MP
Mary Powers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Iowa
Our Model Tree links this Mary Powers across the 1930 and 1940 US Censuses in Crawford-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 11-person household.
Age 41
b. ~1899
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Iowa |
| Surname | Powers |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Ia |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Stockholm Twp |
| Est. Birth Year | ~1899 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Powers | Daughter | — | 5 | ~1935 |
| Joan Powers | Daughter | — | 10 | ~1930 |
| Rosalie Powers | Daughter | — | 2 | ~1938 |
| Sally Powers | Daughter | — | 11 | ~1929 |
| Jean Powers | Daughter | — | 7 | ~1933 |
| Kay Powers | Daughter | — | 3 | ~1937 |
| Leonard Powers | Head | — | 42 | ~1898 |
| Owen Childress | Other | — | 20 | ~1920 |
| Jack Powers | Son | — | 13 | ~1927 |
| George Powers | Son | — | 12 | ~1928 |
| Mary Powers | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Crawford, Iowa
Spouse, age 31
Crawford, Iowa · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 27 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Crawford-County, Iowa
Spouse, age 41
Crawford-County, Iowa · implied b. ~1899 — 11 household members
| Surname | Powers |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Crawford |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Ia |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Powers across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Powers
Spouse · 1940 · age 41 · b. ~1899 · 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 — Crawford-County, Iowa
Open full size
1940 US Federal Census — Crawford-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01152-00501)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry D. Liegner | 53 | Head | Operator | Iowa |
| 2 | Luciel Liegner | 45 | Wife | — | Iowa |
| 3 | James Liegner | 24 | Son | Laborer | Iowa |
| 4 | Bernadine Liegner | 19 | Daughter | Servant | Iowa |
| 5 | Betty Lou Liegner | 8 | Daughter | — | Iowa |
| 6 | Lloyd H. White | 41 | Head | Salesman | Iowa |
| 7 | Frances R. White | 40 | Wife | — | Iowa |
| 8 | Lloyd J. White | 7 | Son | — | Iowa |
| 9 | Charles White | 5 | Son | — | Iowa |
| 10 | Melvin Hickey | 35 | Pr. | Operator | Iowa |
| 11 | Rudolph Klink | 61 | Head | Operator | Germany |
| 12 | Emma Klink | 59 | Wife | — | Iowa |
| 13 | Walter Klink | 21 | Son | Laborer | Iowa |
| 14 | Harold Slechter | 23 | Head | Operator | Iowa |
| 15 | Audrey V. Slechter | 22 | Wife | — | Nebraska |
| 16 | Douglas Slechter | 2 | Son | — | Iowa |
| 17 | Carol Slechter | 0 | Daughter | — | Iowa |
| 18 | William Adams | 23 | Head | Operator | Iowa |
| 19 | Bernice R. Adams | 20 | Wife | Servant | Iowa |
| 20 | Leonard Powers | 42 | Head | Operator | Iowa |
| 21 | Mary R. Powers THIS PERSON | 41 | Wife | — | Iowa |
| 22 | Jack Powers | 13 | Son | — | Iowa |
| 23 | George Powers | 12 | Son | — | Iowa |
| 24 | Sally Lou Powers | 11 | Daughter | — | Iowa |
| 25 | Joan Powers | 10 | Daughter | — | Iowa |
| 26 | Jean Powers | 7 | Daughter | — | Iowa |
| 27 | Mary Carol Powers | 5 | Daughter | — | Iowa |
| 28 | Kay Powers | 3 | Daughter | — | Iowa |
| 29 | Rosalie Powers | 2 | Daughter | — | Iowa |
| 30 | Owen Childress | 20 | Hired man | Laborer | Iowa |
| 31 | Vernon Maak | 35 | Head | Operator | Iowa |
| 32 | Caroline Maak | 32 | Wife | — | Iowa |
| 33 | Marcella Maak | 2 | Daughter | — | Iowa |
| 34 | Arthur Maak | 44 | Head | Operator | Iowa |
| 35 | Amanda Maak | 39 | Wife | — | Iowa |
| 36 | Elmer Maak | 18 | Son | Laborer | Iowa |
| 37 | Viola Maak | 15 | Daughter | — | Iowa |
| 38 | C. H. Thonew | 60 | Head | Operator | Iowa |
| 39 | Alvina Thonew | 56 | Wife | — | Iowa |
| 40 | Vernie Thonew | 30 | Son | Operator-Partner | Iowa |
Related Census Records
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)