WB
William Boyer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this William Boyer across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 5
b. ~1925
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Boyer |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Frieda Boyer | Daughter | — | 11 | ~1919 |
| Robert Boyer | Son | — | 9 | ~1921 |
| Vernon Boyer | Son | — | 2 | ~1928 |
| Marvin Boyer | Son | — | 7 | ~1923 |
| William Boyer | Son | — | 5 | ~1925 |
| Robert Boyer | Head | — | 41 | ~1889 |
| Grace Boyer | Other | — | 31 | ~1899 |
| Donald Boyer | Son | — | 4 | ~1926 |
Census Appearances
1930
St Louis, …
Son, age 5
St Louis, Missouri · implied b. ~1925 — 8 household members
| Surname | Boyer |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 15
St.-Louis-City-County, Missouri · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bayer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis City |
| 1935 Residence (County) | St Louis City |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| 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 William Boyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Boyer
Son · 1930 · age 5 · b. ~1925 · Missouri
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Sibling
Donald Boyer
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Boyer
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frieda Boyer
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Boyer
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Boyer
Sibling · 1930 · age 2
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
21 people indexed on this census page (ia:1930:missouricensus00reel1240:0978)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert L Boyer | 41 | Head | Helper | Missouri |
| 2 | Grace A Boyer | 31 | Wife-H | None | Missouri |
| 3 | Frieda A Boyer | 11 | Daughter | None | Missouri |
| 4 | Robert L Jr Boyer | 9 | Son | None | Missouri |
| 5 | Marvin L Boyer | 7 | Son | None | Missouri |
| 6 | William C Boyer THIS PERSON | 5 | Son | None | Missouri |
| 7 | Donald E Boyer | 4 | Son | None | Missouri |
| 8 | Vernon C Boyer | 2 | Son | None | Missouri |
| 9 | William M Morse | 34 | Head | Counter Grinder | Missouri |
| 10 | Josephine M Morse | 20 | Wife-H | None | Missouri |
| 11 | Mildred L Morse | 5 | Daughter | None | Missouri |
| 12 | Helen M Koch | 60 | Head-H | None | Wisconsin |
| 13 | Harry Fellner | 40 | Head | Carpenter | Missouri |
| 14 | Florence M Fellner | 38 | Wife-H | None | Missouri |
| 15 | Lawrence H Fellner | 17 | Son | Blocker | Missouri |
| 16 | Helen M Fellner | 14 | Daughter | None | Missouri |
| 17 | Irene M Fellner | 12 | Daughter | None | Missouri |
| 18 | Edward A Fellner | 10 | Son | None | Missouri |
| 19 | Carl Westerby | 37 | Head | Handy Man | Mississippi |
| 20 | Alma Westerby | 36 | Wife-H | None | Illinois |
| 21 | Lucille Wilson | 16 | Daughter | Milliner | 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)