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Mary Mcconnell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Johnson-County, Missouri
Our Model Tree links this Mary Mcconnell across the 1920, 1930 and 1940 US Censuses in Johnson-County, Missouri (XGBoost, ~Confirmed), with identified parents Rollie & Mable — first a daughter (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Missouri |
| Surname | McConnell |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Warrensburg |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Myrtle Mcconnell | Spouse | — | 49 | ~1891 |
| Mary Mcconnell | Daughter | — | 26 | ~1914 |
| C Hammrich | Other | — | 42 | ~1898 |
| Jewell Raker | Other | — | 20 | ~1920 |
| Rolla Mcconnell | Head | — | 62 | ~1878 |
Census Appearances
1920
Johnson, Missouri
Daughter, age 6
Johnson, Missouri · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Johnson, Missouri
Daughter, age 16
Johnson, Missouri · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| 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
Johnson-County, Missouri
Daughter, age 26
Johnson-County, Missouri · implied b. ~1914 — 5 household members
| Surname | McConnell |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Johnson |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Mcconnell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Rollie Mcconnell (~0.92 confidence) and mother Mable Mcconnell (~0.92 confidence) and mother Myrtle Mcconnell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Rollie Mcconnell
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mable Mcconnell
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Myrtle Mcconnell
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mcconnell
Daughter · 1940 · age 26 · b. ~1914 · Missouri
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Johnson-County, Missouri
Open full size
1940 US Federal Census — Johnson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02120-00493)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia E. Luetzow | 39 | Wife | — | Missouri |
| 2 | Herman H. Jr. Luetzow | 17 | Son | — | Missouri |
| 3 | I. W. Wilson | 75 | Head | Farmer | Illinois |
| 4 | Kate Wilson | 71 | Wife | — | Iowa |
| 5 | James R. Garrison | 32 | Head | Lawyer | Oklahoma |
| 6 | Mary Lee Garrison | 28 | Wife | — | Missouri |
| 7 | James R. Jr. Garrison | 3 | Son | — | Missouri |
| 8 | Faye T. Stiles | 48 | Sister-in-law | Accountant | Missouri |
| 9 | Le Roy Sunberry | 20 | Lodger | — | Nebraska |
| 10 | Henry J. Smith | 22 | Lodger | — | Montana |
| 11 | William R. Meyer | 23 | Lodger | — | Indiana |
| 12 | Thomas Frank Kenney | 21 | Lodger | — | Iowa |
| 13 | Harold Lee Maliavat | 25 | Lodger | — | Indiana |
| 14 | Charles Elliott | 21 | Lodger | — | Missouri |
| 15 | John Ettinger | 21 | Lodger | — | Missouri |
| 16 | Frances Duncan | 58 | Head | — | Missouri |
| 17 | Mary Duncan | 58 | Sister | — | Missouri |
| 18 | Kate Hern | 39 | Lodger | — | Missouri |
| 19 | Ozelle Wagoner | 18 | Lodger | — | Missouri |
| 20 | Louise Lindmark | 17 | Lodger | — | Missouri |
| 21 | Bernice Suggs | 17 | Lodger | — | Missouri |
| 22 | Mary Jane Charles | 18 | Lodger | — | Missouri |
| 23 | Doris Grigsby | 18 | Lodger | — | Kansas |
| 24 | Lenora Hessel | 30 | Lodger | Supervisor | Missouri |
| 25 | E. T. Tracey | 84 | Head | Retired | Missouri |
| 26 | Mary L. Tracey | 81 | Wife | — | Missouri |
| 27 | Homer Brismeyer | 24 | Lodger | — | Missouri |
| 28 | Camilla Caldwell | 85 | Head | — | Missouri |
| 29 | J. R. Craigging | 17 | Nephew | — | Missouri |
| 30 | Belle Ross | 72 | Head | — | Tennessee |
| 31 | Emma Katherine Foster | 67 | Sister | — | Tennessee |
| 32 | L. L. Des Combes | 50 | Head | Owner | Missouri |
| 33 | Katherine Des Combes | 52 | Wife | — | Missouri |
| 34 | Rolla Mcconnell | 62 | Head | — | Missouri |
| 35 | Myrtle Mcconnell | 49 | Wife | — | Missouri |
| 36 | Mary Sue Mcconnell THIS PERSON | 26 | Daughter | — | Missouri |
| 37 | C. S. Hammrich | 42 | Lodger | 28 | Missouri |
| 38 | Jewell Raker | 20 | Lodger | 42 | Missouri |
| 39 | Charlotte Dimand | 45 | Head | — | Pennsylvania |
| 40 | Maxine Dimand | 19 | Daughter | — | Missouri |
Pedigree Summary
Mary
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)