MW
Mary Waters — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Adams, Iowa
Our Model Tree links this Mary Waters across the 1920 and 1930 US Censuses in Adams, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 11-person household.
Age 10
b. ~1920
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Adams, Iowa |
| Surname | Waters |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1920 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lois Waters | Daughter | — | 18 | ~1912 |
| Patricia Waters | Daughter | — | 9 | ~1921 |
| Helene Waters | Daughter | — | 7 | ~1923 |
| Mary Waters | Daughter | — | 10 | ~1920 |
| Bertha Waters | Daughter | — | 20 | ~1910 |
| Leo Waters | Head | — | 54 | ~1876 |
| Ellen Waters | Other | — | 46 | ~1884 |
| Harold Waters | Son | — | 22 | ~1908 |
| Robert Waters | Son | — | 26 | ~1904 |
| Lewis Waters | Son | — | 14 | ~1916 |
| Noel Waters | Son | — | 17 | ~1913 |
Census Appearances
1920
Adams, Iowa
Daughter, age
Adams, Iowa · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Waters |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Adams, Iowa
Daughter, age 10
Adams, Iowa · implied b. ~1920 — 11 household members
| Surname | Waters |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| 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 Waters across 2 US Census years (1920 and 1930) in Adams, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Waters
Daughter · 1930 · age 10 · b. ~1920 · Iowa
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Sibling
Lois Waters
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helene Waters
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Waters
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Waters
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Noel Waters
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Waters
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Waters
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Waters
Sibling · 1930 · age 9
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 — Adams, Iowa
Open full size
1930 US Federal Census — Adams, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel640:0789)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph E. Nichols | 33 | Head | Farmer | Illinois |
| 2 | Lillie M. Nichols | 33 | Wife-H | — | Iowa |
| 3 | Rita M. Nichols | 8 | Daughter | — | Iowa |
| 4 | Thomas T. Waters | 72 | Head | Farmer | Illinois |
| 5 | Anna B. Waters | 64 | Wife-H | — | Ireland |
| 6 | Michael Mckenna | 61 | Hired Hand | Farm Laborer | Iowa |
| 7 | Leo F. Waters | 54 | Head | Farmer | Iowa |
| 8 | Ellen M. Waters | 46 | Wife-H | — | Iowa |
| 9 | Robert A. Waters | 26 | Son | Farm Laborer | Iowa |
| 10 | Harold S. Waters | 22 | Son | Farm Laborer | Iowa |
| 11 | Bertha C. Waters | 20 | Daughter | Teacher | Iowa |
| 12 | Lois F. Waters | 18 | Daughter | Teacher | Iowa |
| 13 | Noel P. Waters | 17 | Son | — | Iowa |
| 14 | Lewis L. Waters | 14 | Son | — | Iowa |
| 15 | Mary M. Waters THIS PERSON | 10 | Daughter | — | Iowa |
| 16 | Patricia M. Waters | 9 | Daughter | — | Iowa |
| 17 | Helene A. Waters | 7 | Daughter | — | Iowa |
| 18 | Ernest L. Bonaw | 26 | Head | Farm Laborer | Minnesota |
| 19 | Alma Bonaw | 25 | Wife-H | — | Minnesota |
| 20 | Will I. Deere | 31 | Head | Farmer | Iowa |
| 21 | Velma M. Deere | 30 | Wife-H | — | Iowa |
| 22 | Adelyn W. Deere | 10 | Daughter | — | Iowa |
| 23 | Don W. Deere | 8 | Son | — | Iowa |
| 24 | Oliver W. Deere | 53 | Head | Farmer | Iowa |
| 25 | Emilie M. Deere | 46 | Wife-H | — | Kansas |
| 26 | William W. Deere | 20 | Son | Farm Laborer | Montana |
| 27 | William R. Deere | 13 | Son | — | Iowa |
| 28 | Loraine A. Deere | 8 | Daughter | — | Iowa |
| 29 | Marcheta A. Deere | 5 | Daughter | — | Iowa |
| 30 | Helen L. Behmond | 17 | Servant | Servant | Iowa |
| 31 | Nell Currigan | 54 | Head-H.K. | — | Iowa |
| 32 | Blanche M. Morse | 13 | Niece | — | Iowa |
| 33 | Peter W. Monsted | 39 | Boarder | Farm Laborer | Denmark |
| 34 | Benjamin J. Fee | 51 | Head | Farmer | Iowa |
| 35 | Bertha M. Fee | 50 | Wife-H | — | Nebraska |
| 36 | Virgil G. Fee | 16 | Son | — | Iowa |
| 37 | Imylla C. Fee | 12 | Daughter | — | Iowa |
| 38 | Spray H. Fee | 28 | Head | Farmer | Iowa |
| 39 | Gladys L. Fee | 23 | Wife-H | — | Iowa |
| 40 | Vernon E. Carr | 25 | Head | Farmer | Iowa |
| 41 | Alma M. Carr | 20 | Wife-H | — | North Dakota |
| 42 | Marlene J. Carr | 0 | Son | — | Iowa |
| 43 | Linn E. Boswell | 36 | Head | Farmer | Iowa |
| 44 | Bessie E. Boswell | 31 | Wife-H | — | Iowa |
| 45 | Harold E. Boswell | 8 | Son | — | Iowa |
| 46 | Otis M. Abbey | 59 | Head | Farmer | Iowa |
| 47 | Oriessa D. Abbey | 58 | Wife-H | — | Iowa |
| 48 | Kenneth O. Abbey | 20 | Son | Farm Laborer | Iowa |
| 49 | Velva A. Abbey | 11 | Daughter | — | Iowa |
| 50 | Joseph Cruise | 53 | Head | Farmer | Iowa |
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)