EC
Earl Cook — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marshall, Iowa
Our Model Tree links this Earl Cook across the 1900, 1910, 1920 and 1930 US Censuses in Marshall, Iowa (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 5-person household.
Age 47
b. ~1883
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Marshall, Iowa |
| Surname | Cook |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 29 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Lineman |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 13 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Lineman |
| Township / Ward | Clemons Town |
| Est. Birth Year | ~1883 |
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 Earl | Age | Birth yr |
|---|---|---|---|---|
| Velma Cook | Daughter | — | 16 | ~1914 |
| Julia Cook | Daughter | — | 12 | ~1918 |
| Mabel Cook | Spouse | — | 39 | ~1891 |
| Mary Cook | Daughter | — | 10 | ~1920 |
| Earl Cook | Head | — | 47 | ~1883 |
Census Appearances
1900
Marshall, Iowa
Other, age 18
Marshall, Iowa · implied b. ~1882 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Earl |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | May |
| Birth Year | 1882 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farm Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Marshall, Iowa
Other, age 26
Marshall, Iowa · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Earl |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farm laborer |
| Industry | Working out |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Marshall, Iowa
Head, age 37
Marshall, Iowa · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marshall, Iowa
Head, age 47
Marshall, Iowa · implied b. ~1883 — 5 household members
| Surname | Cook |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 29 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Lineman |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 13 |
| 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 Earl Cook across 4 US Census years (1900, 1910, 1920 and 1930) in Marshall, Iowa, using XGBoost record linkage.
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This person
Anchor record
Earl Cook
Head · 1930 · age 47 · b. ~1883 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Marshall, Iowa
Open full size
1930 US Federal Census — Marshall, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel669:0005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William G. Ward | 49 | Son | Farmer | Kansas |
| 2 | Thomas J. Rhodes | 41 | Head | Proprietor | Iowa |
| 3 | Helen L. Rhodes | 19 | Wife | Cook | Oregon |
| 4 | Ernest Brackney | 36 | Head | Assistant Merchant | Iowa |
| 5 | Hulda Brackney | 33 | Wife | — | Iowa |
| 6 | Cyrus Brackney | 8 | Son | — | Iowa |
| 7 | Shirley Brackney | 6 | Daughter | — | Iowa |
| 8 | Svend Nielsen | 45 | Head | Butcher | Denmark |
| 9 | Velma Nielsen | 31 | Wife | — | Iowa |
| 10 | Dale Nielsen | 11 | Son | — | Iowa |
| 11 | Anna M. Nielsen | 7 | Daughter | — | Iowa |
| 12 | Leona Nielsen | 5 | Daughter | — | Minnesota |
| 13 | Earl Cook THIS PERSON | 47 | Head | Lineman | Iowa |
| 14 | Mabel H. Cook | 39 | Wife | Operator | Illinois |
| 15 | Velma E. Cook | 16 | Daughter | Operator | Iowa |
| 16 | Julia B. Cook | 12 | Daughter | — | Iowa |
| 17 | Mary L. Cook | 10 | Daughter | — | Iowa |
| 18 | Aaron J. Monroe | 74 | Head | Clerk | West Virginia |
| 19 | Elizabeth Monroe | 70 | Wife | Proprietor | Illinois |
| 20 | Theodore Helonche | 62 | Head | Secretary | Germany |
| 21 | Georgia Helonche | 63 | Wife | — | Mississippi |
| 22 | Andrew J. Amery | 45 | Head | Vice President | Iowa |
| 23 | Ethel Amery | 44 | Wife | — | Iowa |
| 24 | Gaylord Amery | 17 | Son | — | Iowa |
| 25 | Everett Fuller | 24 | Lodger | Teacher | Iowa |
| 26 | Carl Van Nuys | 35 | Head | Asst Cashier | Iowa |
| 27 | Marie Van Nuys | 26 | Wife | — | Iowa |
| 28 | Juan Van Nuys | 3 | Son | — | Iowa |
| 29 | Marvin Van Nuys | 1 | Son | — | Iowa |
| 30 | Rosa Van Dane | 52 | Mother-in-law | — | Iowa |
| 31 | Lillian M. Andrew | 27 | Lodger | Teacher | Iowa |
| 32 | Raymond Plante | 26 | Lodger | Coach | Iowa |
| 33 | Alonzo Stewart | 77 | Head | — | Ohio |
| 34 | Albert Christiansen | 56 | Head | Fireman | Illinois |
| 35 | Nellie Christiansen | 52 | Wife | Dress Maker | Illinois |
| 36 | Arnold Christiansen | 27 | Son | Section Hand | Iowa |
| 37 | Harold Christiansen | 23 | Son | Laborer | Iowa |
| 38 | Herbert Christiansen | 19 | Son | Laborer | Iowa |
| 39 | Thomas T. Molleston | 56 | Head | Plumber | Iowa |
| 40 | Pearl Molleston | 22 | Wife | — | Iowa |
| 41 | George Grimstead | 37 | Head | Proprietor | Iowa |
| 42 | Florence Grimstead | 34 | Wife | — | Iowa |
| 43 | Arland Grimstead | 11 | Son | — | Iowa |
| 44 | Robert Grimstead | 10 | Son | — | Iowa |
| 45 | Richard Grimstead | 6 | Son | — | Iowa |
| 46 | Sidney Grimsey | 29 | Lodger | Keeper | Iowa |
| 47 | Blanche Simmons | 25 | Lodger | Teacher | Iowa |
| 48 | Mildred Lale | 23 | Lodger | Teacher | Missouri |
| 49 | Charles Beckwith | 63 | Head | Meat Dealer | Iowa |
| 50 | Ethel Beckwith | 61 | 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)