RS
Robert Simmons — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Robert Simmons across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 11-person household.
Age 11
b. ~1919
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Simmons |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | University City |
| Est. Birth Year | ~1919 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Edith Simmons | Daughter | — | 17 | ~1913 |
| Lillian Simmons | Daughter | — | 13 | ~1917 |
| Mary Simmons | Daughter | — | 3 | ~1927 |
| Mildred Simmons | Daughter | — | 5 | ~1925 |
| Dorothy Simmons | Daughter | — | 7 | ~1923 |
| Noah Simmons | Head | — | 46 | ~1884 |
| Edward Simmons | Son | — | 9 | ~1921 |
| Edward Simmons | Son | — | 15 | ~1915 |
| Robert Simmons | Son | — | 11 | ~1919 |
| William Simmons | Son | — | 1 | ~1929 |
| Nettie Simmons | Spouse | — | 42 | ~1888 |
Census Appearances
1930
St Louis, …
Son, age 11
St Louis, Missouri · implied b. ~1919 — 11 household members
| Surname | Simmons |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 21
St.-Louis-City-County, Missouri · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Summons |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Occupation | Salesman |
| Industry | Emergency Relief |
| Class of Worker | GW |
| Hours Worked | 6 |
| Income (1939) | 80 |
| Highest Grade | C 2 |
| 1935 Residence | Same House |
| 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 Simmons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Simmons
Son · 1930 · age 11 · b. ~1919 · Missouri
★ You are viewing this record
Sibling
Edward Simmons
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Simmons
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Simmons
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Simmons
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Simmons
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Simmons
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Simmons
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Simmons
Sibling · 1930 · age 13
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
1930 US Federal Census — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1226:1072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Max Gasser | 53 | Head | Contractor | Germany |
| 2 | Ursula Gasser | 53 | Wife | — | Missouri |
| 3 | Marjorie Gasser | 21 | Daughter | — | Missouri |
| 4 | William Bussard | 24 | Son-in-law | Clerk | Missouri |
| 5 | Irene Bussard | 21 | Daughter | — | Missouri |
| 6 | William Jr. Bussard | 0 | Grandson | — | Missouri |
| 7 | Charles Harley | 51 | Head | — | Missouri |
| 8 | Lavina Harley | 46 | Wife | — | Missouri |
| 9 | H. Kabler | 64 | Head | — | Kentucky |
| 10 | L. Kabler | 61 | Wife | — | Missouri |
| 11 | J. H. Kabler | 37 | Son | — | Missouri |
| 12 | L. Kabler | 27 | Daughter | — | Missouri |
| 13 | Lucille Kabler | 11 | Granddaughter | — | Missouri |
| 14 | Noah Simmons | 46 | Head | Laborer | Missouri |
| 15 | Nettie Simmons | 42 | Wife | — | Missouri |
| 16 | Edith Simmons | 17 | Daughter | — | Missouri |
| 17 | Edward Simmons | 15 | Son | — | Missouri |
| 18 | Lillian Simmons | 13 | Daughter | — | Missouri |
| 19 | Robert Simmons THIS PERSON | 11 | Son | — | Missouri |
| 20 | Edward Simmons | 9 | Son | — | Missouri |
| 21 | Dorothy Simmons | 7 | Daughter | — | Missouri |
| 22 | Mildred Simmons | 5 | Daughter | — | Missouri |
| 23 | Mary Simmons | 3 | Daughter | — | Missouri |
| 24 | William Simmons | 1 | Son | — | Missouri |
| 25 | Ernest Williams | 48 | Head | Florist | Nebraska |
| 26 | Edith Williams | 46 | Wife | — | Missouri |
| 27 | Ralph Williams | 20 | Son | — | Missouri |
| 28 | Fred Williams | 15 | Son | — | Missouri |
| 29 | Dorothy Williams | 13 | Daughter | — | Missouri |
| 30 | Leonard Moore | 23 | Son-in-law | Feeder | Missouri |
| 31 | Myrtle Moore | 21 | Daughter | — | Missouri |
| 32 | Phyllis Moore | 1 | Granddaughter | — | Missouri |
| 33 | Anthony Barroca | 34 | Head | Laborer | Italy |
| 34 | Mary Barroca | 25 | Wife | — | Italy |
| 35 | Joe Barroca | 8 | Son | — | Missouri |
| 36 | Sam Barroca | 6 | Son | — | Missouri |
| 37 | Angeline Barroca | 5 | Daughter | — | Missouri |
| 38 | James Barroca | 2 | Son | — | Missouri |
| 39 | Vito Tramatola | 69 | Head | Laborer | Italy |
| 40 | Rose Tramatola | 71 | Wife | — | Italy |
| 41 | Henry Hemsath | 35 | Head | Salesman | Germany |
| 42 | Mary Hemsath | 32 | Wife | — | Missouri |
| 43 | H. Coleman | 71 | Head | Physician | Missouri |
| 44 | Mary Coleman | 31 | Daughter | — | Missouri |
| 45 | Otto Wender | 51 | Head | — | Missouri |
| 46 | Mabel Wender | 51 | Wife | — | Illinois |
| 47 | Carlene Wender | 26 | Daughter | Housekeeper | Illinois |
| 48 | Henry Westermann | 55 | Head | — | Missouri |
| 49 | Catherine Westermann | 48 | Wife | — | Missouri |
| 50 | Mary Westermann | 18 | Daughter | — | Missouri |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)