CR
Charles Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lee-County, Iowa
Our Model Tree links this Charles Robinson across the 1920, 1930 and 1940 US Censuses in Lee-County, Iowa (XGBoost, ~Confirmed), with identified parents Annie & Thos — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Iowa |
| Surname | Robinson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Keokuk city |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Occupation | Laborer |
| Industry | Truck driver |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Keokuk City |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Guy Robinson | Head | — | 52 | ~1888 |
| Dickie Robinson | Other | — | 3 | ~1937 |
| Nola Robinson | Other | — | 22 | ~1918 |
| Charles Robinson | Son | — | 26 | ~1914 |
| Annie Robinson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Lee, Iowa
Son, age 7
Lee, Iowa · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Lee, Iowa
Son, age 17
Lee, Iowa · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Charlie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Occupation | laborer |
| Industry | transfer co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Lee-County, Iowa
Son, age 26
Lee-County, Iowa · implied b. ~1914 — 5 household members
| Surname | Robinson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Keokuk city |
| 1935 Residence (County) | Lee |
| Occupation | Laborer |
| Industry | Truck driver |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | No 7 |
| 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: mother Annie Robinson (~0.92 confidence) and father Thos Robinson (~0.92 confidence) and father Tony Robinson (~0.92 confidence) and father Guy Robinson (~0.92 confidence) and mother Cora Robinson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Annie Robinson
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Thos Robinson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Tony Robinson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Guy Robinson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Cora Robinson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Robinson
Son · 1940 · age 26 · b. ~1914 · 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 — Lee-County, Iowa
Open full size
1940 US Federal Census — Lee-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01174-00508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lem Mccampbell | 67 | Head | Street Cleaner | Missouri |
| 2 | John Johnson | 68 | Friend | Ticket Taker | Missouri |
| 3 | Constantine Vlefas | 43 | Head | Cleaning | Greece |
| 4 | Angela Vlefas | 31 | Wife | — | Greece |
| 5 | Pauline O'Neil | 44 | Head | — | Iowa |
| 6 | Eugene O'Neil | 23 | Son | Office Clerk | Iowa |
| 7 | Mary Margaret O'Neil | 21 | Daughter | Office Clerk | Iowa |
| 8 | Charles Rumbaugh | 27 | Head | Shoe Cutter | Iowa |
| 9 | Melva Rumbaugh | 26 | Wife | Dutery Worker | Missouri |
| 10 | Francis Rumbaugh | 4 | Son | — | — |
| 11 | Peggy Lou Rumbaugh | 1 | Daughter | — | — |
| 12 | Minnie Rumbaugh | 49 | Mother | — | Iowa |
| 13 | Marjorie Rumbaugh | 14 | Sister | — | Illinois |
| 14 | Louis Harper | 33 | Head | Factory Worker | Missouri |
| 15 | Mary Harper | 33 | Wife | — | Missouri |
| 16 | Charles Lee Harper | 9 | Son | — | Iowa |
| 17 | Jerry Eugene Harper | 12 | Son | — | — |
| 18 | Ada Boosman | 55 | Head | Housework | Iowa |
| 19 | Clyde Boosman | 21 | Son | Housework | Iowa |
| 20 | Ada Boosman | 18 | Daughter | — | Iowa |
| 21 | Ann Boosman | 16 | Daughter | — | Iowa |
| 22 | Robert Robinson | 2 | Son | — | — |
| 23 | Anne Anderson | 11 | Daughter | — | Iowa |
| 24 | Guy Robinson | 52 | Head | Construction Work | Missouri |
| 25 | Annie Robinson | 57 | Wife | — | Iowa |
| 26 | Charles Robinson THIS PERSON | 26 | Son | Laborer | Iowa |
| 27 | Nola Robinson | 22 | Daughter-in-law | — | Missouri |
| 28 | Dickie Lee Robinson | 3 | Grandson | — | — |
| 29 | John Thorney | 74 | Head | — | Switzerland |
| 30 | Elizabeth Thorney | 60 | Wife | — | Iowa |
| 31 | Earl Thorney | 28 | Son | Factory Worker | Iowa |
| 32 | Johanna Sheibes | 75 | Head | — | Germany |
| 33 | Edward Gable | 45 | Head | Pipe Fitter | Iowa |
| 34 | Florence Gable | 33 | Wife | — | Iowa |
| 35 | Zella Gable | 14 | Daughter | — | Missouri |
| 36 | Norma Gable | 10 | Daughter | — | Iowa |
| 37 | Jeniel Gable | 8 | Daughter | — | Iowa |
| 38 | Chester R. Davis | 26 | Head | Factory Worker | Iowa |
| 39 | June A. Davis | 23 | Wife | — | Iowa |
| 40 | Forest Griffith | 34 | Head | Mill Worker | Oklahoma |
Pedigree Summary
Charles
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 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)