MW
Mary Wiley — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Mary Wiley across the 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 5-person household.
Age 12
b. ~1918
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Wiley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1918 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Wiley | Son | — | 14 | ~1916 |
| Harvey Wiley | Son | — | 45 | ~1885 |
| Mary Wiley | Daughter | — | 12 | ~1918 |
| Lois Wiley | Daughter | — | 19 | ~1911 |
| Anna Wiley | Head | — | 57 | ~1873 |
Census Appearances
1930
Polk, Iowa
Daughter, age 12
Polk, Iowa · implied b. ~1918 — 5 household members
| Surname | Wiley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Spouse, age 22
Polk-County, Iowa · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Willey |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Cashier |
| Industry | Retail Drug Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 860 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| 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 Wiley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wiley
Daughter · 1930 · age 12 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Lois Wiley
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Wiley
Sibling · 1930 · age 45
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Wiley
Sibling · 1930 · 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
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel677:0145)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Wiley | 57 | Head | Servant | Iowa |
| 2 | Lois Wiley | 19 | Daughter | Stenographer | Iowa |
| 3 | Charles Wiley | 14 | Son | None | Iowa |
| 4 | Mary Wiley THIS PERSON | 12 | Daughter | None | Iowa |
| 5 | Harvey Wiley | 45 | Son | Salesman | Iowa |
| 6 | — | None | — | — | — |
| 7 | — | None | — | — | — |
| 8 | — | None | — | — | — |
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| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)