OJ
Oliver Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cedar, Iowa
Our Model Tree links this Oliver Johnson across the 1900, 1910 and 1920 US Censuses in Cedar, Iowa (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 5-person household.
Age 48
b. ~1872
Male
Head
Born: Iowa
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cedar, Iowa |
| Surname | Johnson |
| Given Name | Oliver S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Auctioneer |
| Industry | Live Stock |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Auctioneer |
| Township / Ward | Tipton City |
| Est. Birth Year | ~1872 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Alexander Johnson | Son | — | 21 | ~1899 |
| Laurel Johnson | Daughter | — | 5 | ~1915 |
| Oliver Johnson | Head | — | 48 | ~1872 |
| Esther Johnson | Daughter | — | 16 | ~1904 |
| Margaret Johnson | Spouse | — | 42 | ~1878 |
Census Appearances
1900
Cedar, Iowa
Head, age 29
Cedar, Iowa · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| Birth Month | Nov |
| Birth Year | 1871 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Cedar, Iowa
Head, age 38
Cedar, Iowa · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Cedar, Iowa
Head, age 48
Cedar, Iowa · implied b. ~1872 — 5 household members
| Surname | Johnson |
| Given Name | Oliver S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Occupation | Auctioneer |
| Industry | Live Stock |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| 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 Oliver Johnson across 3 US Census years (1900, 1910 and 1920) in Cedar, Iowa, using XGBoost record linkage.
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This person
Anchor record
Oliver Johnson
Head · 1920 · age 48 · b. ~1872 · 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 — Cedar, Iowa
Open full size
1920 US Federal Census — Cedar, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu482unit:0668)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clifford W. Wallick | 48 | Head | Retail Merchant | Iowa |
| 2 | Minnie M. Wallick | 48 | Wife | — | Iowa |
| 3 | Annette B. Wallick | 14 | Daughter | — | Iowa |
| 4 | Fred Buckingham | 45 | Head | Retail Merchant | Wisconsin |
| 5 | Marion N. Buckingham | 24 | Wife | Retail Merchant | Wisconsin |
| 6 | Robert Loftus | 57 | Head | Patrolman | Iowa |
| 7 | Mary Loftus | 57 | Wife | — | Iowa |
| 8 | Richard Loftus | 23 | Son | Farm Hand | Iowa |
| 9 | James Leo Dieckmann | 7 | Nephew | — | Iowa |
| 10 | Harry E. Thompson | 34 | Head | Cashier | Illinois |
| 11 | Blanche Thompson | 34 | Wife | — | S. Dakota |
| 12 | Violet Thompson | 12 | Daughter | — | Illinois |
| 13 | Harold G. Thompson | 7 | Son | — | Illinois |
| 14 | William G. Thompson | 4 | Son | — | Illinois |
| 15 | William M. Furnish | 46 | Head | Doctor | Wisconsin |
| 16 | Jean M. Furnish | 34 | Wife | — | Iowa |
| 17 | Mary E. Furnish | 8 | Daughter | — | Iowa |
| 18 | William M. Furnish | 7 | Son | — | Iowa |
| 19 | Charles R. Whittier | 54 | Head | Farmer | Iowa |
| 20 | Jennie Whittier | 53 | Wife | — | Iowa |
| 21 | Sarah Whittier | 25 | Daughter | Farmer | Iowa |
| 22 | Wilbur L. Whittier | 27 | Son | — | Iowa |
| 23 | Lee D. Mason | 45 | Head | Insurance | Iowa |
| 24 | Rose R. Mason | 45 | Wife | — | Iowa |
| 25 | Virginia H. Mason | 8 | Daughter | — | Iowa |
| 26 | Oliver S. Johnson THIS PERSON | 48 | Head | Auctioneer | Iowa |
| 27 | Margaret D. Johnson | 42 | Wife | — | Iowa |
| 28 | Alexander O. Johnson | 21 | Son | — | Iowa |
| 29 | Esther M. Johnson | 16 | Daughter | — | Iowa |
| 30 | Laurel R. Johnson | 5 | Daughter | — | Iowa |
| 31 | W. Grant Best | 69 | Head | Retired | Iowa |
| 32 | Rosy Best | 65 | Wife | — | Iowa |
| 33 | William Best | 38 | Son | — | Iowa |
| 34 | Harry Best | 28 | Son | — | Iowa |
| 35 | Sarah Stonard | 71 | Head | — | Pennsylvania |
| 36 | Cornelius A. Morehouse | 48 | Head | Farmer | Iowa |
| 37 | Minnie A. Morehouse | 39 | Wife | — | Iowa |
| 38 | Madelle E. Morehouse | 23 | Daughter | — | Iowa |
| 39 | Vernon Morehouse | 18 | Son | — | Iowa |
| 40 | Sarah J. Powers | 60 | Head | — | Wisconsin |
| 41 | Adelia Powers | 40 | Daughter | Laundress | Iowa |
| 42 | Roy E. Powers | 25 | Son | Farm Hand | Iowa |
| 43 | Thomas J. Nauman | 57 | Head | Retired | Virginia |
| 44 | Emma J. Nauman | 52 | Wife | — | Iowa |
| 45 | Elsie M. Nauman | 16 | Daughter | — | Iowa |
| 46 | Dorothy R. Nauman | 11 | Daughter | — | Iowa |
| 47 | Mildred A. Nauman | 9 | Daughter | — | Iowa |
| 48 | Surrilda Sterrett | 55 | Boarder | — | Indiana |
| 49 | William B. Merritt | 37 | Head | Retail Merchant | Iowa |
| 50 | Emma H. Merritt | 29 | 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)