CP
Clara Peterson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Monona, Iowa
Our Model Tree links this Clara Peterson across the 1920 and 1930 US Censuses in Monona, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 8-person household.
Age 5
b. ~1915
Female
Daughter
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Monona, Iowa |
| Surname | Peterson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | St Clair Township |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Clara | Age | Birth yr |
|---|---|---|---|---|
| Alfred Peterson | Son | — | 14 | ~1906 |
| Thos Peterson | Other | — | 53 | ~1867 |
| Clara Peterson | Daughter | — | 5 | ~1915 |
| Herbert Peterson | Son | — | 11 | ~1909 |
| Walter Peterson | Son | — | 2 | ~1918 |
| Ella Peterson | Daughter | — | 9 | ~1911 |
| Minnie Peterson | Spouse | — | 36 | ~1884 |
| John Peterson | Head | — | 39 | ~1881 |
Census Appearances
1920
Monona, Iowa
Daughter, age 5
Monona, Iowa · implied b. ~1915 — 8 household members
| Surname | Peterson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | No |
| Can Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Monona, Iowa
Daughter, age 16
Monona, Iowa · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| 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 Clara Peterson across 2 US Census years (1920 and 1930) in Monona, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Clara Peterson
Daughter · 1920 · age 5 · b. ~1915 · Iowa
★ You are viewing this record
Sibling
Walter Peterson
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Peterson
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Peterson
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Peterson
Sibling · 1920 · age 11
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 — Monona, Iowa
Open full size
1920 US Federal Census — Monona, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu503unit:0601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Peter Lucas | 63 | Head | Farmer | Germany |
| 52 | Mary Lucas | 57 | Wife | — | Germany |
| 53 | Gustaf Lucas | 20 | Son | Laborer | Iowa |
| 54 | Elsie Lucas | 18 | Daughter | — | Iowa |
| 55 | Hugo Lucas | 11 | Son | — | Iowa |
| 56 | Ed Hannon | 42 | Head | Farmer | Iowa |
| 57 | Della Hannon | 28 | Sister | — | Iowa |
| 58 | Daniel Simmons | 27 | Head | Farmer | Iowa |
| 59 | Mabel Simmons | 23 | Wife | — | Indiana |
| 60 | Hattie Simmons | 5 | Daughter | — | Iowa |
| 61 | Beatrice Simmons | 2 | Daughter | — | Iowa |
| 62 | Elias Powers | 34 | Head | Farmer | Missouri |
| 63 | Bessie Powers | 23 | Wife | — | Iowa |
| 64 | Marvin Powers | 8 | Son | — | Iowa |
| 65 | Iola Powers | 5 | Daughter | — | Iowa |
| 66 | Eliza Powers | 4 | Daughter | — | Iowa |
| 67 | Verlin Powers | 2 | Son | — | Iowa |
| 68 | Frank Powers | 0 | Son | — | Iowa |
| 69 | John Peterson | 39 | Head | Farmer | Germany |
| 70 | Minnie Peterson | 36 | Wife | — | Germany |
| 71 | Alfred Peterson | 14 | Son | — | Iowa |
| 72 | Herbert Peterson | 11 | Son | — | Iowa |
| 73 | Ella Peterson | 9 | Daughter | — | Iowa |
| 74 | Clara Peterson THIS PERSON | 5 | Daughter | — | Iowa |
| 75 | Walter Peterson | 2 | Son | — | Iowa |
| 76 | Thos Peterson | 53 | Boarder | Laborer | Denmark |
| 77 | Aaron Saut | 47 | Head | Farmer | Germany |
| 78 | Dora Saut | 46 | Wife | — | Germany |
| 79 | Herman Saut | 17 | Son | — | Iowa |
| 80 | John Saut | 12 | Son | — | Iowa |
| 81 | Hans Albertson | 29 | Head | Farmer | Denmark |
| 82 | Anna Albertson | 29 | Wife | — | S Dakota |
| 83 | Arvid Albertson | 6 | Son | — | Iowa |
| 84 | Ephrim Jensen | 20 | Head | Farmer | Iowa |
| 85 | Clara Jensen | 17 | Wife | — | Iowa |
| 86 | John Jensen | 21 | Brother | Farmer | Iowa |
| 87 | Virden Mccall | 44 | Head | Farmer | Missouri |
| 88 | Kate Mccall | 33 | Wife | — | Iowa |
| 89 | Edna Mccall | 14 | Daughter | — | Iowa |
| 90 | Everett Mccall | 11 | Son | — | Iowa |
| 91 | Charlotte Mccall | 10 | Daughter | — | Iowa |
| 92 | Cecelia Mccall | 9 | Daughter | — | Iowa |
| 93 | Norbert Mccall | 6 | Son | — | Iowa |
| 94 | Margaret Mccall | 4 | Daughter | — | Iowa |
| 95 | Geneva Mccall | 3 | Daughter | — | Iowa |
| 96 | Gaylord Mccall | 1 | Son | — | Iowa |
| 97 | Arthur Gentry | 26 | Head | Farmer | British England |
| 98 | Elsie Gentry | 22 | Sister | — | British England |
| 99 | Dan Mcmullen | 49 | Head | Farmer | Iowa |
| 100 | Kate Mcmullen | 51 | Sister | — | Iowa |
Related Census Records
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)