GZ
George Zimmerman — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cedar, Iowa
Our Model Tree links this George Zimmerman across the 1900, 1910 and 1920 US Censuses in Cedar, Iowa (XGBoost, ~Confirmed) — first a head (b.~1840), then head of a 5-person household.
Age 80
b. ~1840
Male
Head
Born: Ohio
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cedar, Iowa |
| Surname | Zimmerman |
| Given Name | George |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Tipton City |
| Est. Birth Year | ~1840 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| George Zimmerman | Head | — | 80 | ~1840 |
| Ernest Zimmerman | Son | — | 36 | ~1884 |
| Gertrude Zimmerman | Spouse | — | 69 | ~1851 |
| Ella Zimmerman | Other | — | 24 | ~1896 |
| Fred Zimmerman | Son | — | 39 | ~1881 |
Census Appearances
1900
Cedar, Iowa
Head, age 61
Cedar, Iowa · implied b. ~1839 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ohio |
| Birth Month | May |
| Birth Year | 1839 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Cedar, Iowa
Head, age 70
Cedar, Iowa · implied b. ~1840 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmermaker |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Ohio |
| Years Married | 40 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General farm |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Cedar, Iowa
Head, age 80
Cedar, Iowa · implied b. ~1840 — 5 household members
| Surname | Zimmerman |
| Given Name | George |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 George Zimmerman across 3 US Census years (1900, 1910 and 1920) in Cedar, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
George Zimmerman
Head · 1920 · age 80 · b. ~1840 · 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:0673)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Wilfred L. Zimmerman | 35 | wife | — | Iowa |
| 52 | George Zimmerman THIS PERSON | 80 | head | — | Ohio |
| 53 | Gertrude Zimmerman | 69 | wife | — | Ohio |
| 54 | Ernest P. Zimmerman | 36 | son | Farmer | Iowa |
| 55 | Ella M. Zimmerman | 24 | daughter-in-law | — | Iowa |
| 56 | Fred Zimmerman | 39 | son | Farmer | Iowa |
| 57 | Ludwig O. Hendrickson | 37 | head | Retail Merchant | Minnesota |
| 58 | Hattie Hendrickson | 32 | wife | — | Iowa |
| 59 | Roger C. Hendrickson | 4 | son | — | Minnesota |
| 60 | Jared Buck | 58 | head | — | Iowa |
| 61 | Edith M. Buck | 34 | daughter | — | Iowa |
| 62 | Addie Hegarty | 50 | head | — | Iowa |
| 63 | Jessie Hegarty | 45 | partner | — | Iowa |
| 64 | Charles Core | 65 | head | — | Iowa |
| 65 | Margaret A. Core | 57 | wife | — | Iowa |
| 66 | Glenn Core | 29 | son | Farmer | Iowa |
| 67 | Bert Acheltree | 40 | head | Retail Merchant | Iowa |
| 68 | Nettie Acheltree | 39 | wife | — | Iowa |
| 69 | Marian Acheltree | 11 | daughter | — | Iowa |
| 70 | William H. Sheldon | 57 | head | Salesman | Ohio |
| 71 | Maude Sheldon | 48 | wife | — | Missouri |
| 72 | Richard H. Sheldon | 10 | son | — | Iowa |
| 73 | Frank L. Sheldon | 76 | head | Retired | New York |
| 74 | Bessie Sheldon | 40 | wife | — | Michigan |
| 75 | Arthur A. Tracht | 48 | head | Farmer | Iowa |
| 76 | Maggie Tracht | 45 | wife | — | Iowa |
| 77 | Wilbur Tracht | 13 | son | — | Iowa |
| 78 | Helen Tracht | 8 | daughter | — | Iowa |
| 79 | Marsh Parsons | 53 | head | Retail Merchant | Iowa |
| 80 | Jennie Parsons | 100 | wife | — | Michigan |
| 81 | Joseph D. Reid | 54 | head | Retail Merchant | Iowa |
| 82 | Katherine M. Reid | 49 | wife | — | Iowa |
| 83 | Katherine Lang | 77 | boarder | — | Bavaria |
| 84 | Russell P. Keller | 45 | head | Clerk | Pennsylvania |
| 85 | Margaret J. Keller | 46 | wife | — | Ohio |
| 86 | Charles Keller | 63 | boarder | Teamster | Pennsylvania |
| 87 | Louis Schaller | 53 | head | Washer | Iowa |
| 88 | Louise Schaller | 46 | wife | — | New Jersey |
| 89 | William F. Whan | 54 | head | Janitor | Iowa |
| 90 | Anna Whan | 55 | wife | Laundress | Iowa |
| 91 | Herbert Richards | 22 | roomer | Grading | Iowa |
| 92 | William Dawson | 53 | head | Laborer | Scotland |
| 93 | Sidney J. Kook | 50 | head | Proprietor | England |
| 94 | Janet Kook | 50 | wife | — | Illinois |
| 95 | Delric Bluffell | 62 | head | — | Iowa |
| 96 | Emma Bluffell | 55 | partner | — | Iowa |
| 97 | Mary Bluffell | 60 | boarder | — | Iowa |
| 98 | Fred Sherwood | 34 | head | Chauffeur | Iowa |
| 99 | Winifred Sherwood | 30 | wife | — | Iowa |
| 100 | Helen G. Sherwood | 9 | daughter | — | 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)