CR
Charles Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dallas-County, Iowa
Our Model Tree links this Charles Robinson across the 1920, 1930 and 1940 US Censuses in Dallas-County, Iowa (XGBoost, ~Confirmed), with identified parents Gilbert & Siebert — first a head (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Iowa |
| Surname | Robinson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Adel Twp |
| 1935 Residence (County) | Dallas |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farming |
| Township / Ward | Adel Twp |
| Est. Birth Year | ~1912 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Robinson | Daughter | — | 5 | ~1935 |
| Patricia Robinson | Daughter | — | 7 | ~1933 |
| Charles Robinson | Head | — | 28 | ~1912 |
| Edna Robinson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Dallas, Iowa
Son, age 7
Dallas, Iowa · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Charles B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| 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 |
1930
Dallas, Iowa
Son, age 18
Dallas, Iowa · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Charles B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farm Helper |
| Industry | Farm General |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dallas-County, Iowa
Head, age 28
Dallas-County, Iowa · implied b. ~1912 — 4 household members
| Surname | Robinson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Adel Twp |
| 1935 Residence (County) | Dallas |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | H-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 Charles Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gilbert Robinson (~0.92 confidence) and father Siebert Robinson (~0.92 confidence) and mother Ada Robinson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gilbert Robinson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Siebert Robinson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Ada Robinson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Robinson
Head · 1940 · age 28 · b. ~1912 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Dallas-County, Iowa
Open full size
1940 US Federal Census — Dallas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01153-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Johnson | 63 | Head | Manager | Illinois |
| 2 | Nelli Johnson | 61 | Wife | — | Iowa |
| 3 | Mildred Johnson | 21 | Daughter | — | Iowa |
| 4 | Edward Hooper | 70 | Head | Retired | Ohio |
| 5 | Ada Hooper | 68 | Wife | — | Iowa |
| 6 | Bessie Hooper | 43 | Daughter | — | Iowa |
| 7 | Charles Hooper | 33 | Son | Farmer | Iowa |
| 8 | Helen Hooper | 31 | Law-in-law | — | Iowa |
| 9 | Charles Jr Hooper | 5 | Son | — | Iowa |
| 10 | Jerry Hooper | 3 | Son | — | Iowa |
| 11 | Agnes Thatcher | 56 | Head | Manager | Indiana |
| 12 | Ernest Lague | 48 | Brother | Laborer | Indiana |
| 13 | Charles J Cadwell | 54 | Head | Farmer | Iowa |
| 14 | Viola Cadwell | 49 | Wife | — | Iowa |
| 15 | Floyd Cadwell | 14 | Son | — | Iowa |
| 16 | Phyllis Cadwell | 13 | Daughter | — | Iowa |
| 17 | Lester Cadwell | 10 | Son | — | Iowa |
| 18 | Robert S Cadwell | 8 | Son | — | Iowa |
| 19 | Henry O Hawbaker | 57 | Head | Farmer | Iowa |
| 20 | Sarah Hawbaker | 53 | Sister | — | Iowa |
| 21 | Samuel Hawbaker | 48 | Brother | Laborer | Iowa |
| 22 | David O Hawbaker | 23 | Head | Laborer | Iowa |
| 23 | Charlene Hawbaker | 26 | Wife | — | Iowa |
| 24 | Caroline Hawbaker | 1 | Daughter | — | Iowa |
| 25 | Clarence Johnson | 29 | Head | Farming | Iowa |
| 26 | Ruth Johnson | 25 | Wife | — | Iowa |
| 27 | Kermit Johnson | 5 | Son | — | Iowa |
| 28 | Karen Johnson | 4 | Daughter | — | Iowa |
| 29 | Charles Robinson THIS PERSON | 28 | Head | Farming | Iowa |
| 30 | Edna Robinson | 26 | Wife | — | Iowa |
| 31 | Patricia Robinson | 7 | Daughter | — | Iowa |
| 32 | Marilyn Robinson | 5 | Daughter | — | Iowa |
| 33 | Menno Stauffer | 73 | Head | Farming | Ohio |
| 34 | Leona Hawbaker | 53 | Daughter | — | Illinois |
| 35 | James Brown | 44 | Head | Farming | Missouri |
| 36 | Mary Brown | 42 | Wife | — | Missouri |
| 37 | Barbara Brown | 18 | Daughter | Waitress | Iowa |
| 38 | James A Reed | 72 | Father | — | Kentucky |
| 39 | William A Henry | 49 | Head | Farming | Iowa |
| 40 | Lona Henry | 40 | Wife | — | Iowa |
Pedigree Summary
Charles
Gen 1 · 3 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)