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William Reilly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this William Reilly across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Reilly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kirkwood City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Kirkwood City |
| Est. Birth Year | ~1928 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thomas Reilly | Son | — | 27 | ~1913 |
| William Reilly | Son | — | 12 | ~1928 |
| Bessie Reilly | Spouse | — | 54 | ~1886 |
| Francis Reilly | Son | — | 20 | ~1920 |
| Patrick Reilly | Head | — | 51 | ~1889 |
| Peggy Reilly | Daughter | — | 13 | ~1927 |
Census Appearances
1930
St Louis, …
Son, age 2
St Louis, Missouri · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Son, age 12
St.-Louis-County, Missouri · implied b. ~1928 — 6 household members
| Surname | Reilly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kirkwood City |
| 1935 Residence (County) | St. Louis |
| Highest Grade | No 5 |
| 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 Reilly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Reilly
Son · 1940 · age 12 · b. ~1928 · Missouri
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Sibling
Francis Reilly
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggy Reilly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Reilly
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-t0627-02147-00088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Mary Glaser | 18 | Daughter | — | Missouri |
| 42 | Oscar E. Zimmerman | 39 | Head | Cutter | Missouri |
| 43 | Mary Zimmerman | 27 | Wife | — | Missouri |
| 44 | Theodore W. Schilb | 35 | Head | Chief Chemist | Missouri |
| 45 | Loretto C. Schilb | 30 | Wife | — | Missouri |
| 46 | Theodore P. Schilb | 7 | Son | — | Missouri |
| 47 | Barbara K. Schilb | 5 | Daughter | — | Missouri |
| 48 | William L. Hoeman | 50 | Head | Optician | Missouri |
| 49 | Ida Hoeman | 51 | Wife | — | Missouri |
| 50 | Milton W. Hoeman | 23 | Son | Jewel Repair | Missouri |
| 51 | Dorothea Hoeman | 22 | Daughter | Secretary | Missouri |
| 52 | William Jr. Hoeman | 13 | Son | — | Missouri |
| 53 | Donald Hoeman | 11 | Son | — | Missouri |
| 54 | Floyd S. Edwards | 48 | Head | Salesman | Illinois |
| 55 | Tillie H. Edwards | 44 | Wife | — | Illinois |
| 56 | Reuss Ann Edwards | 8 | Daughter | — | Illinois |
| 57 | Joseph H. Valley | 38 | Head | Small Arms Coach | Michigan |
| 58 | Ruth G. Valley | 37 | Wife | — | Illinois |
| 59 | John F. Muller | 49 | Head | Foreman Mail Clerk | New York |
| 60 | Cecilia Muller | 50 | Wife | — | Missouri |
| 61 | R. Carroll Carruth | 36 | Lodger | Time Keeper Clerk | Louisiana |
| 62 | Patrick H. Reilly | 51 | Head | Carloader | Missouri |
| 63 | Bessie Reilly | 54 | Wife | — | Missouri |
| 64 | Thomas Reilly | 27 | Son | Salesman | Missouri |
| 65 | Francis Reilly | 20 | Son | Office Work | Missouri |
| 66 | Peggy Reilly | 13 | Daughter | — | Missouri |
| 67 | William Reilly THIS PERSON | 12 | Son | — | Missouri |
| 68 | Mamie Smith | 38 | Head | Servant | Arkansas |
| 69 | Frances Shaw | 6 | Daughter | — | Missouri |
| 70 | Adolphus Briggs | 3 | Son | — | Missouri |
| 71 | Josie Caldwell | 75 | Mother | — | Mississippi |
| 72 | Frank Keller | 52 | Head | Night Watchman | Illinois |
| 73 | Anna Keller | 36 | Wife | — | Missouri |
| 74 | Harold Keller | 13 | Son | — | Missouri |
| 75 | Arthur Keller | 11 | Son | — | Missouri |
| 76 | Evelyn Keller | 10 | Daughter | — | Missouri |
| 77 | Franklin Keller | 8 | Son | — | Missouri |
| 78 | Christiana Bopp | 61 | Head | — | Missouri |
| 79 | James Bell | 68 | Lodger | Sexton | Missouri |
| 80 | Bernard Kirchner | 22 | Lodger | Laborer | Missouri |
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)