RE
Robert Erickson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Robert Erickson across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Claus & Katherine — first a son (b.~1912), then head of a 5-person household.
Age 18
b. ~1912
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Erickson |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1912 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Albert Erickson | Son | — | 12 | ~1918 |
| Robert Erickson | Son | — | 18 | ~1912 |
| Madeline Erickson | Daughter | — | 9 | ~1921 |
| Catherine Erickson | Other | — | 39 | ~1891 |
| Clair Erickson | Head | — | 47 | ~1883 |
Census Appearances
1920
Polk, Iowa
Son, age 8
Polk, Iowa · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 18
Polk, Iowa · implied b. ~1912 — 5 household members
| Surname | Erickson |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 28
Polk-County, Iowa · implied b. ~1912 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Roy E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Printer |
| Industry | Printing |
| Class of Worker | PW |
| Income (1939) | 310 |
| Highest Grade | No H 4 |
| 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 Robert Erickson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Claus Erickson (~0.92 confidence) and mother Katherine Erickson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Claus Erickson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Katherine Erickson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Erickson
Son · 1930 · age 18 · b. ~1912 · Iowa
★ You are viewing this record
Sibling
Albert Erickson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Erickson
Sibling · 1930 · age 9
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 — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel674:0117)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clyde B. Fletcher | 54 | Head | President | Iowa |
| 2 | Annie M. Fletcher | 53 | Wife-H | — | Illinois |
| 3 | Katherine C. Fletcher | 24 | Daughter | — | Oklahoma |
| 4 | Frances J. Fletcher | 20 | Daughter | — | Iowa |
| 5 | Jonathan M. Fletcher | 15 | Son | — | Iowa |
| 6 | Benjamin F. Elbert | 50 | Head | Auctioneer | Iowa |
| 7 | Sophie V. Elbert | 49 | Wife-H | — | Iowa |
| 8 | Helen Elbert | 21 | Daughter | — | Iowa |
| 9 | James G. Mitchell | 52 | Head | Attorney | Australia |
| 10 | Lucy M. Mitchell | 51 | Wife-H | — | Australia |
| 11 | Frances E. E. Mitchell | 16 | Daughter | — | Illinois |
| 12 | James H. Middleton | 43 | Head | Sales Manager | Kansas |
| 13 | Virginia H. Middleton | 40 | Wife-H | — | Illinois |
| 14 | Eleanor M. Middleton | 11 | Daughter | — | Illinois |
| 15 | Charles C. Blodgett | 50 | Head | Manager | Iowa |
| 16 | Margaret M. Blodgett | 44 | Wife-H | — | Wisconsin |
| 17 | Charles M. Blodgett | 8 | Son | — | Minnesota |
| 18 | Sadie A. Barnes | 42 | Head-H | — | Nebraska |
| 19 | Jack J. Barnes | 21 | Son | — | Iowa |
| 20 | Dorothy A. Barnes | 19 | Daughter | — | Iowa |
| 21 | Richard L. Barnes | 16 | Son | — | Iowa |
| 22 | Jerry P. Barnes | 12 | Son | — | Iowa |
| 23 | Herbert F. Bishard | 52 | Head | Printer | Iowa |
| 24 | Cora A. Bishard | 49 | Wife-H | — | Iowa |
| 25 | Philip M. Bishard | 21 | Son | — | Iowa |
| 26 | Gust H. Neofotist | 47 | Head | Proprietor | Greece |
| 27 | Mary G. Neofotist | 41 | Wife-H | — | Germany |
| 28 | Christo G. Neofotist | 16 | Son | — | Iowa |
| 29 | Pete G. Neofotist | 14 | Son | — | Iowa |
| 30 | Aspasia G. Neofotist | 10 | Daughter | — | Iowa |
| 31 | Phillip G. Neofotist | 2 | Son | — | Iowa |
| 32 | David D. Reimers | 31 | Head | Examiner | Iowa |
| 33 | Edith T. Reimers | 31 | Wife-H | — | Minnesota |
| 34 | Marjorie M. Reimers | 9 | Daughter | — | North Dakota |
| 35 | Charles H. Reimers | 6 | Son | — | North Dakota |
| 36 | John D. Reimers | 4 | Son | — | North Dakota |
| 37 | Willis G. Tallman | 56 | Head | President | Iowa |
| 38 | Edith A. Tallman | 56 | Wife-H | — | Iowa |
| 39 | Evelyn L. Tallman | 21 | Daughter | Teacher | Iowa |
| 40 | Mabel B. Daugherty | 51 | Maid | Maid | Illinois |
| 41 | Margaret A. Costello | 65 | Head-H | — | Canada English |
| 42 | Mary A. Costello | 70 | Sister | — | New York |
| 43 | Ella M. Costello | 50 | Sister | Buyer | Iowa |
| 44 | Clair E. Erickson | 47 | Head | Proprietor | Illinois |
| 45 | Catherine Erickson | 39 | Wife-H | — | Illinois |
| 46 | Robert L. Erickson THIS PERSON | 18 | Son | — | Iowa |
| 47 | Albert D. Erickson | 12 | Son | — | Iowa |
| 48 | Madeline J. Erickson | 9 | Daughter | — | Iowa |
| 49 | Edgar C. Corry | 60 | Head | Attorney | Iowa |
| 50 | Anna M. Corry | 57 | Wife-H | — | Iowa |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)