MP
Mary Powell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Johnson-County, Missouri
Our Model Tree links this Mary Powell across the 1920, 1930 and 1940 US Censuses in Johnson-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 3-person household.
Age 68
b. ~1872
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Missouri |
| Surname | Powell |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Knob Noster city |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Knob Noster City |
| Est. Birth Year | ~1872 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Powell | Head | — | 69 | ~1871 |
| Floyd Powell | Son | — | 46 | ~1894 |
| Mary Powell | Spouse | — | 68 | ~1872 |
Census Appearances
1920
Johnson, Missouri
Spouse, age 48
Johnson, Missouri · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powell |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | servant |
| Industry | private family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Johnson, Missouri
Other, age 57
Johnson, Missouri · implied b. ~1873
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Powell |
| Given Name | Mary E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 24 |
| 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
Spouse, age 68
Johnson-County, Missouri · implied b. ~1872 — 3 household members
| Surname | Powell |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Knob Noster city |
| 1935 Residence (County) | Johnson |
| Highest Grade | No 5 |
| 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 Powell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Powell
Spouse · 1940 · age 68 · b. ~1872 · Missouri
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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-t0627-02120-00631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lee F. Shipley | 25 | Head | Teacher | Missouri |
| 2 | Deloris E. Shipley | 21 | Wife | Teacher | Missouri |
| 3 | Wanda L. Shipley | 2 | Daughter | — | Missouri |
| 4 | John Graves | 91 | Head | — | So. Carolina |
| 5 | Demosthenes Powell | 60 | Lodger | Common Laborer | Missouri |
| 6 | Sallie M. Caldwell | 78 | Head | — | Virginia |
| 7 | Aneta Brown | 37 | Daughter | Laundress | Kansas |
| 8 | Richard Washington | 65 | Head | Loading Rock | Missouri |
| 9 | William Powell | 69 | Head | Farm Hand | Missouri |
| 10 | Mary E. Powell THIS PERSON | 68 | Wife | — | Missouri |
| 11 | Floyd Powell | 46 | Son | Laborer Rock Crusher | Missouri |
| 12 | Edith B. Sandridge | 41 | Head | Laundress | Kansas |
| 13 | Fay E. Sandridge | 15 | Daughter | — | Oklahoma |
| 14 | Linnie M. Baldridge | 9 | Grand-daughter | — | Missouri |
| 15 | Carl Byrd | 40 | Head | Laborer Rock Crusher | Missouri |
| 16 | Genevieve Byrd | 34 | Wife | — | Missouri |
| 17 | Virginia Byrd | 13 | Daughter | — | Missouri |
| 18 | Carl Jr. Byrd | 11 | Son | — | Missouri |
| 19 | Flossie M. Byrd | 4 | Daughter | — | Missouri |
| 20 | Carlene Byrd | 3 | Daughter | — | Missouri |
| 21 | Geraldine Byrd | 1 | Daughter | — | Missouri |
| 22 | Maezell Campbell | 30 | Head | Laborer Truck Driver | Missouri |
| 23 | Ruth Campbell | 35 | Wife | — | Missouri |
| 24 | Franklin Powell | 14 | Son | — | Missouri |
| 25 | Anise Hedrick | 70 | Head | — | Iowa |
| 26 | Mary S. Covey | 57 | Head | — | Missouri |
| 27 | X. Lee Campbell | 60 | Head | Mail Messenger | Missouri |
| 28 | Ruth Campbell | 46 | Wife | — | Missouri |
| 29 | Ruby F. Brammer | 46 | Head | Patrolman | Missouri |
| 30 | Viola M. Brammer | 39 | Wife | — | Colorado |
| 31 | George F. Brammer | 22 | Son | Delivery Boy | Missouri |
| 32 | William E. Brammer | 12 | Son | — | Kansas |
| 33 | Roy B. Mayes | 61 | Head | Farmer | Missouri |
| 34 | Mary M. Mayes | 52 | Wife | — | Missouri |
| 35 | Herman C. Seley | 23 | Head | Truck Driver | Missouri |
| 36 | Mamie Seley | 24 | Wife | — | Missouri |
| 37 | Yvonne Seley | 1 | Daughter | — | Missouri |
| 38 | J. Fred Brendel | 48 | Head | Sexton | Missouri |
| 39 | Zella Brendel | 33 | Wife | — | No. Dakota |
| 40 | Robert Brendel | 11 | Son | — | Montana |
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)