IC
Ida Cook — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pottawattamie, Iowa
Our Model Tree links this Ida Cook across the 1930 and 1940 US Censuses in Pottawattamie, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 5
b. ~1925
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pottawattamie, Iowa |
| Surname | Cook |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Neola Village Part Of |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Ida Cook | Daughter | — | 5 | ~1925 |
| Virgil Cook | Son | — | 9 | ~1921 |
| George Cook | Son | — | 7 | ~1923 |
| Frank Cook | Head | — | 33 | ~1897 |
| Loraine Cook | Daughter | — | 4 | ~1926 |
| Julia Cook | Spouse | — | 32 | ~1898 |
| Daniel Cook | Son | — | 1 | ~1929 |
| Pershing Cook | Son | — | 11 | ~1919 |
Census Appearances
1930
Pottawattamie, Iowa
Daughter, age 5
Pottawattamie, Iowa · implied b. ~1925 — 8 household members
| Surname | Cook |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pottawattamie-County, Iowa
Daughter, age 15
Pottawattamie-County, Iowa · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Iona |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Neola town |
| 1935 Residence (County) | Pottawattamie |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 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 Ida Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Cook
Daughter · 1930 · age 5 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
George Cook
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgil Cook
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pershing Cook
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loraine Cook
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Cook
Sibling · 1930 · age 1
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 — Pottawattamie, Iowa
Open full size
1930 US Federal Census — Pottawattamie, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel678:0931)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Hannifan | 38 | Son | Salesman | Iowa |
| 52 | Colletta Hannifan | 15 | Daughter | — | Iowa |
| 53 | Celesta Hannifan | 13 | Daughter | — | Iowa |
| 54 | Margaret Robin | 21 | Boarder | Teacher | South Dakota |
| 55 | John F. Brakerall | 53 | Head | Truck Driver | Illinois |
| 56 | Elizabeth Brakerall | 43 | Wife | — | Iowa |
| 57 | Mary Brakerall | 16 | Daughter | — | Iowa |
| 58 | Frances Brakerall | 14 | Daughter | — | Iowa |
| 59 | Robert Brakerall | 12 | Son | — | Iowa |
| 60 | Margaret Brakerall | 10 | Daughter | — | Iowa |
| 61 | Donald Brakerall | 8 | Son | — | Iowa |
| 62 | Frank J. Cook | 33 | Head | Clerk | Illinois |
| 63 | Julia Cook | 32 | Wife | — | Iowa |
| 64 | Pershing Cook | 11 | Son | — | Iowa |
| 65 | Virgil Cook | 9 | Son | — | South Dakota |
| 66 | George Cook | 7 | Son | — | South Dakota |
| 67 | Ida Cook THIS PERSON | 5 | Daughter | — | Iowa |
| 68 | Loraine Cook | 4 | Daughter | — | Iowa |
| 69 | Daniel Cook | 1 | Son | — | Iowa |
| 70 | Freeman Doyle | 66 | Head | Telegrapher | Canada Fr |
| 71 | Minnie Doyle | 59 | Wife | Dressmaker | Kansas |
| 72 | James F. Doyle | 11 | Grandson | — | Iowa |
| 73 | Leo Doyle | 8 | Grandson | — | Iowa |
| 74 | Theodore Hayes | 66 | Head | — | Iowa |
| 75 | Mellissa J. Holcomb | 75 | Head | — | Illinois |
| 76 | Jennie Whitmore | 72 | Head | — | Iowa |
| 77 | Max Barrier | 22 | Head | Laborer | Iowa |
| 78 | Edna Barrier | 22 | Wife | — | South Dakota |
| 79 | Gus Dobernecker | 40 | Head | Mechanic | Germany |
| 80 | Anne Dobernecker | 36 | Wife | — | Iowa |
| 81 | Gladys Dobernecker | 11 | Daughter | — | Nebraska |
| 82 | Ruth A. Dobernecker | 5 | Daughter | — | Iowa |
| 83 | Jens P. Green | 56 | Head | Janitor | Sweden |
| 84 | Mabel Green | 27 | Daughter | Nurse | Iowa |
| 85 | Arthur S. Hopp | 21 | Son-in-law | Farmer | Iowa |
| 86 | Jennie H. Hopp | 22 | Daughter | Dental Assistant | Iowa |
| 87 | James R. Crum | 37 | Head | Painter | Iowa |
| 88 | John Richardson | 20 | Boarder | Painter | Iowa |
| 89 | James O'Neal | 63 | Head | Painter | Iowa |
| 90 | George Clark | 33 | Head | Brakeman | Iowa |
| 91 | Nancy Clark | 69 | Mother | — | Iowa |
| 92 | George Sexton | 80 | Head | — | Ohio |
| 93 | Eva Sexton | 61 | Wife | — | Ohio |
| 94 | Thomas Jr. Gross | 36 | Head | Laborer | Iowa |
| 95 | Grace Gross | 24 | Wife | — | Iowa |
| 96 | James Gross | 5 | Son | — | Nebraska |
| 97 | Marie Gross | 3 | Daughter | — | Nebraska |
| 98 | Henry Schmitker | 49 | Head | Driver | Iowa |
| 99 | Frank M. Gardner | 26 | Head | Manager | Minnesota |
| 100 | Myrtle Gardner | 26 | Wife | Bookkeeper | 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)