GJ
Gertrude Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Rock Island, Illinois
Our Model Tree links this Gertrude Johnson across the 1900, 1910 and 1920 US Censuses in Rock Island, Illinois (XGBoost, ~Confirmed), with identified parents Selma & Alma — first a daughter (b.~1891), then head of a 8-person household.
Age 29
b. ~1891
Female
Daughter
Born: Sweden
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Rock Island, Illinois |
| Surname | Johnson |
| Given Name | Gertrude |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1891 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Department Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1896 |
| Birthplace (normalized) | sweden |
| Occupation | Bookkeeper |
| Township / Ward | Moline City |
| Est. Birth Year | ~1891 |
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 Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Anna Johnson | Daughter | — | 27 | ~1893 |
| Gertrude Johnson | Daughter | — | 29 | ~1891 |
| Stella Johnson | Daughter | — | 22 | ~1898 |
| Eva Johnson | Daughter | — | 19 | ~1901 |
| John Johnson | Head | — | 55 | ~1865 |
| Hilding Johnson | Son | — | 17 | ~1903 |
| Arvid Johnson | Son | — | 25 | ~1895 |
| Alma Johnson | Spouse | — | 60 | ~1860 |
Census Appearances
1900
Rock Island, …
Daughter, age 10
Rock Island, Illinois · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gertrude E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Sweden |
| Birth Month | Nov |
| Birth Year | 1890 |
| Year of Immigration | 1891 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1910
Rock Island, …
Daughter, age 17
Rock Island, Illinois · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1891 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Saleslady |
| Industry | Department store |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Rock Island, …
Daughter, age 29
Rock Island, Illinois · implied b. ~1891 — 8 household members
| Surname | Johnson |
| Given Name | Gertrude |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1891 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Department Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1896 |
| Birthplace (normalized) | sweden |
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 Johnson across 3 US Census years (1900, 1910 and 1920) in Rock Island, Illinois, using XGBoost record linkage. Identified parents: mother Selma Johnson (~0.92 confidence) and mother Alma Johnson (~0.92 confidence) and father Peter Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and father Theo Johnson (~0.92 confidence) and mother Alice Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Selma Johnson
b. ~1858
Source mother
● Household
· direct · ~0.92
Mother
Alma Johnson
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
Peter Johnson
b. ~1864
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Theo Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Alice Johnson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Johnson
Daughter · 1920 · age 29 · b. ~1891 · Illinois
★ You are viewing this record
Sibling
Stella Johnson
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Johnson
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arvid Johnson
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Johnson
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilding Johnson
Sibling · 1920 · age 17
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 — Rock Island, Illinois
Open full size
1920 US Federal Census — Rock Island, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu402unit:0560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Melvin Webster | 3 | son | None | Illinois |
| 52 | Dorothy Webster | 6 | daughter | None | Illinois |
| 53 | Daniel Webster | 7 | son | None | Illinois |
| 54 | Frances Robinson | 3 | step-daughter | None | Illinois |
| 55 | Ethel Robinson | 5 | step-daughter | None | Illinois |
| 56 | Catherine Robinson | 7 | step-daughter | None | Illinois |
| 57 | Franklin Robinson | 9 | step-son | None | Illinois |
| 58 | Dorothy Robinson | 10 | step-daughter | None | Illinois |
| 59 | Lyman Robinson | 21 | step-son | Teamster | Virginia |
| 60 | George Webster | 69 | father | None | Illinois |
| 61 | John Utterdahl | 52 | Head | Carpenter | Sweden |
| 62 | Hulda Utterdahl | 47 | wife | None | Sweden |
| 63 | Harold Utterdahl | 16 | son | Machinist | Illinois |
| 64 | Florence Utterdahl | 11 | daughter | None | Illinois |
| 65 | Hugo Hallgren | 47 | Head | Foreman | Sweden |
| 66 | Alma C. Hallgren | 42 | wife | None | Sweden |
| 67 | Nils Hallgren | 15 | son | None | Illinois |
| 68 | Roy Hallgren | 19 | son | Machinist | Illinois |
| 69 | Clarence Hallgren | 21 | son | Machine Operator | Illinois |
| 70 | Marten Engwall | 33 | Head | Carpenter | Sweden |
| 71 | Florence Engwall | 26 | wife | None | Illinois |
| 72 | James Engwall | 12 | daughter | None | Illinois |
| 73 | Paul Engwall | 6 | daughter | None | Canada |
| 74 | James L. Poston | 39 | Head | Lather | Illinois |
| 75 | Ida Poston | 36 | wife | None | Illinois |
| 76 | Ralph L. Poston | 11 | son | None | Illinois |
| 77 | Roy Poston | 17 | son | None | Illinois |
| 78 | John E. Johnson | 55 | Head | Grinder | Sweden |
| 79 | Alma Johnson | 60 | wife | None | Sweden |
| 80 | Hilding Johnson | 17 | son | None | Illinois |
| 81 | Eva Johnson | 19 | daughter | None | Illinois |
| 82 | Stella Johnson | 22 | daughter | Bookkeeper | Illinois |
| 83 | Arvid Johnson | 25 | son | Blacksmith | Illinois |
| 84 | Anna Johnson | 27 | daughter | Saleslady | Illinois |
| 85 | Gertrude Johnson THIS PERSON | 29 | daughter | Bookkeeper | Sweden |
| 86 | Carl G. Hultman | 67 | Head | Handy-Man | Sweden |
| 87 | Ida Hultman | 50 | wife | None | Sweden |
| 88 | Dewey Hultman | 21 | son | Repair Man | Illinois |
| 89 | Edwin Hultman | 22 | son | Repair Man | Illinois |
| 90 | Enoch Peterson | 52 | Head | Welder | Sweden |
| 91 | Tilda Peterson | 42 | wife | None | Sweden |
| 92 | Ruth M. Peterson | 5 | daughter | None | Illinois |
| 93 | Myron D. Peterson | 2 | son | None | Illinois |
| 94 | Charles Burkhardt | 52 | Head | Body Maker | Wisconsin |
| 95 | Carrie Burkhardt | 44 | wife | None | Iowa |
| 96 | Fred Burkhardt | 21 | son | Machinist | Iowa |
| 97 | Oscar H. Dodge | 49 | Head | Broker | New York |
| 98 | Candace Dodge | 44 | wife | None | Illinois |
| 99 | Leonard Hanson | 34 | Head | Draftsman | Illinois |
| 100 | Elizabeth Hanson | 31 | wife | None | Illinois |
Related Census Records
Pedigree Summary
Gertrude + 5 siblings
Gen 1 · 6 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)