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John Olson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pocahontas, Iowa
Our Model Tree links this John Olson across the 1910, 1920 and 1930 US Censuses in Pocahontas, Iowa (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 4-person household.
Age 46
b. ~1884
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Pocahontas, Iowa |
| Surname | Olson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 30 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Farmer |
| Industry | Gen. Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Grant Twp |
| Est. Birth Year | ~1884 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Thelma Olson | Daughter | — | 17 | ~1913 |
| John Olson | Head | — | 46 | ~1884 |
| Catherine Gilleland | Other | — | 62 | ~1868 |
| Ida Olson | Spouse | — | 40 | ~1890 |
Census Appearances
1910
Pocahontas, Iowa
Head, age 26
Pocahontas, Iowa · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 1 |
| Father's Birthplace | Swed Swedish |
| Mother's Birthplace | Swed Swedish |
| Occupation | Farmer |
| Industry | Gen Farm |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Pocahontas, Iowa
Head, age 36
Pocahontas, Iowa · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pocahontas, Iowa
Head, age 46
Pocahontas, Iowa · implied b. ~1884 — 4 household members
| Surname | Olson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 30 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Gen. Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | 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 John Olson across 3 US Census years (1910, 1920 and 1930) in Pocahontas, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
John Olson
Head · 1930 · age 46 · b. ~1884 · 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 — Pocahontas, Iowa
Open full size
1930 US Federal Census — Pocahontas, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel673:0192)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bertram John H. | 8 | Son | — | Iowa |
| 52 | Tony R. | 5 | Son | — | Iowa |
| 53 | Adolph J. Daniels | 49 | Head | Farmer | Kansas |
| 54 | Emma Daniels | 48 | Wife | — | Iowa |
| 55 | Mae L. Daniels | 19 | Daughter | — | Iowa |
| 56 | Eunice A. Daniels | 17 | Daughter | — | Iowa |
| 57 | Raymond J. Daniels | 14 | Son | — | Iowa |
| 58 | Irene E. Daniels | 10 | Daughter | — | Iowa |
| 59 | Jeanette E. Daniels | 3 | Daughter | — | Iowa |
| 60 | John E. Olson THIS PERSON | 46 | Head | Farmer | Iowa |
| 61 | Ida B. Olson | 40 | Wife | — | Illinois |
| 62 | Thelma L. Olson | 17 | Daughter | — | Iowa |
| 63 | Catherine E. Gilleland | 62 | Mother | — | Illinois |
| 64 | Robert A. Johnson | 40 | Head | Farmer | Iowa |
| 65 | Stella L. Johnson | 36 | Wife | — | Iowa |
| 66 | Velma M. Johnson | 11 | Daughter | — | Iowa |
| 67 | Norma E. Johnson | 9 | Daughter | — | Iowa |
| 68 | Deloris J. Johnson | 5 | Daughter | — | Iowa |
| 69 | Ernest E. Johnson | 31 | Brother | Farmer | Iowa |
| 70 | Helen Baldridge | 22 | Sister-in-law | House Maid | Iowa |
| 71 | Albert A. Hanson | 46 | Head | Farmer | Iowa |
| 72 | Martha M. Hanson | 39 | Wife | — | Iowa |
| 73 | Wilbur E. Hanson | 18 | Son | Laborer | Iowa |
| 74 | Arne V. Hanson | 15 | Son | — | Iowa |
| 75 | Ethel G. Hanson | 13 | Daughter | — | Iowa |
| 76 | Velda L. Hanson | 4 | Daughter | — | Iowa |
| 77 | Joseph Malecek | 45 | Head | Farmer | Bohemia |
| 78 | Mary Malecek | 39 | Wife | — | Bohemia |
| 79 | Mamie J. Malecek | 20 | Daughter | Clerk | Iowa |
| 80 | Joseph Malecek | 16 | Son | Farm Laborer | Iowa |
| 81 | Howard O. Loomis | 26 | Head | Farmer | Iowa |
| 82 | Harold M. Loomis | 24 | Brother | Farmer | Iowa |
| 83 | Elmer Kirkendall | 36 | O | Farmer | Iowa |
| 84 | Marie Kirkendall | 49 | Wife | — | Illinois |
| 85 | Harry Carlson | 41 | R | Farmer | Illinois |
| 86 | Hattie M. Carlson | 28 | Wife | — | Iowa |
| 87 | Aroid D. Carlson | 7 | Son | — | Iowa |
| 88 | Glen H. Carlson | 4 | Son | — | Iowa |
| 89 | Dale L. Carlson | 2 | Son | — | Iowa |
| 90 | Verne Carlson | 0 | Son | — | Iowa |
| 91 | Lawrence R. Peterson | 27 | R | Farmer | Iowa |
| 92 | Carl H. Swanson | 46 | R | Farmer | Sweden |
| 93 | Jennie J. Swanson | 43 | Wife | — | Iowa |
| 94 | Mabel M. Swanson | 15 | Daughter | — | Iowa |
| 95 | Hazel B. Swanson | 12 | Daughter | — | Iowa |
| 96 | Peter J. Mart | 39 | O | Farmer | Iowa |
| 97 | Margaret A. Mart | 36 | Wife | — | Iowa |
| 98 | Genevieve E. Mart | 9 | Daughter | — | Iowa |
| 99 | Vincent H. Mart | 8 | Son | — | Iowa |
| 100 | Harold B. Mart | 6 | Son | — | 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)