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Robert Jensen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Shelby, Iowa
Our Model Tree links this Robert Jensen across the 1920 and 1930 US Censuses in Shelby, Iowa (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 8-person household.
Age 14
b. ~1916
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Shelby, Iowa |
| Surname | Jensen |
| Given Name | Robert R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Monroe Township |
| Est. Birth Year | ~1916 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Jensen | Son | — | 14 | ~1916 |
| Edmund Jensen | Son | — | 20 | ~1910 |
| Marie Jensen | Other | — | 39 | ~1891 |
| Nels Jensen | Head | — | 47 | ~1883 |
| Harvey Jensen | Son | — | 16 | ~1914 |
| Marie Jensen | Daughter | — | 18 | ~1912 |
| Marvin Jensen | Son | — | 12 | ~1918 |
| Lucille Jensen | Daughter | — | 10 | ~1920 |
Census Appearances
1920
Shelby, Iowa
Son, age 4
Shelby, Iowa · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Shelby, Iowa
Son, age 14
Shelby, Iowa · implied b. ~1916 — 8 household members
| Surname | Jensen |
| Given Name | Robert R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Jensen across 2 US Census years (1920 and 1930) in Shelby, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Jensen
Son · 1930 · age 14 · b. ~1916 · Iowa
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Sibling
Marie Jensen
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edmund Jensen
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Jensen
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Jensen
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Jensen
Sibling · 1930 · age 16
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 — Shelby, Iowa
Open full size
1930 US Federal Census — Shelby, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel682:0761)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvina G. Hansen | 23 | wife H. | None | Iowa |
| 2 | Norman H. Hansen | 15 | Son | None | Iowa |
| 3 | Alvina M. Hansen | 13 | Daughter | None | Iowa |
| 4 | Harriette M. Hansen | 6 | Daughter | None | Iowa |
| 5 | Ardelle N. Hansen | 4 | Daughter | None | Iowa |
| 6 | Merle L. Hansen | 3 | Son | None | Iowa |
| 7 | Donald D. Hansen | 1 | Son | None | Iowa |
| 8 | Ernest C. Jensen | 30 | Laborer | Laborer | Iowa |
| 9 | Adolph W. Roy | 39 | Head | Farmer | Iowa |
| 10 | Esther E. Roy | 28 | wife H. | None | Iowa |
| 11 | William A. Roy | 4 | Son | None | Iowa |
| 12 | Norma J. Roy | 1 | Daughter | None | Iowa |
| 13 | Carl R. Bowser | 16 | Laborer | Laborer | Ohio |
| 14 | Rudolph Klindt | 44 | Head | Farmer | Iowa |
| 15 | Ora L. Klindt | 41 | wife H. | None | Iowa |
| 16 | Glenn D. Klindt | 18 | Son | None | Iowa |
| 17 | Ruth K. Klindt | 14 | Daughter | None | Iowa |
| 18 | Gaylord J. Klindt | 12 | Son | None | Iowa |
| 19 | John L. Noon | 48 | Head | Farmer | Iowa |
| 20 | Anna K. Noon | 46 | wife H. | None | Iowa |
| 21 | Earl A. Noon | 16 | Son | None | Iowa |
| 22 | Frank D. Lamer | 44 | Head | Farmer | Iowa |
| 23 | Freda C. Lamer | 43 | wife H. | None | Iowa |
| 24 | Ivan F. Lamer | 13 | Son | None | Iowa |
| 25 | George L. Lamer | 1 | Son | None | Iowa |
| 26 | Wayne Walton | 18 | Laborer | Laborer | Iowa |
| 27 | Nels J. Jensen | 47 | Head | Farmer | Denmark |
| 28 | Edmund L. Jensen | 20 | Son | Laborer | Iowa |
| 29 | Marie C. Jensen | 18 | Daughter | None | Iowa |
| 30 | Harvey B. Jensen | 16 | Son | Laborer | Iowa |
| 31 | Robert R. Jensen THIS PERSON | 14 | Son | None | Iowa |
| 32 | Marvin F. Jensen | 12 | Son | None | Iowa |
| 33 | Lucille A. Jensen | 10 | Daughter | None | Iowa |
| 34 | Marie K. Jensen | 39 | Sister | Servant | Denmark |
| 35 | Marius M. Jensen | 44 | Head | Farmer | Denmark |
| 36 | Rose Jensen | 38 | wife H. | None | Iowa |
| 37 | Hazel L. Nelson | 21 | Step Daughter | Servant | Iowa |
| 38 | Woodrow M. Jensen | 15 | Son | None | Iowa |
| 39 | Wilfred F. Jensen | 13 | Son | None | Iowa |
| 40 | Lois V. Jensen | 2 | Daughter | None | Iowa |
| 41 | Willis S. Pauley | 23 | Head | Farmer | Iowa |
| 42 | Edna E. Pauley | 20 | wife H. | None | Iowa |
| 43 | Darlene L. Pauley | 1 | Daughter | None | Iowa |
| 44 | Chris Sorensen | 16 | Laborer | Laborer | Colorado |
| 45 | Arval Lamer | 30 | Head | Farmer | Iowa |
| 46 | Helen Lamer | 28 | wife H. | None | Iowa |
| 47 | Robert A. Brindley | 45 | Head | Farmer | Iowa |
| 48 | Nancy A. Brindley | 44 | wife H. | None | Iowa |
| 49 | R. Boyd Brindley | 17 | Son | None | Iowa |
| 50 | Clark E. Brindley | 14 | Son | None | 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)