WC
William Cannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Illinois
Our Model Tree links this William Cannon across the 1930 and 1940 US Censuses in Montgomery-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Illinois |
| Surname | Cannon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Coffeen Village |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Coffeen Village |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Roy Cannon | Head | — | 51 | ~1889 |
| Grace Cannon | Spouse | — | 48 | ~1892 |
| Richard Cannon | Son | — | 8 | ~1932 |
| Daniel Cannon | Son | — | 16 | ~1924 |
| William Cannon | Son | — | 13 | ~1927 |
| James Cannon | Son | — | 12 | ~1928 |
| Russell Cannon | Son | — | 15 | ~1925 |
| Joe Cannon | Son | — | 17 | ~1923 |
| Viola Cannon | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Montgomery, Illinois
Son, age 3
Montgomery, Illinois · implied b. ~1927 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Montgomery-County, Illinois
Son, age 13
Montgomery-County, Illinois · implied b. ~1927 — 9 household members
| Surname | Cannon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Coffeen Village |
| 1935 Residence (County) | Montgomery |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Cannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Cannon
Son · 1940 · age 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
James Cannon
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Cannon
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Cannon
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Cannon
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Cannon
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Cannon
Sibling · 1940 · age 16
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 — Montgomery-County, Illinois
Open full size
1940 US Federal Census — Montgomery-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00860-00103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Houghland | 32 | Wife | — | Germany |
| 42 | Harold Knox | 73 | Head | — | Illinois |
| 43 | John Kruse | 75 | Lodger | — | Illinois |
| 44 | William Pratt | 48 | Head | Laborer | Illinois |
| 45 | Hazel Pratt | 25 | Wife | — | Illinois |
| 46 | William A. O'Brien | 61 | Head | Carpenter | Illinois |
| 47 | Anna Dentil O'Brien | 52 | Wife | — | Illinois |
| 48 | Cora Halford | 72 | Mother | — | Indiana |
| 49 | William C. Mclean | 78 | Head | — | Illinois |
| 50 | Martha Mclean | 68 | Wife | — | Illinois |
| 51 | Carl Mclean | 25 | Son | Truck Driver | Illinois |
| 52 | Altha Piper | 39 | Head | — | Illinois |
| 53 | Roy Piper | 13 | Son | — | Illinois |
| 54 | Paul Piper | 9 | Son | — | Illinois |
| 55 | Augusta Piper | 7 | Daughter | — | Illinois |
| 56 | Walter Green | 59 | Head | Tool Checker | Missouri |
| 57 | Walter Cornelison | 58 | Head | Carpenter | Illinois |
| 58 | Hester Cornelison | 53 | Wife | — | Illinois |
| 59 | Edward Moore | 64 | Head | — | Illinois |
| 60 | Katie Moore | 61 | Wife | — | Illinois |
| 61 | Kenneth Moore | 29 | Son | Laborer | Illinois |
| 62 | Harlan Brum | 24 | Head | Teacher | Illinois |
| 63 | Elizabeth Brum | 23 | Wife | Teacher | Illinois |
| 64 | Edward Carlock | 54 | Head | — | Illinois |
| 65 | Lilly Carlock | 51 | Wife | — | Illinois |
| 66 | Hold H. Walter | 73 | Head | — | Indiana |
| 67 | Verl Jones | 28 | Head | Laborer | Illinois |
| 68 | Charlotte Jones | 27 | Wife | — | Illinois |
| 69 | Larry Lee Jones | 5 | Son | — | Illinois |
| 70 | Steve Jones | 52 | Head | Laborer | Illinois |
| 71 | Mayme Jones | 48 | Wife | — | Illinois |
| 72 | Roy Cannon | 51 | Head | Coal Miner | Illinois |
| 73 | Grace Cannon | 48 | Wife | — | Illinois |
| 74 | Joe C. Cannon | 17 | Son | Truck Driver | Illinois |
| 75 | Daniel Cannon | 16 | Son | — | Illinois |
| 76 | Russell Cannon | 15 | Son | — | Illinois |
| 77 | William Cannon THIS PERSON | 13 | Son | — | Illinois |
| 78 | James Cannon | 12 | Son | — | Illinois |
| 79 | Viola Cannon | 10 | Daughter | — | Illinois |
| 80 | Richard Cannon | 8 | Son | — | Illinois |
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)