 30 | Emmett Trull | 4 | Son | — | Minnesota |
| 31 | Oscar Shields | 50 | Head | — | Missouri |
| 32 | Mattie D Shields | 39 | Wife | — | Kansas |
| 33 | Daisy May Shields | 17 | Daughter | — | Missouri |
| 34 | Jack Shields | 15 | Son | New Worker | Missouri |
| 35 | William Shields | 13 | Son | — | Missouri |
| 36 | Mary Shields THIS PERSON | 12 | Daughter | — | Missouri |
| 37 | Katie Shields | 10 | Daughter | — | Missouri |
| 38 | Sara Jane Shields | 3 | Daughter | — | Missouri |
| 39 | Van Shields | 56 | Brother | Laborer | Missouri |
| 40 | James Shields | 20 | Nephew | Laborer | 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)