RC
Robert Carlson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pottawattamie, Iowa
Our Model Tree links this Robert Carlson across the 1920 and 1930 US Censuses in Pottawattamie, Iowa (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 11
b. ~1919
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pottawattamie, Iowa |
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | York 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Verna Carlson | Daughter | — | 8 | ~1922 |
| Ray Carlson | Son | — | 20 | ~1910 |
| Robert Carlson | Son | — | 11 | ~1919 |
| Alma Carlson | Other | — | 50 | ~1880 |
| Andrew Carlson | Head | — | 54 | ~1876 |
| Ruby Carlson | Daughter | — | 13 | ~1917 |
| Lawrence Carlson | Son | — | 17 | ~1913 |
| George Carlson | Son | — | 10 | ~1920 |
| Elmer Carlson | Son | — | 6 | ~1924 |
Census Appearances
1920
Pottawattamie, Iowa
Son, age 1
Pottawattamie, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Sweden |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pottawattamie, Iowa
Son, age 11
Pottawattamie, Iowa · implied b. ~1919 — 9 household members
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Sweden |
| 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 Carlson across 2 US Census years (1920 and 1930) in Pottawattamie, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Carlson
Son · 1930 · age 11 · b. ~1919 · Iowa
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Sibling
George Carlson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Carlson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Carlson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Carlson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Carlson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Carlson
Sibling · 1930 · age 13
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:iowacensus00reel678:1102)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Carlson | 23 | Head | Farmer | Iowa |
| 2 | Anna Carlson | 20 | Wife-H | — | Iowa |
| 3 | Robert Carlson | 2 | Son | — | Iowa |
| 4 | Helen Carlson | 0 | Daughter | — | Iowa |
| 5 | Ray Audas | 32 | Head | Farmer | Iowa |
| 6 | Velma Audas | 27 | Wife-H | — | Iowa |
| 7 | Madonna Audas | 4 | Daughter | — | Iowa |
| 8 | George Audas | 2 | Son | — | Iowa |
| 9 | John Penney | 58 | Head | Farmer | Iowa |
| 10 | Alice Penney | 37 | Wife-H | — | Canada E. |
| 11 | Luke E. Penney | 29 | Son | Farm Laborer | Iowa |
| 12 | Tom Penney | 24 | Son | Farm Laborer | Iowa |
| 13 | Cecelia A. Penney | 15 | Daughter | — | Iowa |
| 14 | Henry Koch | 49 | Head | Farmer | Germany |
| 15 | Maggie Koch | 44 | Wife-H | — | Iowa |
| 16 | Alice Koch | 16 | Daughter | — | Iowa |
| 17 | Esther Koch | 15 | Daughter | — | Iowa |
| 18 | Hazel Koch | 13 | Daughter | — | Iowa |
| 19 | Arthur Koch | 9 | Son | — | Iowa |
| 20 | Lucille Koch | 5 | Daughter | — | Iowa |
| 21 | Andrew W. Carlson | 54 | Head | Farmer | Missouri |
| 22 | Alma Carlson | 50 | Wife-H | — | Sweden |
| 23 | Ray Carlson | 20 | Son | Farm Laborer | Iowa |
| 24 | Lawrence Carlson | 17 | Son | — | Iowa |
| 25 | Ruby Carlson | 13 | Daughter | — | Iowa |
| 26 | Robert Carlson THIS PERSON | 11 | Son | — | Iowa |
| 27 | George Carlson | 10 | Son | — | Iowa |
| 28 | Verna Carlson | 8 | Daughter | — | Iowa |
| 29 | Elmer Carlson | 6 | Son | — | Iowa |
| 30 | Adolph P. Bentz | 34 | Head | Farmer | Iowa |
| 31 | Lydia Bentz | 32 | Wife-H | — | Iowa |
| 32 | Merlynn Bentz | 3 | Son | — | Iowa |
| 33 | Herbert Bentz | 1 | Son | — | Iowa |
| 34 | James Howard | 25 | Boarder | Farm Laborer | Oklahoma |
| 35 | Ray Hadel | 40 | Head | Farmer | Illinois |
| 36 | Mabel Hadel | 43 | Wife-H | — | Missouri |
| 37 | Paul Morgan | 21 | Step-Son | Farm Laborer | Nebraska |
| 38 | Juanita Williams | 19 | Servant | Servant | Iowa |
| 39 | George W. Bentz | 46 | Head | Farmer | Iowa |
| 40 | Angela Bentz | 39 | Wife-H | — | Iowa |
| 41 | Paul Bentz | 13 | Son | — | Iowa |
| 42 | Pauline Bentz | 13 | Daughter | — | Iowa |
| 43 | Harold Bentz | 11 | Son | — | Iowa |
| 44 | Lloyd Bentz | 11 | Son | — | Iowa |
| 45 | Clarence Smith | 18 | Boarder | — | Nebraska |
| 46 | Helen Daniel | 18 | Servant | Servant | Iowa |
| 47 | Richard Audas | 20 | Boarder | Farm Laborer | Nebraska |
| 48 | Arthur Knott | 36 | Head | Farmer | Nebraska |
| 49 | Nettie H. Knott | 34 | Wife-H | — | Iowa |
| 50 | Raymond Knott | 2 | 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)