RT
Robert Todd — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Robert Todd across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents Lee & Luther — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Todd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | m |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | University City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Research clerk |
| Industry | Retail dry goods Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Research Clerk |
| Township / Ward | Glendale City |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Lee Todd | Head | — | 58 | ~1882 |
| Helen Todd | Daughter | — | 27 | ~1913 |
| Robert Todd | Son | — | 23 | ~1917 |
Census Appearances
1920
St Louis, …
Son, age 3
St Louis, Missouri · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 14
St Louis, Missouri · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | Robert T |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Son, age 23
St.-Louis-County, Missouri · implied b. ~1917 — 3 household members
| Surname | Todd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | m |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | University City |
| 1935 Residence (County) | St. Louis |
| Occupation | Research clerk |
| Industry | Retail dry goods Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Robert Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lee Todd (~0.92 confidence) and father Luther Todd (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lee Todd
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Luther Todd
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Todd
Son · 1940 · age 23 · b. ~1917 · Missouri
★ You are viewing this record
Sibling
Helen Todd
Sibling · 1940 · age 27
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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02148-00156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Maas | 45 | Wife | — | Missouri |
| 2 | Carol Maas | 9 | Son | — | Missouri |
| 3 | Elmer Meyer | 36 | Head | Salesman | Missouri |
| 4 | Loretta Meyer | 36 | Wife | — | Missouri |
| 5 | James Meyer | 15 | Son | — | Missouri |
| 6 | Jack Meyer | 7 | Son | — | Missouri |
| 7 | Jill Meyer | 7 | Daughter | — | Missouri |
| 8 | Gerald Selander | 30 | Head | Salesman | Minnesota |
| 9 | Margaret Selander | 27 | Wife | — | Minnesota |
| 10 | Oscar Hagen | 49 | Head | Display Manager | Missouri |
| 11 | Florence Hagen | 48 | Wife | — | Missouri |
| 12 | Janet Hagen | 20 | Daughter | — | Missouri |
| 13 | Lee Todd | 58 | Head | — | Missouri |
| 14 | Helen Todd | 27 | Daughter | Writer | Missouri |
| 15 | Robert Todd THIS PERSON | 23 | Son | Research Clerk | Missouri |
| 16 | Tarelton Redden | 39 | Head | President | Missouri |
| 17 | Jo Redden | 33 | Wife | — | Arkansas |
| 18 | Alvin Vierheller | 49 | Head | Interior Decorator | Illinois |
| 19 | Hilda Vierheller | 50 | Wife | — | Missouri |
| 20 | Marian Vierheller | 21 | Daughter | — | Missouri |
| 21 | Rolly Adams | 33 | Head | Electrical Engineer | Missouri |
| 22 | Mary Jane Adams | 32 | Wife | — | Missouri |
| 23 | Herbert Hartung | 30 | Head | Chemist | Missouri |
| 24 | Ruth Hartung | 31 | Wife | — | Maryland |
| 25 | Phillip Hartung | 1 | Son | — | Missouri |
| 26 | John Cuneo | 40 | Head | Sales Manager | Illinois |
| 27 | Dorothy Cuneo | 32 | Wife | — | Minnesota |
| 28 | John Cuneo | 18 | Son | — | Minnesota |
| 29 | Sharman Cuneo | 17 | Daughter | — | Minnesota |
| 30 | Joseph J. Howard | 35 | Head | Lawyer | Missouri |
| 31 | Mary Howard | 33 | Wife | — | Illinois |
| 32 | Joseph Jr. Howard | 13 | Son | — | Missouri |
| 33 | Carolyn Howard | 2 | Daughter | — | Missouri |
| 34 | Adolph Mathews | 58 | Head | Credit Manager | Illinois |
| 35 | Clara Mathews | 52 | Wife | — | Missouri |
| 36 | Virgil Mc Cattery | 37 | Head | Clerk | Missouri |
| 37 | Dorothy Mc Cattery | 28 | Wife | — | Missouri |
| 38 | Dorsey Wright | 33 | Head | Salesman | Missouri |
| 39 | Judith Wright | 32 | Wife | — | Missouri |
| 40 | Sally Wright | 5 | Daughter | — | Missouri |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 2 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)