RF
Robert Frank — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Washington, Iowa
Our Model Tree links this Robert Frank across the 1930 and 1940 US Censuses in Washington, Iowa (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 26-person household.
Age 11
b. ~1919
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, Iowa |
| Surname | Frank |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 | Iowa Township |
| Est. Birth Year | ~1919 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Rudolph Simon | Son | — | 21 | ~1909 |
| Freda Frank | Daughter | — | 9 | ~1921 |
| Frank Simon | Other | — | 58 | ~1872 |
| Rose Jardon | Spouse | — | 49 | ~1881 |
| Wilhelmina Simon | Spouse | — | 56 | ~1874 |
| Velma Simon | Spouse | — | 24 | ~1906 |
| John Krebs | Other | — | 63 | ~1867 |
| Zelda Frank | Daughter | — | 14 | ~1916 |
| Verna Lancy | Daughter | — | 15 | ~1915 |
| Thomas John | Other | — | 62 | ~1868 |
| Velma Jardon | Daughter | — | 21 | ~1909 |
| Ferdinand Simon | Other | — | 31 | ~1899 |
| Anita Frank | Daughter | — | 7 | ~1923 |
| Robert Frank | Son | — | 11 | ~1919 |
| Paul Frank | Son | — | 4 | ~1926 |
| Gottlieb Krebs | Other | — | 57 | ~1873 |
| Richard Krebs | Son | — | 16 | ~1914 |
| Joseph Lancy | Other | — | 48 | ~1882 |
| Frederick Frank | Head | — | 42 | ~1888 |
| Patrick Dean | Other | — | 56 | ~1874 |
| Ceola Frank | Daughter | — | 13 | ~1917 |
| Mary Krebs | Spouse | — | 56 | ~1874 |
| Charles Dean | Other | — | 59 | ~1871 |
| Leona Frank | Spouse | — | 36 | ~1894 |
| Emma Lancy | Spouse | — | 36 | ~1894 |
| Nicholas Jardon | Other | — | 56 | ~1874 |
Census Appearances
1930
Washington, Iowa
Son, age 11
Washington, Iowa · implied b. ~1919 — 26 household members
| Surname | Frank |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 |
1940
Washington-County, Iowa
Son, age 20
Washington-County, Iowa · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Franke |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (County) | Washington |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Robert Frank across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Frank
Son · 1930 · age 11 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Ceola Frank
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rudolph Simon
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freda Frank
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Frank
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zelda Frank
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Krebs
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Frank
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Jardon
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Lancy
Sibling · 1930 · age 15
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 — Washington, Iowa
Open full size
1930 US Federal Census — Washington, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel687:0175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elizabeth Motley | 16 | Daughter | — | Kentucky |
| 52 | Nellie Motley | 9 | Son | — | Iowa |
| 53 | Dorothy J. Motley | 2 | Daughter | — | Iowa |
| 54 | Frank B. Florang | 56 | Head | Farmer | Iowa |
| 55 | Margaret Florang | 55 | Wife | — | Iowa |
| 56 | Amelia C. Florang | 16 | Daughter | — | Iowa |
| 57 | Margaret F. Florang | 15 | Daughter | — | Iowa |
| 58 | Ellen E. Florang | 13 | Daughter | — | Iowa |
| 59 | Mary D. Florang | 12 | Daughter | — | Iowa |
| 60 | Francis E. Florang | 8 | Son | — | Iowa |
| 61 | Gilbert W. Duna | 43 | Head | Farmer | Iowa |
| 62 | Jetta A. Duna | 42 | Wife | — | Iowa |
| 63 | Bernice G. Duna | 19 | Daughter | Helper | Iowa |
| 64 | Eulalia G. Duna | 16 | Daughter | — | Iowa |
| 65 | Mildred C. Duna | 14 | Daughter | — | Iowa |
| 66 | Robert L. Duna | 12 | Son | — | Iowa |
| 67 | Melvin F. Duna | 9 | Son | — | Iowa |
| 68 | Lamont J. Duna | 7 | Son | — | Iowa |
| 69 | Leroy M. Duna | 7 | Son | — | Iowa |
| 70 | Edward W. Duna | 4 | Son | — | Iowa |
| 71 | Mary A. Busel | 66 | Head | — | Iowa |
| 72 | Samuel H. Busel | 65 | Husband | Laborer | Iowa |
| 73 | Rose Lena Busel | 62 | Sister | — | Iowa |
| 74 | Frank S. Busel | 67 | Brother | — | Iowa |
| 75 | Frederick J. Frank | 42 | Head | Farmer | Iowa |
| 76 | Leona L. Frank | 36 | Wife | — | Iowa |
| 77 | Zelda H. Frank | 14 | Daughter | — | Iowa |
| 78 | Ceola M. Frank | 13 | Daughter | — | Iowa |
| 79 | Robert J. Frank THIS PERSON | 11 | Son | — | Iowa |
| 80 | Freda M. Frank | 9 | Daughter | — | Iowa |
| 81 | Anita Frank | 7 | Daughter | — | Iowa |
| 82 | Paul F. Frank | 4 | Son | — | Iowa |
| 83 | Charles Dean | 59 | O | Farming | Iowa |
| 84 | Patrick Dean | 56 | Brother | Farmer | Iowa |
| 85 | Thomas John | 62 | Lodger | Laborer | Iowa |
| 86 | Frank Simon | 58 | O | Farmer | Germany |
| 87 | Wilhelmina C. Simon | 56 | Wife | — | Germany |
| 88 | Rudolph J. Simon | 21 | Son | Laborer | Iowa |
| 89 | Nicholas G. Jardon | 56 | R | Farmer | Iowa |
| 90 | Rose Jardon | 49 | Wife | — | Iowa |
| 91 | Velma C. Jardon | 21 | Daughter | Teacher | Iowa |
| 92 | Joseph W. Lancy | 48 | O | Farmer | Iowa |
| 93 | Emma E. Lancy | 36 | Wife | — | Iowa |
| 94 | Verna E. Lancy | 15 | Daughter | — | Iowa |
| 95 | John Krebs | 63 | O | Farmer | Iowa |
| 96 | Gottlieb Krebs | 57 | O | Farmer | Iowa |
| 97 | Mary Krebs | 56 | Wife | — | Iowa |
| 98 | Richard C. Krebs | 16 | Son | Laborer | Iowa |
| 99 | Ferdinand A. Simon | 31 | R | Farmer | Iowa |
| 100 | Velma G. Simon | 24 | Wife | — | 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)