WC
William Cannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this William Cannon across the 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Cannon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Brunswick Town |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Garel Cannon | Head | — | 39 | ~1901 |
| Cleo Cannon | Spouse | — | 31 | ~1909 |
| Clifford Cannon | Son | — | 18 | ~1922 |
| Robert Cannon | Son | — | 14 | ~1926 |
| Dorothy Cannon | Daughter | — | 12 | ~1928 |
| William Cannon | Son | — | 17 | ~1923 |
Census Appearances
1930
Frederick, Maryland
Son, age 7
Frederick, Maryland · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Son, age 17
Frederick-County, Maryland · implied b. ~1923 — 6 household members
| Surname | Cannon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 17 · b. ~1923 · Maryland
★ You are viewing this record
Sibling
Dorothy Cannon
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Cannon
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cannon
Sibling · 1940 · age 14
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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00650)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Shauless | 10 | Grandson | — | West Virginia |
| 42 | Ernest Lloyd | 56 | Head | Brakeman | Maryland |
| 43 | Cora Lloyd | 50 | Wife | — | Maryland |
| 44 | Virginia Lloyd | 29 | Daughter | — | Maryland |
| 45 | Ernest Lloyd | 23 | Son | Helper | Maryland |
| 46 | Ronald Moler | 32 | Head | Fireman | Maryland |
| 47 | Archie Moler | 50 | Head | Conductor | West Virginia |
| 48 | Leviah Moler | 50 | Wife | — | Maryland |
| 49 | Lorraine Moler | 21 | Daughter | — | Maryland |
| 50 | Richard Moler | 15 | Son | — | Maryland |
| 51 | Donald Moler | 13 | Son | — | Maryland |
| 52 | Eleanor Moler | 10 | Daughter | — | Maryland |
| 53 | Charlotte Moler | 5 | Daughter | — | Maryland |
| 54 | Ernest Baker | 52 | Head | Conductor | Virginia |
| 55 | Carrie Baker | 49 | Wife | — | Indiana |
| 56 | Doris Baker | 12 | Daughter | — | Maryland |
| 57 | Floyd Forrest | 39 | Head | Laborer | Maryland |
| 58 | Bessie Forrest | 36 | Housekeeper | Housekeeper | Maryland |
| 59 | Donald Forrest | 8 | Son | — | Maryland |
| 60 | Leroy Forrest | 6 | Son | — | Maryland |
| 61 | James H. Thompson | 60 | Head | Conductor | Virginia |
| 62 | Annie Thompson | 64 | Wife | — | Maryland |
| 63 | Marie Thompson | 35 | Daughter | — | Maryland |
| 64 | Eleanor Forrest | 30 | Head | Clerk | Maryland |
| 65 | Helena Forrest | 29 | Wife | — | Maryland |
| 66 | John Forrest | 12 | Son | — | Maryland |
| 67 | Doris Forrest | 11 | Daughter | — | Maryland |
| 68 | Leda Woods | 51 | Head | — | Maryland |
| 69 | Helen M. Woods | 52 | Daughter | — | Maryland |
| 70 | Morris Woods | 22 | Daughter | — | Maryland |
| 71 | Daniel Woods | 16 | Son | — | Maryland |
| 72 | Donald Woods | 12 | Grandson | — | Maryland |
| 73 | Garel Cannon | 39 | Head | Supervisor | Maryland |
| 74 | Cleo Cannon | 31 | Wife | — | Maryland |
| 75 | Clifford Cannon | 18 | Son | Laborer | Maryland |
| 76 | William Cannon THIS PERSON | 17 | Son | — | Maryland |
| 77 | Robert Cannon | 14 | Son | — | Maryland |
| 78 | Dorothy Cannon | 12 | Daughter | — | Maryland |
| 79 | Melard Thompson | 49 | Head | Operator | West Virginia |
| 80 | Jennie Thompson | 54 | Wife | — | West Virginia |
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)