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Grace Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Woodbury, Iowa
Our Model Tree links this Grace Davis across the 1930 and 1940 US Censuses in Woodbury, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 26-person household.
Age 4
b. ~1926
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Woodbury, Iowa |
| Surname | Davis |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Liberty Township |
| Est. Birth Year | ~1926 |
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.
26 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Grace Davis | Daughter | — | 4 | ~1926 |
| Elizabeth Davis | Daughter | — | 7 | ~1923 |
| Nora Davis | Daughter | — | ~1930 | |
| Adeline Howard | Daughter | — | 3 | ~1927 |
| Phyllis Howard | Daughter | — | 8 | ~1922 |
| Ellis Howard | Head | — | 32 | ~1898 |
| Sanford Davis | Other | — | 31 | ~1899 |
| Lewis Dofale | Other | — | 63 | ~1867 |
| Grace Bappe | Other | — | 22 | ~1908 |
| Elmer Larson | Other | — | 46 | ~1884 |
| Jay Sturdivant | Other | — | 19 | ~1911 |
| Emma Dofale | Other | — | 33 | ~1897 |
| Charles Davis | Other | — | 23 | ~1907 |
| Walter Pates | Other | — | 20 | ~1910 |
| William Dofale | Other | — | 36 | ~1894 |
| Robert Bappe | Other | — | 32 | ~1898 |
| Gertrude Howard | Other | — | 28 | ~1902 |
| Christine Dofale | Other | — | 60 | ~1870 |
| Stella Davis | Other | — | 26 | ~1904 |
| Frank Burquet | Other | — | 37 | ~1893 |
| William Davis | Son | — | 5 | ~1925 |
| Lillian Davis | Son | — | 1 | ~1929 |
| Bennett Howard | Son | — | 6 | ~1924 |
| Robert Howard | Son | — | 1 | ~1929 |
| Jacob Davis | Son | — | 1 | ~1929 |
| Wayne Howard | Son | — | 10 | ~1920 |
Census Appearances
1930
Woodbury, Iowa
Daughter, age 4
Woodbury, Iowa · implied b. ~1926 — 26 household members
| Surname | Davis |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Daughter, age 13
Woodbury-County, Iowa · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Geraldine F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Monona |
| Highest Grade | No 6 |
| 1935 Residence | R |
| 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 Grace Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Davis
Daughter · 1930 · age 4 · b. ~1926 · Iowa
★ You are viewing this record
Sibling
Adeline Howard
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Howard
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Davis
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Davis
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bennett Howard
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Howard
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Davis
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacob Davis
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Howard
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Davis
Sibling · 1930 · age 5
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 — Woodbury, Iowa
Open full size
1930 US Federal Census — Woodbury, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel689:0084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Simmons | 47 | Head | Farmer | Iowa |
| 2 | Brighty Julia Simmons | 48 | Servant | — | Illinois |
| 3 | Potter Millie Simmons | 82 | Boarder | — | New York |
| 4 | Selden Conway | 46 | Head | Farmer | Iowa |
| 5 | Rosana Conway | 43 | Wife-H | — | Iowa |
| 6 | Joseph A. Conway | 20 | Son | — | Iowa |
| 7 | Ruth A. Conway | 13 | Daughter | — | Iowa |
| 8 | Doyle Elder | 26 | Head | Laborer | Missouri |
| 9 | Mazella Elder | 22 | Wife-H | — | Iowa |
| 10 | Manda Elder | 5 | Daughter | — | Iowa |
| 11 | Joseph Moiseyne | 61 | Head | Farmer | England |
| 12 | Elizabeth Moiseyne | 58 | Wife-H | — | England |
| 13 | George Moiseyne | 33 | Son | — | England |
| 14 | George Widerman | 54 | Head | Farmer | Germany |
| 15 | Rosie Widerman | 39 | Wife-H | — | Iowa |
| 16 | Fritz Widerman | 8 | Son | — | Iowa |
| 17 | Hilda Widerman | 4 | Daughter | — | Iowa |
| 18 | Glenn Widerman | 2 | Son | — | Iowa |
| 19 | Thomas Hoffman | 42 | Brother-in-law | Laborer | Iowa |
| 20 | James Depugh | 69 | Head-H | — | New York |
| 21 | Edith Depugh | 30 | Daughter | — | Iowa |
| 22 | Harvey Horton | 72 | Brother | — | New York |
| 23 | Edward Miller | 57 | Head | Farmer | Missouri |
| 24 | Mabel Miller | 50 | Wife-H | — | Michigan |
| 25 | Ellis Howard | 32 | Head | Farmer | Iowa |
| 26 | Gertrude Howard | 28 | Wife-H | — | Iowa |
| 27 | Wayne Howard | 10 | Son | — | Iowa |
| 28 | Phyllis Howard | 8 | Daughter | — | Iowa |
| 29 | Bennett Howard | 6 | Son | — | Iowa |
| 30 | Adeline Howard | 3 | Daughter | — | Iowa |
| 31 | Robert Howard | 1 | Son | — | Iowa |
| 32 | Frank Burquet | 37 | Boarder | Laborer | Iowa |
| 33 | Lewis Dofale | 63 | O | Farmer | Germany |
| 34 | Christine Dofale | 60 | Wife-H | — | Germany |
| 35 | William Dofale | 36 | R | Laborer | Iowa |
| 36 | Emma Dofale | 33 | Wife-H | — | Iowa |
| 37 | Elmer Larson | 46 | Boarder | Laborer | Denmark |
| 38 | Robert Bappe | 32 | R | Farmer | Iowa |
| 39 | Grace Bappe | 22 | Wife-H | — | Iowa |
| 40 | Charles Davis | 23 | Boarder | Laborer | Iowa |
| 41 | Jay Sturdivant | 19 | Boarder | Laborer | Iowa |
| 42 | Sanford Davis | 31 | R | Farmer | Indiana |
| 43 | Stella Davis | 26 | Wife-H | — | Iowa |
| 44 | Elizabeth Davis | 7 | Daughter | — | Iowa |
| 45 | William Davis | 5 | Son | — | Iowa |
| 46 | Grace Davis THIS PERSON | 4 | Daughter | — | Iowa |
| 47 | Jacob Davis | 1 | Son | — | Iowa |
| 48 | Lillian Davis | 1 | Son | — | Iowa |
| 49 | Nora Davis | 0 | Daughter | — | Iowa |
| 50 | Walter Pates | 20 | Boarder | Laborer | 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)