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Gertrude Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sioux-County, Iowa
Our Model Tree links this Gertrude Robinson across the 1920, 1930 and 1940 US Censuses in Sioux-County, Iowa (XGBoost, ~Confirmed), with identified parents Joe & Joe — first a daughter (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sioux-County, Iowa |
| Surname | Robinson |
| Given Name | Gertrude M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Eagle Twp |
| 1935 Residence (County) | Sioux |
| Additional Details | |
| Occupation | Housework |
| Industry | Private Work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 125 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Housework |
| Township / Ward | Eagle Twp |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Lena Robinson | Daughter | — | 31 | ~1909 |
| Gertrude Robinson | Daughter | — | 27 | ~1913 |
| Joseph Robinson | Son | — | 22 | ~1918 |
| Martha Robinson | Daughter | — | 29 | ~1911 |
| Catherine Robinson | Daughter | — | 14 | ~1926 |
| Joe Robinson | Head | — | 64 | ~1876 |
Census Appearances
1920
Sioux, Iowa
Daughter, age 7
Sioux, Iowa · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Gertrude |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Sioux, Iowa
Daughter, age 17
Sioux, Iowa · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Sioux-County, Iowa
Daughter, age 27
Sioux-County, Iowa · implied b. ~1913 — 6 household members
| Surname | Robinson |
| Given Name | Gertrude M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Eagle Twp |
| 1935 Residence (County) | Sioux |
| Occupation | Housework |
| Industry | Private Work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 125 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joe Robinson (~0.92 confidence) and father Joe Robinson (~0.92 confidence) and father Joe Robinson (~0.92 confidence) and mother Archaria Robinson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joe Robinson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Joe Robinson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Joe Robinson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Archaria Robinson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Robinson
Daughter · 1940 · age 27 · b. ~1913 · Iowa
★ You are viewing this record
Sibling
Martha Robinson
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Robinson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Robinson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Robinson
Sibling · 1940 · age 31
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
1940 US Federal Census — Sioux-County, Iowa
Open full size
1940 US Federal Census — Sioux-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01205-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence G. Ver Hoeven | 18 | Son | Farm Labor | Iowa |
| 2 | Anthony Ver Hoeven | 16 | Son | — | Iowa |
| 3 | Merrill D. Ver Hoeven | 8 | Son | — | Iowa |
| 4 | Joe W. Robinson | 64 | Head | Farmer | Netherlands |
| 5 | Lena F. Robinson | 31 | Daughter | — | Iowa |
| 6 | Martha M. Robinson | 29 | Daughter | — | Iowa |
| 7 | Gertrude M. Robinson THIS PERSON | 27 | Daughter | Housework | Iowa |
| 8 | Joseph R. Robinson | 22 | Son | Farm Labor | Iowa |
| 9 | Catherine J. Robinson | 14 | Daughter | — | Iowa |
| 10 | Guy D. Rimmick | 40 | Head | Farmer | Nebraska |
| 11 | Catherine M. Rimmick | 38 | Wife | — | Iowa |
| 12 | Dickie Rimmick | 4 | Son | — | Iowa |
| 13 | John Kruisen | 18 | Head | Farm Labor | South Dakota |
| 14 | Lela M. Kruisen | 17 | Wife | — | Iowa |
| 15 | Ralph C. Jones | 35 | Head | Farmer | Iowa |
| 16 | Lucille D. Jones | 25 | Wife | — | S. Dakota |
| 17 | Lloyd Liston | 23 | Hired hand | Farm Labor | Iowa |
| 18 | Leroy H. Dirks | 28 | Head | Farm Labor | Iowa |
| 19 | Fern D. Dirks | 27 | Wife | — | Iowa |
| 20 | Cordell Dirks | 7 | Son | — | Iowa |
| 21 | Loanne M. Dirks | 5 | Daughter | — | Iowa |
| 22 | Clarence F. Larson | 45 | Head | Farmer | Iowa |
| 23 | Alleda Larson | 30 | Wife | — | Iowa |
| 24 | Marlys J. Larson | 6 | Daughter | — | Iowa |
| 25 | Joe Doerma | 38 | Head | Farmer | Netherlands |
| 26 | Susie W. Doerma | 34 | Wife | — | Iowa |
| 27 | Joe Jr. Doerma | 3 | Son | — | Iowa |
| 28 | Herman R. Jahde | 40 | Head | Farmer | Iowa |
| 29 | Francis E. Jahde | 34 | Wife | — | South Dakota |
| 30 | Louis I. Abbey | 57 | Head | Farmer | Iowa |
| 31 | Jean Abbey | 61 | Wife | — | Iowa |
| 32 | Gillard D. Doughty | 30 | Head | Farm Labor | Nebraska |
| 33 | Ida H. Doughty | 27 | Wife | — | Iowa |
| 34 | Harry L. Johnson | 25 | Head | Farmer | Iowa |
| 35 | Mathilda K. Johnson | 24 | Wife | — | Iowa |
| 36 | Ardis A. Johnson | 1 | Daughter | — | Iowa |
| 37 | Tony C. Bollingh | 27 | Head | Farm Labor | Iowa |
| 38 | Corrie R. Bollingh | 22 | Wife | — | Iowa |
| 39 | Larry A. Bollingh | 0 | Son | — | Iowa |
| 40 | Ralph W. Gregg | 50 | Head | Farmer | Iowa |
Related Census Records
Pedigree Summary
Gertrude + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)