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William Simmons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this William Simmons across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Simmons |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | St. Louis (city) |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Industry | 0 |
| Highest Grade | S 3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margie Simmons | Daughter | — | 1 | ~1939 |
| Lela Simmons | Daughter | — | 3 | ~1937 |
| Charleen Simmons | Daughter | — | 9 | ~1931 |
| Wilma Simmons | Daughter | — | 11 | ~1929 |
| Bonnie Simmons | Daughter | — | 13 | ~1927 |
| Charles Simmons | Head | — | 35 | ~1905 |
| William Simmons | Son | — | 11 | ~1929 |
| George Simmons | Son | — | 7 | ~1933 |
| Donald Simmons | Son | — | 5 | ~1935 |
| Mary Simmons | Spouse | — | 30 | ~1910 |
Census Appearances
1930
St Louis, …
Son, age 2
St Louis, Missouri · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | William L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
St.-Louis-City-County, Missouri
Son, age 11
St.-Louis-City-County, Missouri · implied b. ~1929 — 10 household members
| Surname | Simmons |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | St. Louis (city) |
| 1935 Residence (County) | St. Louis City |
| Industry | 0 |
| Highest Grade | S 3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 William Simmons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Simmons
Son · 1940 · age 11 · b. ~1929 · Missouri
★ You are viewing this record
Sibling
Margie Simmons
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Simmons
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lela Simmons
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Simmons
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charleen Simmons
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Simmons
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bonnie Simmons
Sibling · 1940 · 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
1940 US Federal Census — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02187-00276)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Kalapinski | 15 | Son | — | Michigan |
| 42 | Dolores Kalapinski | 11 | Daughter | — | Michigan |
| 43 | Maxine Kalapinski | 9 | Daughter | — | Illinois |
| 44 | Cleda Kalapinski | 7 | Daughter | — | Illinois |
| 45 | John J. Kalapinski | 6 | Son | — | Illinois |
| 46 | Timothy Kalapinski | 3 | Son | — | Missouri |
| 47 | Otie Skaggs | 45 | Head | Stationary Fireman | Missouri |
| 48 | Nellie Mae Skaggs | 45 | Wife | Office Cleaner | Missouri |
| 49 | Robert Skaggs | 15 | Son | — | Missouri |
| 50 | Ralph Skaggs | 22 | Head | Custodian | Missouri |
| 51 | Joy Skaggs | 23 | Wife | Clipper | Illinois |
| 52 | Ronald R. Skaggs | 2 | Son | — | Missouri |
| 53 | Charles Simmons | 35 | Head | Shipper | Kentucky |
| 54 | Mary Simmons | 30 | Wife | — | Kentucky |
| 55 | Bonnie R. Simmons | 13 | Daughter | — | Kentucky |
| 56 | William L. Simmons THIS PERSON | 11 | Son | — | Kentucky |
| 57 | Wilma Simmons | 11 | Daughter | — | Kentucky |
| 58 | Charleen Simmons | 9 | Daughter | — | Missouri |
| 59 | George Simmons | 7 | Son | — | Missouri |
| 60 | Donald Simmons | 5 | Son | — | Missouri |
| 61 | Lela Simmons | 3 | Daughter | — | Missouri |
| 62 | Margie Simmons | 1 | Daughter | — | Missouri |
| 63 | Jonah Oglesby | 37 | Head | Laborer | Alabama |
| 64 | Eleanor Oglesby | 31 | Wife | — | Arkansas |
| 65 | Elsa Oglesby | 20 | Son | Shoe Worker | Alabama |
| 66 | Jacob Eldredge | 65 | Father in law | — | Arkansas |
| 67 | Minnie Wassell | 72 | Lodger | — | Kentucky |
| 68 | John Cleary | 57 | Lodger | Buyer | Missouri |
| 69 | James D. Phillips | 41 | Head | Chauffeur | Indiana |
| 70 | Mildred Phillips | 39 | Wife | — | Missouri |
| 71 | Joseph Schindler | 49 | Head | Lawyer | Missouri |
| 72 | Ralph J. Ross | 50 | Head | Collector | Missouri |
| 73 | Nonna J. Ross | 41 | Wife | — | Missouri |
| 74 | Norman H. Ross | 20 | Son | Shipping Clerk | Missouri |
| 75 | Edward J. Hynes | 65 | Head | Night Watchman | Missouri |
| 76 | Mary Hynes | 65 | Wife | — | Missouri |
| 77 | August Lohrum | 60 | Brother in law | — | Missouri |
| 78 | Joseph Graf | 60 | Lodger | Locksmith | Missouri |
| 79 | H. C. Orton | 60 | Head | Grinder | Nebraska |
| 80 | Lelia Orton | 50 | Wife | — | Nebraska |
Related Census Records
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)