FP
Fred Peterson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Harrison, Iowa
Our Model Tree links this Fred Peterson across the 1920, 1930 and 1940 US Censuses in Harrison, Iowa (XGBoost, ~Confirmed), with identified parents Carl & Eliza — first a head (b.~1903), then head of a 3-person household.
Age 27
b. ~1903
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Harrison, Iowa |
| Surname | Peterson |
| Given Name | Fred C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farming |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Harrison Township |
| Est. Birth Year | ~1903 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Mayre Peterson | Other | — | 25 | ~1905 |
| Fred Peterson | Head | — | 27 | ~1903 |
| Gerald Peterson | Son | — | ~1930 |
Census Appearances
1920
Harrison, Iowa
Son, age 16
Harrison, Iowa · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Fred C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Harrison, Iowa
Head, age 27
Harrison, Iowa · implied b. ~1903 — 3 household members
| Surname | Peterson |
| Given Name | Fred C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General farming |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Harrison-County, Iowa
Head, age 37
Harrison-County, Iowa · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Fred C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Harrison Twp |
| 1935 Residence (County) | Harrison |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 36 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Fred Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Peterson (~0.92 confidence) and mother Eliza Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Peterson
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Eliza Peterson
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Peterson
Head · 1930 · age 27 · b. ~1903 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Harrison, Iowa
Open full size
1930 US Federal Census — Harrison, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel658:0410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Braxton | 52 | Wife-H | — | Iowa |
| 2 | Loretta Perkins | 13 | Niece | — | Iowa |
| 3 | Albert W. Major | 47 | Head | Farmer | Iowa |
| 4 | Mary M. Major | 42 | Wife-H | — | Iowa |
| 5 | Deloris G. Major | 16 | Daughter | — | Iowa |
| 6 | Raymond M. Major | 14 | Son | — | Iowa |
| 7 | Frank M. Nicholson | 40 | Head | Farmer | Iowa |
| 8 | Alice M. Nicholson | 33 | Wife-H | — | Iowa |
| 9 | Verna Nicholson | 9 | Daughter | — | Iowa |
| 10 | Vyla Nicholson | 7 | Son | — | Iowa |
| 11 | E. Arlene Nicholson | 6 | Daughter | — | Iowa |
| 12 | Fred C. Peterson THIS PERSON | 27 | Head | Farmer | Iowa |
| 13 | Mayre Peterson | 25 | Wife-H | — | Iowa |
| 14 | Gerald Peterson | 0 | Son | — | Iowa |
| 15 | Ora Kingston | 50 | Head | Farmer | Iowa |
| 16 | Maud C. Kingston | 41 | Wife-H | — | Nebraska |
| 17 | Gladys Kingston | 22 | Daughter | — | Iowa |
| 18 | Walter Koppa | 32 | Hired Hand | Laborer | Wisconsin |
| 19 | Kate Bulmer | 21 | Boarder | Teacher | Iowa |
| 20 | Thomas Christensen | 48 | Head | Farmer | Denmark |
| 21 | Edward Christensen | 40 | Brother | Farmer | South Dakota |
| 22 | Gertrude M. Christensen | 37 | Sister-H | — | Iowa |
| 23 | Petra Lyman | 40 | Servant | Servant | Denmark |
| 24 | Laurence Lyman | 11 | Boarder | — | Iowa |
| 25 | Leon Noel | 36 | Servant | Laborer | Iowa |
| 26 | William Connelly | 62 | Head | Farmer | Illinois |
| 27 | Elizabeth Connelly | 57 | Wife-H | — | Iowa |
| 28 | Frank W. Connelly | 18 | Son | Laborer | Iowa |
| 29 | Clifford W. Connelly | 23 | Son | Laborer | Iowa |
| 30 | Carl Beckman | 50 | Head | Farmer | Germany |
| 31 | Anna Beckman | 44 | Wife-H | — | United States |
| 32 | Charles Roman | 37 | Hired Hand | Laborer | Missouri |
| 33 | Cozm Bulman | 25 | Nephew | Guest | United States |
| 34 | Leslie Keim | 32 | Head | Farmer | Iowa |
| 35 | Blanche Keim | 25 | Wife-H | — | Iowa |
| 36 | Merald Keim | 3 | Son | — | Iowa |
| 37 | Richard Keim | 33 | Head | Farmer | Iowa |
| 38 | Betty Keim | 27 | Wife-H | — | Iowa |
| 39 | Charles J. Keim | 39 | Head | Farmer | Iowa |
| 40 | Eva J. Keim | 39 | Wife-H | — | South Dakota |
| 41 | Charles R. Keim | 7 | Son | — | Iowa |
| 42 | Fred E. Keim | 5 | Son | — | Iowa |
| 43 | David Miller | 59 | Head | Farmer | Indiana |
| 44 | Agnes Miller | 50 | Wife-H | — | Iowa |
| 45 | John V. Miller | 30 | Son | Laborer | Iowa |
| 46 | Thomas R. Miller | 28 | Son | Laborer | Iowa |
| 47 | Willis E. Miller | 25 | Son | Laborer | Iowa |
| 48 | John W. Summerfield | 55 | Head | Superintendent | England |
| 49 | Nellie Summerfield | 50 | Wife-H | Practical Nurse | Illinois |
| 50 | Josephine Summerfield | 16 | Daughter | Servant | Iowa |
Pedigree Summary
Fred
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)