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Mary Mcconnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dade-County, Missouri
Our Model Tree links this Mary Mcconnell across the 1930 and 1940 US Censuses in Dade-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dade-County, Missouri |
| Surname | McConnell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Sac Twp |
| 1935 Residence (County) | Dade |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Sac Twp |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Mcconnell | Daughter | — | 18 | ~1922 |
| Juanita Mcconnell | Daughter | — | 16 | ~1924 |
| Eugene Mcconnell | Son | — | 14 | ~1926 |
| Mary Mcconnell | Daughter | — | 20 | ~1920 |
| J Mcconnell | Head | — | 54 | ~1886 |
| Madge Mcconnell | Spouse | — | 53 | ~1887 |
| Lucille Mcconnell | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Dade, Missouri
Daughter, age 10
Dade, Missouri · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Dade-County, Missouri
Daughter, age 20
Dade-County, Missouri · implied b. ~1920 — 7 household members
| Surname | McConnell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Sac Twp |
| 1935 Residence (County) | Dade |
| Highest Grade | Hs 4 |
| 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 Mcconnell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcconnell
Daughter · 1940 · age 20 · b. ~1920 · Missouri
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Sibling
Marguerite Mcconnell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Mcconnell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Mcconnell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Mcconnell
Sibling · 1940 · age 14
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 — Dade-County, Missouri
Open full size
1940 US Federal Census — Dade-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02101-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James T. Dill | 63 | Head | Common Labor | Missouri |
| 2 | Myrtle Dill | 56 | Wife | — | Missouri |
| 3 | Herschel Dill | 13 | Son | — | Missouri |
| 4 | K. D. Hull | 56 | Head | Farmer | Missouri |
| 5 | Mae Hull | 56 | Wife | — | Missouri |
| 6 | Euel Hull | 24 | Son | Farmer | Missouri |
| 7 | Ray Bill Hull | 17 | Son | — | Missouri |
| 8 | Arleen Hull | 15 | Daughter | — | Missouri |
| 9 | Joe Thomas Hull | 12 | Son | — | Missouri |
| 10 | E. D. Bennett | 58 | Head | Farmer | Missouri |
| 11 | Sytha Bennett | 33 | Wife | — | Missouri |
| 12 | Troy Bennett | 25 | Son | Common Labor | Missouri |
| 13 | Everett Bennett | 20 | Son | Farm Hand | Missouri |
| 14 | Ernest Bennett | 16 | Son | Farm Hand | Missouri |
| 15 | Cloyd Bennett | 29 | Head | Pump Operator | Missouri |
| 16 | Cora Bennett | 28 | Wife | — | Missouri |
| 17 | Howard Bennett | 8 | Son | — | Missouri |
| 18 | Jewell Bennett | 3 | Daughter | — | Missouri |
| 19 | Wanda Faye Bennett | 1 | Daughter | — | Missouri |
| 20 | J. Arthur Mcconnell | 54 | Head | Farmer | Missouri |
| 21 | Madge Mcconnell | 53 | Wife | — | Missouri |
| 22 | Mary Mcconnell THIS PERSON | 20 | Daughter | — | Missouri |
| 23 | Marguerite Mcconnell | 18 | Daughter | — | Missouri |
| 24 | Juanita Mcconnell | 16 | Daughter | — | Missouri |
| 25 | Eugene Mcconnell | 14 | Son | — | Missouri |
| 26 | Lucille Mcconnell | 11 | Daughter | — | Missouri |
| 27 | W. E. Pyle | 67 | Head | — | Missouri |
| 28 | Clara Pyle | 61 | Wife | — | Missouri |
| 29 | Pearl Pyle | 40 | Daughter | — | Missouri |
| 30 | Frank Porterfield | 64 | Head | Farmer | Illinois |
| 31 | Eva Porterfield | 57 | Wife | — | Missouri |
| 32 | Zina Porterfield | 35 | Daughter | Housekeeper | Missouri |
| 33 | John Porterfield | 32 | Son | Hired Man | Missouri |
| 34 | Homer Porterfield | 24 | Son | Operator | Missouri |
| 35 | Ruth Porterfield | 17 | Daughter | — | Missouri |
| 36 | Margaret Friar | 88 | Head | — | Tennessee |
| 37 | J. H. Jennings | 35 | Head | Merchant | Missouri |
| 38 | Alice Jennings | 30 | Wife | — | Missouri |
| 39 | Cleat Jennings | 14 | Daughter | — | California |
| 40 | Glenn Jennings | 10 | Son | — | California |
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)