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Gertrude Lewis — 1920 US Census Record
Model Tree available1920 United States Federal Census · Chickasaw, Iowa
Our Model Tree links this Gertrude Lewis across the 1900, 1910 and 1920 US Censuses in Chickasaw, Iowa (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1899), then head of a 3-person household.
Age 21
b. ~1899
Female
Daughter
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Chickasaw, Iowa |
| Surname | Lewis |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| 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 | New Hampton |
| Est. Birth Year | ~1899 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| John Lewis | Head | — | 57 | ~1863 |
| Gertrude Lewis | Daughter | — | 21 | ~1899 |
| Mattie Lewis | Spouse | — | 46 | ~1874 |
Census Appearances
1900
Chickasaw, Iowa
Daughter, age 3
Chickasaw, Iowa · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Gertrude S. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Sept |
| Birth Year | 1897 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Chickasaw, Iowa
Daughter, age 12
Chickasaw, Iowa · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Chickasaw, Iowa
Daughter, age 21
Chickasaw, Iowa · implied b. ~1899 — 3 household members
| Surname | Lewis |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| 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 |
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 Gertrude Lewis across 3 US Census years (1900, 1910 and 1920) in Chickasaw, Iowa, using XGBoost record linkage. Identified parents: father John Lewis (~0.92 confidence) and father John Lewis (~0.92 confidence) and father John Lewis (~0.92 confidence) and mother Mattie Lewis (~0.92 confidence) and mother Nellie Lewis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lewis
b. ~1862
Source father
● Household
· direct · ~0.92
Father
John Lewis
b. ~1863
Source father
● Household
· direct · ~0.92
Father
John Lewis
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Mattie Lewis
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Nellie Lewis
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Lewis
Daughter · 1920 · age 21 · b. ~1899 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Chickasaw, Iowa
Open full size
1920 US Federal Census — Chickasaw, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu482unit:0470)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Kempin Schumacher | 11 | Son | — | Iowa |
| 52 | William Kennedy | 53 | Head | Proprietor | Minn. |
| 53 | Sarah Kennedy | 44 | Wife | — | Iowa |
| 54 | Gertrude M. Kennedy | 23 | Daughter | Bookkeeper | Iowa |
| 55 | Mildred Kennedy | 19 | Daughter | — | Iowa |
| 56 | Frank J. Kennedy | 18 | Son | — | Iowa |
| 57 | Lois Kennedy | 14 | Daughter | — | Iowa |
| 58 | William J. Kennedy | 9 | Son | — | Iowa |
| 59 | Mary E. Kennedy | 4 | Daughter | — | Iowa |
| 60 | Thomas J. Condon | 51 | Head | Cashier | Iowa |
| 61 | Mary T. Condon | 47 | Wife | — | Iowa |
| 62 | Thelma E. Condon | 15 | Daughter | — | Iowa |
| 63 | James C. Condon | 14 | Son | — | Iowa |
| 64 | Robert C. Condon | 10 | Son | — | Iowa |
| 65 | John H. Condon | 8 | Son | — | Iowa |
| 66 | John P. Haggens | 54 | Head | Proprietor | Iowa |
| 67 | Mary M. Haggens | 46 | Wife | — | Iowa |
| 68 | Frank H. Klubber | 39 | Head | Proprietor | Illinois |
| 69 | Lena A. Klubber | 40 | Wife | — | Iowa |
| 70 | Leona M. Klubber | 14 | Daughter | — | No. Dakota |
| 71 | Mable Klubber | 11 | Sister-in-law | — | No. Dakota |
| 72 | Anna Hockenbrock | 47 | Head | — | Iowa |
| 73 | James Hockenbrock | 19 | Son | Clerk | Iowa |
| 74 | Leo Hockenbrock | 17 | Son | — | Iowa |
| 75 | Robert Hockenbrock | 15 | Son | — | Iowa |
| 76 | Charles Long | 25 | Roomer | Proprietor | Iowa |
| 77 | Robert Edgar | 27 | Head | — | England |
| 78 | Hans Ottson | 32 | Head | Laborer | Iowa |
| 79 | Hattie E. Ottson | 36 | Wife | — | Iowa |
| 80 | Ruby Ottson | 8 | Daughter | — | Iowa |
| 81 | Russell Ottson | 8 | Son | — | Iowa |
| 82 | Charlotte Ottson | 7 | Daughter | — | Iowa |
| 83 | James H. Snyder | 70 | Head | — | Penn. |
| 84 | Lydia A. Snyder | 70 | Wife | — | Penn. |
| 85 | John Lewis | 57 | Head | Laborer | Iowa |
| 86 | Mattie Lewis | 46 | Wife | — | Iowa |
| 87 | Gertrude Lewis THIS PERSON | 21 | Daughter | — | Iowa |
| 88 | Frank J. Conley | 40 | Head | Lawyer | Iowa |
| 89 | Lenora R. Conley | 40 | Wife | — | Wisconsin |
| 90 | Louise R. Conley | 11 | Daughter | — | Iowa |
| 91 | Mary E. Conley | 7 | Daughter | — | Iowa |
| 92 | Margaret Conley | 5 | Daughter | — | Iowa |
| 93 | Regina M. Conley | 2 | Daughter | — | Iowa |
| 94 | Mary Simersall | 40 | Head | — | Iowa |
| 95 | Frank Simersall | 19 | Son | Clerk | Iowa |
| 96 | Leo Simersall | 13 | Son | — | Iowa |
| 97 | Mable Simersall | 10 | Daughter | — | So. Dakota |
| 98 | Anna S. Simersall | 68 | Mother | — | Germany |
| 99 | Egert Larson | 42 | Head | Salesman | Iowa |
| 100 | Grace Larson | 38 | Wife | — | Iowa |
Pedigree Summary
Gertrude
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)