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Theodore Anderson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Audubon, Iowa
Our Model Tree links this Theodore Anderson across the 1920, 1930 and 1940 US Censuses in Audubon, Iowa (XGBoost, ~Confirmed), with identified parents Hans & Jens — first a son (b.~1905), then head of a 6-person household.
Age 25
b. ~1905
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Audubon, Iowa |
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | no |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Hamlin Township |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| Harold Anderson | Son | — | 16 | ~1914 |
| Benjamin Anderson | Son | — | 27 | ~1903 |
| Nelly Anderson | Daughter | — | 21 | ~1909 |
| Hannah Anderson | Spouse | — | 57 | ~1873 |
| Theodore Anderson | Son | — | 25 | ~1905 |
| Hans Anderson | Head | — | 59 | ~1871 |
Census Appearances
1920
Audubon, Iowa
Son, age 14
Audubon, Iowa · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Theodore A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Audubon, Iowa
Son, age 25
Audubon, Iowa · implied b. ~1905 — 6 household members
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farm laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | no |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Audubon-County, Iowa
Son, age 35
Audubon-County, Iowa · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andersen |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Hamlin Township |
| 1935 Residence (County) | Audubon |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Theodore Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hans Anderson (~0.92 confidence) and father Jens Anderson (~0.92 confidence) and mother Hanne Andersen (~0.92 confidence) and mother Karen Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hans Anderson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Jens Anderson
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Hanne Andersen
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Karen Anderson
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Anderson
Son · 1930 · age 25 · b. ~1905 · Iowa
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Sibling
Benjamin Anderson
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Anderson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelly Anderson
Sibling · 1930 · age 21
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 — Audubon, Iowa
Open full size
1930 US Federal Census — Audubon, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel640:0407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Freda Rattenborg | 18 | Daughter | — | Iowa |
| 52 | Emma Rattenborg | 16 | Daughter | — | Iowa |
| 53 | Herbert Rattenborg | 15 | Son | Farm Laborer | Iowa |
| 54 | Barbara Bintner | 47 | Head | Farmer | Illinois |
| 55 | Hilda M Bintner | 24 | Daughter | Teacher | Iowa |
| 56 | Lucile C Bintner | 22 | Daughter | Teacher | Iowa |
| 57 | William S Bintner | 20 | Son | Farm Laborer | Iowa |
| 58 | Michael P Bintner | 15 | Son | — | Iowa |
| 59 | Martha L Bintner | 14 | Daughter | — | Iowa |
| 60 | Paul P Bintner | 11 | Son | — | Iowa |
| 61 | Jens B Jensen | 30 | Head | Farmer | Nebraska |
| 62 | Hilda N Jensen | 26 | Wife | — | Iowa |
| 63 | Lawrence Jorgensen | 44 | Head | Farmer | Iowa |
| 64 | Dagmar A Jorgensen | 44 | Wife | — | Iowa |
| 65 | Loyd Jorgensen | 21 | Son | Farm Laborer | Iowa |
| 66 | Harley Jorgensen | 19 | Son | Farm Laborer | Iowa |
| 67 | Alva Jorgensen | 17 | Son | — | Iowa |
| 68 | Eunice Jorgensen | 12 | Daughter | — | Iowa |
| 69 | Roger Jorgensen | 5 | Son | — | Iowa |
| 70 | Hans Anderson | 59 | Head | Farmer | Denmark |
| 71 | Hannah Anderson | 57 | Wife | — | Denmark |
| 72 | Benjamin Anderson | 27 | Son | Farm Laborer | Iowa |
| 73 | Theodore Anderson THIS PERSON | 25 | Son | Farm Laborer | Iowa |
| 74 | Nelly Anderson | 21 | Daughter | Teacher | Iowa |
| 75 | Harold Anderson | 16 | Son | — | Iowa |
| 76 | Arthur R Lauritsen | 25 | Head | Farmer | Iowa |
| 77 | Alma I Lauritsen | 22 | Wife | — | Iowa |
| 78 | Nels Abelstrup | 18 | Boarder | Farm Laborer | Iowa |
| 79 | James Jr Law | 42 | Head | Farmer | Iowa |
| 80 | Charles Hansen | 23 | Head | Farm Laborer | Iowa |
| 81 | Esther H Hansen | 20 | Wife | — | Iowa |
| 82 | Stuart S Hansen | 2 | Son | — | Nebraska |
| 83 | Fred E Campbell | 45 | Head | Farmer | Iowa |
| 84 | Mabel G Campbell | 35 | Wife | — | Illinois |
| 85 | William F Campbell | 12 | Son | — | Iowa |
| 86 | Louis G Campbell | 10 | Son | — | Iowa |
| 87 | Ruth G Campbell | 5 | Daughter | — | Iowa |
| 88 | Robert C Campbell | 2 | Son | — | Iowa |
| 89 | Fred Rabe | 37 | Head | Farmer | Iowa |
| 90 | Freda Rabe | 36 | Wife | — | Iowa |
| 91 | Josephine Rabe | 6 | Daughter | — | Iowa |
| 92 | Fred Jr Rabe | 3 | Son | — | Iowa |
| 93 | John Rabe | 34 | Head | Farmer | Iowa |
| 94 | Mary Rabe | 24 | Wife | — | Iowa |
| 95 | Edward Rabe | 6 | Son | — | Iowa |
| 96 | William Rabe | 2 | Son | — | Iowa |
| 97 | Palmer Hansen | 34 | Head | Farmer | Iowa |
| 98 | Mabel Hansen | 33 | Wife | — | Iowa |
| 99 | Winona Hansen | 8 | Daughter | — | Iowa |
| 100 | Elaine Hansen | 6 | Daughter | — | Iowa |
Related Census Records
Pedigree Summary
Theodore + 3 siblings
Gen 1 · 4 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)