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Peter Peterson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Pottawattamie, Iowa
Our Model Tree links this Peter Peterson across the 1920, 1930 and 1940 US Censuses in Pottawattamie, Iowa (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 4-person household.
Age 50
b. ~1870
Male
Head
Born: Denmark
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Pottawattamie, Iowa |
| Surname | Peterson |
| Given Name | Peter P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Foreman |
| Industry | Lumber Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Foreman |
| Township / Ward | Council Bluffs |
| Est. Birth Year | ~1870 |
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 1920 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Esther Peterson | Daughter | — | 1 | ~1919 |
| Peter Peterson | Head | — | 50 | ~1870 |
| Marvin Peterson | Son | — | 5 | ~1915 |
| Glenna Peterson | Spouse | — | 29 | ~1891 |
Census Appearances
1920
Pottawattamie, Iowa
Head, age 50
Pottawattamie, Iowa · implied b. ~1870 — 4 household members
| Surname | Peterson |
| Given Name | Peter P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Foreman |
| Industry | Lumber Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1930
Pottawattamie, Iowa
Head, age 60
Pottawattamie, Iowa · implied b. ~1870 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Peter P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 41 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Yard man |
| Industry | Lumber co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Veteran | No |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Pottawattamie-County, Iowa
Head, age 70
Pottawattamie-County, Iowa · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Peter P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Council Bluffs |
| 1935 Residence (County) | Pottawattamie |
| Naturalization Status | Naturalized |
| Highest Grade | H 4 |
| 1935 Residence | Iowa |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Peter Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Peter Peterson
Head · 1920 · age 50 · b. ~1870 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Pottawattamie, Iowa
Open full size
1920 US Federal Census — Pottawattamie, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu510unit:1037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter P Peterson THIS PERSON | 50 | Head | Foreman | Denmark |
| 2 | Glenna M Peterson | 29 | Wife | None | Iowa |
| 3 | Marvin L Peterson | 5 | Son | None | Iowa |
| 4 | Esther L Peterson | 1 | Daughter | None | Iowa |
| 5 | Charlotte Johnson | 66 | Head | None | Sweden |
| 6 | Harry J Johnson | 31 | Son | None | Iowa |
| 7 | Richard J Brown | 47 | Head | Carpenter | Missouri |
| 8 | Margaret J Brown | 44 | Wife | Carpenter | Virginia |
| 9 | William C Brown | 19 | Son | Helper | Nebraska |
| 10 | Oliver A Brown | 12 | Son | None | Nebraska |
| 11 | Carrie Jensen | 56 | Head | None | Denmark |
| 12 | Andrew Jensen | 36 | Son | Helper | Denmark |
| 13 | Chris Jensen | 25 | Son | Helper | Iowa |
| 14 | Bert E Sherwin | 46 | Head | Brakeman | Vermont |
| 15 | Lulu M Sherwin | 44 | Wife | None | Iowa |
| 16 | Ralph E Sherwin | 18 | Son | Farmer | Iowa |
| 17 | Roland R Sherwin | 16 | Son | None | Iowa |
| 18 | Arthur E Sherwin | 14 | Son | None | Iowa |
| 19 | Colvin L Sherwin | 83 | Father | None | Vermont |
| 20 | Claude Elderkin | 31 | Head | Driver | Missouri |
| 21 | Grace Elderkin | 31 | Wife | Saleslady | Nebraska |
| 22 | Martha Stilwell | 75 | Grandmother | None | Virginia |
| 23 | Jens Olsen | 54 | Head | Night Watch | Norway |
| 24 | Mary Olsen | 54 | Wife | None | Germany |
| 25 | William J Kautter | 33 | Head | Helper | New York |
| 26 | Virgil M Kautter | 32 | Wife | Clerk | Kansas |
| 27 | William J Kautter | 7 | Son | None | Iowa |
| 28 | David E Kautter | 6 | Son | None | Iowa |
| 29 | Elizabeth Garrett | 43 | Aunt | Helper | Kansas |
| 30 | Ed Roarty | 35 | Head | Clerk | California |
| 31 | Flora Roarty | 34 | Wife | None | Iowa |
| 32 | Merle E Roarty | 11 | Son | None | Iowa |
| 33 | Donald E Roarty | 3 | Son | None | Iowa |
| 34 | Glenn Mundenhall | 0 | Nephew | None | Nebraska |
| 35 | Francis C Smith | 38 | Head | Repair Man | Tennessee |
| 36 | Katie L Smith | 38 | Wife | None | Iowa |
| 37 | Donald F Smith | 12 | Son | None | Missouri |
| 38 | Wayne J Smith | 6 | Son | None | Missouri |
| 39 | William H Ralph | 46 | Head | Laborer | Illinois |
| 40 | Mary A Ralph | 45 | Wife | None | Iowa |
| 41 | Clair M Ralph | 20 | Daughter | Stenographer | Iowa |
| 42 | William E Ralph | 17 | Son | Laborer | Iowa |
| 43 | Donald E Ralph | 13 | Son | None | Iowa |
| 44 | Helen A Ralph | 11 | Daughter | None | Iowa |
| 45 | Lillian Ralph | 9 | Daughter | None | Iowa |
| 46 | Marjorie B Ralph | 6 | Daughter | None | Iowa |
| 47 | Kathryn Ralph | 4 | Daughter | None | Iowa |
| 48 | Barba G Ralph | 2 | Daughter | None | Iowa |
| 49 | Hans W Anderson | 50 | Head | Carpenter | Illinois |
| 50 | Minnie M Anderson | 47 | Wife | None | Illinois |
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)