GR
Gertrude Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Gertrude Robinson across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Fred & Edna — first a daughter (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Robinson |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Clerk |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1894 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Robinson | Daughter | — | 46 | ~1894 |
| Burdean Robinson | Daughter | — | 46 | ~1894 |
| Edna Robinson | Spouse | — | 78 | ~1862 |
| Fred Robinson | Head | — | 53 | ~1887 |
Census Appearances
1920
Polk, Iowa
Other, age 24
Polk, Iowa · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Gertrude |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Clerk & Bookkeeper |
| Industry | Drug Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Other, age 35
Polk, Iowa · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Gertrude S |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Daughter, age 46
Polk-County, Iowa · implied b. ~1894 — 4 household members
| Surname | Robinson |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | Hs 3 |
| 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 Fred Robinson (~0.60 confidence) and mother Edna Robinson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Father
Fred Robinson
b. ~1887
Source father
● Household
· direct · ~0.6
Mother
Edna Robinson
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Robinson
Daughter · 1940 · age 46 · b. ~1894 · Iowa
★ You are viewing this record
Sibling
Burdean Robinson
Sibling · 1940 · age 46
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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01193-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Maurice Halladay | 24 | Son | — | Iowa |
| 42 | Geraldine Tiaden | 25 | Maid | — | Iowa |
| 43 | Charles Erickson | 55 | Head | Manager | Iowa |
| 44 | Velta Erickson | 52 | Wife | — | Nebraska |
| 45 | Clarence Erickson | 17 | Son | Messenger | Iowa |
| 46 | Charles Jr. Erickson | 13 | Son | — | Iowa |
| 47 | Clyde Needham | 48 | Lodger | — | Iowa |
| 48 | Everett Flood | 40 | Lodger | — | Iowa |
| 49 | Harry Mcconachie | 46 | Head | Superintendent | Missouri |
| 50 | Charlotte Mcconachie | 31 | Wife | — | Missouri |
| 51 | James Mcconachie | 5 | Son | — | Missouri |
| 52 | Judith Mcconachie | 3 | Daughter | — | Iowa |
| 53 | Ruth Daughn | 19 | Maid | Housekeeper | Iowa |
| 54 | Joseph Chambers | 53 | Head | Insurance | Iowa |
| 55 | Mark Chambers | 19 | Son | — | Iowa |
| 56 | Ruth Hoefle | 24 | Lodger | Nurse | Iowa |
| 57 | W. C. Partridge | 52 | Head | Salesman | N. Carolina |
| 58 | Sue Howell Partridge | 52 | Wife | Manager | Ohio |
| 59 | Margaret L. Partridge | 13 | Daughter | — | Iowa |
| 60 | Elizabeth Burtlinger | 16 | Lodger | — | Iowa |
| 61 | Arthur Jones | 36 | Head | Manager | Wisconsin |
| 62 | Alice Jones | 36 | Wife | — | Iowa |
| 63 | William Jones | 9 | Son | — | Iowa |
| 64 | Josephine Mcintire | 80 | Mother | — | Iowa |
| 65 | Leslie Miller | 73 | Head | Clerk | Indiana |
| 66 | Clara Miller | 74 | Wife | — | Iowa |
| 67 | Ilo Jackson | 30 | Lodger | — | Ohio |
| 68 | Fred Robinson | 53 | Head | Manager | Nebraska |
| 69 | Edna Robinson | 78 | Wife | — | Illinois |
| 70 | Burdean Robinson | 46 | Daughter | Nurse | Iowa |
| 71 | Gertrude Robinson THIS PERSON | 46 | Daughter | Clerk | Iowa |
| 72 | Glenn Barge | 46 | Head | Pharmacist | Illinois |
| 73 | Marie Barge | 42 | Wife | — | Minnesota |
| 74 | Glenn Jr. Barge | 8 | Son | Clerk | Iowa |
| 75 | Bob Barge | 9 | Son | — | Iowa |
| 76 | Margaret Barge | 4 | Daughter | — | Iowa |
| 77 | Michael Hoyle | 54 | Head | Clerk | Kansas |
| 78 | Celia Hoyle | 50 | Wife | — | Illinois |
| 79 | Paul Jr. Hoyle | 20 | Son | Rate Clerk | Illinois |
| 80 | Margaret Hoyle | 22 | Daughter | Clerk | Illinois |
Related Census Records
Pedigree Summary
Gertrude + 1 sibling
Gen 1 · 2 parents
~0.76
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)