FP
Fred Peterson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Clinton, Iowa
Our Model Tree links this Fred Peterson across the 1920 and 1930 US Censuses in Clinton, Iowa (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 9-person household.
Age 15
b. ~1905
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clinton, Iowa |
| Surname | Peterson |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Clinton City |
| 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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Louis Peterson | Son | — | 16 | ~1904 |
| John Peterson | Son | — | 18 | ~1902 |
| Myrtle Peterson | Spouse | — | 37 | ~1883 |
| Fred Peterson | Son | — | 15 | ~1905 |
| John Peterson | Head | — | 38 | ~1882 |
| Bernice Peterson | Daughter | — | 12 | ~1908 |
| Leonard Peterson | Son | — | 2 | ~1918 |
| Helen Peterson | Daughter | — | ~1920 | |
| Harry Peterson | Son | — | 9 | ~1911 |
Census Appearances
1920
Clinton, Iowa
Son, age 15
Clinton, Iowa · implied b. ~1905 — 9 household members
| Surname | Peterson |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Clinton, Iowa
Son, age 26
Clinton, Iowa · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Fred H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Upholsterer |
| Industry | Furniture Co. |
| Class of Worker | W |
| 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 Fred Peterson across 2 US Census years (1920 and 1930) in Clinton, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Fred Peterson
Son · 1920 · age 15 · b. ~1905 · Iowa
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Sibling
Harry Peterson
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Peterson
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Peterson
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Peterson
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Peterson
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Peterson
Sibling · 1920 · age 16
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
1920 US Federal Census — Clinton, Iowa
Open full size
1920 US Federal Census — Clinton, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu484unit:0869)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George Webb | 36 | Head | Contractor | Wisconsin |
| 52 | Leona Webb | 26 | Wife | — | Iowa |
| 53 | George Jr. Webb | 6 | Son | — | Iowa |
| 54 | Arnette Webb | 5 | Daughter | — | Iowa |
| 55 | Harry Webb | 3 | Son | — | Iowa |
| 56 | George Wheeler | 77 | Head | Superintendent | Michigan |
| 57 | Susan Wheeler | 70 | Wife | — | Illinois |
| 58 | Clarke Wheeler | 46 | Son | Manager | Iowa |
| 59 | B. Frank Wheeler | 51 | Head | — | Illinois |
| 60 | Estelle Billings | 54 | Boarder | Teacher | Ohio |
| 61 | Helen Billings | 40 | Boarder | Teacher | Iowa |
| 62 | John J. Wohlwend | 63 | Head | Conductor | Massachusetts |
| 63 | Ella Wohlwend | 52 | Wife | — | Iowa |
| 64 | John B. Wohlwend | 32 | Son | Conductor | Iowa |
| 65 | Harry H. Wohlwend | 26 | Son | Brakeman | Iowa |
| 66 | Etta Wohlwend | 19 | Daughter | Collector | Iowa |
| 67 | Wallace Wohlwend | 17 | Son | Car Clerk | Iowa |
| 68 | W. J. Gleason | 48 | Head | Merchant | Iowa |
| 69 | Nellie Gleason | 49 | Wife | — | Iowa |
| 70 | Ethel Gleason | 22 | Daughter | Clerk | South Dakota |
| 71 | Verne Gleason | 17 | Daughter | — | South Dakota |
| 72 | Elmer Adams | 26 | Head | Telegraph Operator | Illinois |
| 73 | Elsie Adams | 28 | Wife | — | Illinois |
| 74 | Hazel Adams | 3 | Daughter | — | Illinois |
| 75 | Bob Adams | 24 | Brother | Switchman | Illinois |
| 76 | William Brick | 72 | Head | — | Ireland |
| 77 | Nellie Brick | 31 | Daughter | Dressmaker | Iowa |
| 78 | John D. Peterson | 38 | Head | Watchman | Iowa |
| 79 | Myrtle Peterson | 37 | Wife | — | Iowa |
| 80 | John Peterson | 18 | Son | Brakeman | Iowa |
| 81 | Louis Peterson | 16 | Son | Machine Hand | Illinois |
| 82 | Fred Peterson THIS PERSON | 15 | Son | — | Iowa |
| 83 | Bernice Peterson | 12 | Daughter | — | Iowa |
| 84 | Harry Peterson | 9 | Son | — | Missouri |
| 85 | Leonard Peterson | 2 | Son | — | Missouri |
| 86 | Helen Peterson | 0 | Daughter | — | Iowa |
| 87 | John Chapman | 65 | Head | Watchman | Virginia |
| 88 | Lucinda Chapman | 64 | Wife | — | Iowa |
| 89 | Kate Hillery | 50 | Head | — | Illinois |
| 90 | Rosie Hillery | 42 | Sister | — | Illinois |
| 91 | Luther Pharnier | 58 | Head | Carpenter | Iowa |
| 92 | Josephine Pharnier | 61 | Wife | — | Iowa |
| 93 | Laura Pharnier | 26 | Daughter | Trimmer | Iowa |
| 94 | Robert Pharnier | 12 | Grandson | — | Iowa |
| 95 | Evelyn Bungalow | 19 | Boarder | Machine Operator | Illinois |
| 96 | Katherine Sessit | 70 | Head | — | Ireland |
| 97 | James Sessit | 25 | Son | Fireman | Iowa |
| 98 | Helen Sessit | 18 | Granddaughter | — | Iowa |
| 99 | Harry H. Hunt | 25 | Head | Clerk | Missouri |
| 100 | Marjorie Hunt | 22 | Wife | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)