HP
Harold Peterson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Scott, Iowa
Our Model Tree links this Harold Peterson across the 1920, 1930 and 1940 US Censuses in Scott, Iowa (XGBoost, ~Confirmed), with identified parents Anna & Anna — first a son (b.~1913), then head of a 4-person household.
Age 17
b. ~1913
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Scott, Iowa |
| Surname | Peterson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Farm Labor |
| Industry | General 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 | Davenport Township |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Anna Peterson | Spouse | — | 54 | ~1876 |
| Harold Peterson | Son | — | 17 | ~1913 |
| Walter Peterson | Son | — | 22 | ~1908 |
| Hans Peterson | Head | — | 54 | ~1876 |
Census Appearances
1920
Scott, Iowa
Son, age 6
Scott, Iowa · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Son, age 17
Scott, Iowa · implied b. ~1913 — 4 household members
| Surname | Peterson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farm Labor |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Head, age 27
Scott-County, Iowa · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport Township |
| 1935 Residence (County) | Scott |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| 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 Harold Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Petersen (~0.92 confidence) and mother Anna Peterson (~0.92 confidence) and father Hans Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Petersen
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Hans Peterson
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harold Peterson
Son · 1930 · age 17 · b. ~1913 · Iowa
★ You are viewing this record
Sibling
Walter Peterson
Sibling · 1930 · age 22
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 — Scott, Iowa
Open full size
1930 US Federal Census — Scott, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel681:0196)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles L. Layman | 13 | Son | None | Iowa |
| 2 | Donald J. Layman | 11 | Son | None | Iowa |
| 3 | Vernon J. Layman | 9 | Son | None | Iowa |
| 4 | Eugene L. Layman | 7 | Son | None | Iowa |
| 5 | Merle R. Layman | 1 | Son | None | Iowa |
| 6 | Lusique Lentgow | 49 | Head | Farmer | Iowa |
| 7 | Bertha Lentgow | 44 | Sister | None | Iowa |
| 8 | Helen Lentgow | 39 | Sister | None | Iowa |
| 9 | Arthur Lentgow | 29 | Head | Farm Labor | Iowa |
| 10 | Melinda E. Lentgow | 23 | Wife | None | Iowa |
| 11 | Elsie L. Lentgow | 5 | Daughter | None | Iowa |
| 12 | Bettie J. Lentgow | 3 | Daughter | None | Iowa |
| 13 | Henry Lentgow | 53 | Head | Farmer | Iowa |
| 14 | Caroline Lentgow | 50 | Wife | None | Iowa |
| 15 | Raymond Lentgow | 26 | Son | Farm Labor | Iowa |
| 16 | Elmer Lentgow | 20 | Son | Dairy Labor | Iowa |
| 17 | Buren Lentgow | 18 | Son | Farm Labor | Iowa |
| 18 | Emil Schmader | 52 | Hired Man | Farm Labor | Germany |
| 19 | Adolph H. Carrigell | 41 | Head | Farmer | Iowa |
| 20 | Leo J. Carrigell | 39 | Brother | Farm Labor | Iowa |
| 21 | Christian L. Carrigell | 35 | Brother | Truck Driver | Iowa |
| 22 | Aloysius G. Carrigell | 33 | Brother | Dairy Labor | Iowa |
| 23 | Martha M. Carrigell | 29 | Sister | None | Iowa |
| 24 | John H. Johansen | 75 | Head | None | Germany |
| 25 | Raymond Rosenfeldt | 27 | Son-in-law | Store Keeper | Iowa |
| 26 | Hilda M. Rosenfeldt | 22 | Daughter | None | Iowa |
| 27 | Hugo G. Brammick | 60 | Head | Farmer | Iowa |
| 28 | Louisa Brammick | 60 | Wife | None | Iowa |
| 29 | Richard H. Brammick | 30 | Son | Salesman | Iowa |
| 30 | Emma Brammick | 30 | Daughter-in-law | None | Iowa |
| 31 | Robert H. Brammick | 25 | Son | Truck Driver | Iowa |
| 32 | Hans Peterson | 54 | Head | Farmer | Iowa |
| 33 | Anna S. Peterson | 54 | Wife | None | Iowa |
| 34 | Walter Peterson | 22 | Son | Farm Labor | Iowa |
| 35 | Harold Peterson THIS PERSON | 17 | Son | Farm Labor | Iowa |
| 36 | Archie M. Duggleby | 31 | Head | Farmer | England |
| 37 | Emma A. Duggleby | 31 | Wife | None | Iowa |
| 38 | John Sperry | 62 | Head | Sweeper | Iowa |
| 39 | Lillie L. Sperry | 45 | Wife | None | Iowa |
| 40 | William Sperry | 10 | Son | None | Iowa |
| 41 | Eugene Sperry | 5 | Son | None | Iowa |
| 42 | Hafley Sperry | 1 | Son | None | Iowa |
| 43 | Henry Frank | 63 | Head | Farmer | Iowa |
| 44 | Margaret E. Frank | 63 | Wife | None | Germany |
| 45 | John J. Browning | 50 | Head | Wood Worker | Iowa |
| 46 | Clara J. Browning | 45 | Wife | None | Iowa |
| 47 | Leroy Browning | 19 | Son | Polisher | Iowa |
| 48 | Gladys M. Browning | 12 | Daughter | None | Iowa |
| 49 | Marvin J. Browning | 7 | Son | None | Iowa |
| 50 | Albert E. Lindt | 56 | Head | Farmer | Iowa |
Related Census Records
Pedigree Summary
Harold + 1 sibling
Gen 1 · 3 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)