MO
Mary Owens — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, Iowa
Our Model Tree links this Mary Owens across the 1920, 1930 and 1940 US Censuses in Monroe-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 3-person household.
Age 49
b. ~1891
Female
Spouse
Born: Wales
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, Iowa |
| Surname | Owens |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Albia |
| 1935 Residence (County) | Monroe |
| Naturalization Status | First papers filed |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | Albia |
| Est. Birth Year | ~1891 |
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 |
|---|---|---|---|---|
| Owen Owens | Head | — | 61 | ~1879 |
| Ralph Owens | Son | — | 21 | ~1919 |
| Mary Owens | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Marion, Iowa
Spouse, age 29
Marion, Iowa · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Owens |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Wales |
| Father's Birthplace | England |
| Mother's Birthplace | Wales |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
Marion, Iowa
Other, age 40
Marion, Iowa · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Owens |
| Given Name | Mary A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Alien |
| Year of Immigration | 1900 |
| Age at First Marriage | 22 |
| Father's Birthplace | English |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Monroe-County, Iowa
Spouse, age 49
Monroe-County, Iowa · implied b. ~1891 — 3 household members
| Surname | Owens |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Albia |
| 1935 Residence (County) | Monroe |
| Naturalization Status | First papers filed |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Owens across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Owens
Spouse · 1940 · age 49 · b. ~1891 · Iowa
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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 — Monroe-County, Iowa
Open full size
1940 US Federal Census — Monroe-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01184-00767)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emmet G. Greaves | 40 | Head | — | Iowa |
| 2 | Sanford John Greaves | 42 | Brother | — | Iowa |
| 3 | Elizabeth Cassens | 76 | Lodger | — | Ohio |
| 4 | Walter Weatherstone | 36 | Head | Miner | Iowa |
| 5 | Katherine Weatherstone | 29 | Wife | — | Iowa |
| 6 | James Nickel | 72 | Head | Retired | Iowa |
| 7 | Emma J. Nickel | 70 | Wife | — | Iowa |
| 8 | Joe W. Heimann | 50 | Head | Line Man | Missouri |
| 9 | Mary J. Heimann | 48 | Wife | — | Illinois |
| 10 | Carl Deraad | 39 | Head | Lab-P.A. | Iowa |
| 11 | Goldie Deraad | 35 | Wife | — | Oklahoma |
| 12 | Emma E. Maining | 68 | Head | House | Kansas |
| 13 | Sherman Murphy | 72 | Brother | — | Illinois |
| 14 | Owen F. Owens | 61 | Head | Oil Station | Wales |
| 15 | Mary A. Owens THIS PERSON | 49 | Wife | — | Wales |
| 16 | Ralph J. Owens | 21 | Son | — | Iowa |
| 17 | Russell H. Schwalder | 26 | Head | Engineer | Iowa |
| 18 | Mildred Schwalder | 21 | Wife | — | Iowa |
| 19 | Wayne R. Schwalder | 1 | Son | — | Iowa |
| 20 | Leonard H. Brewers | 42 | Head | Time Keeper | Iowa |
| 21 | Lena S. Brewers | 36 | Wife | — | Iowa |
| 22 | Harold H. Brewers | 14 | Son | — | Iowa |
| 23 | Germaine F. Brewers | 12 | Daughter | — | Iowa |
| 24 | Celia H. Brewers | 9 | Daughter | — | Iowa |
| 25 | Velda A. Brewers | 7 | Daughter | — | Iowa |
| 26 | Donna J. Brewers | 4 | Daughter | — | Iowa |
| 27 | Leo F. Brewers | 1 | Son | — | Iowa |
| 28 | Durward E. Jones | 37 | Head | Teacher | Iowa |
| 29 | Anna K. Jones | 40 | Wife | — | Iowa |
| 30 | Paul D. Jones | 12 | Son | — | Iowa |
| 31 | Keith H. Jones | 9 | Son | — | Iowa |
| 32 | Bradley D. Jones | 2 | Son | — | Iowa |
| 33 | Max Yohe | 49 | Head | Coal Driller | Iowa |
| 34 | Jessie M. Yohe | 50 | Wife | — | Iowa |
| 35 | Dorothy J. Yohe | 24 | Daughter | Stenographer | Iowa |
| 36 | Virginia M. Yohe | 18 | Daughter | Typing | Iowa |
| 37 | Robert E. Yohe | 14 | Son | — | Iowa |
| 38 | Clifford H. Spinks | 41 | Head | Plasterer | Iowa |
| 39 | Elsie M. Spinks | 44 | Wife | — | Iowa |
| 40 | Jack S. Spinks | 19 | Son | Construction | Iowa |
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)