MC
Mary Cannon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this Mary Cannon across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Cannon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | Wholesale |
| Industry | PW |
| Class of Worker | 780 |
| Highest Grade | H-4 |
| 1935 Residence | 44 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Wholesale |
| Township / Ward | Columbus |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Cannon | Head | — | 55 | ~1885 |
| Josephine Cannon | Spouse | — | 53 | ~1887 |
| Ann Cannon | Daughter | — | 19 | ~1921 |
| Mary Cannon | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Franklin, Ohio
Daughter, age 1
Franklin, Ohio · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Daughter, age 11
Franklin, Ohio · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Daughter, age 21
Franklin-County, Ohio · implied b. ~1919 — 4 household members
| Surname | Cannon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Occupation | Wholesale |
| Industry | PW |
| Class of Worker | 780 |
| Highest Grade | H-4 |
| 1935 Residence | 44 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Mary Cannon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Cannon (~0.92 confidence) and father Joseph Cannon (~0.92 confidence) and father Joseph Cannon (~0.92 confidence) and mother Eleanor Cannon (~0.92 confidence) and mother Josephine Cannon (~0.92 confidence) and mother Josephine Cannon (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Cannon
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Joseph Cannon
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Joseph Cannon
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Eleanor Cannon
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Josephine Cannon
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Josephine Cannon
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Cannon
Daughter · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Ann Cannon
Sibling · 1940 · age 19
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 — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03242-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Curtis B. Harmon | 28 | Head | Printing Press | Ohio |
| 2 | Mildred Harmon | 27 | Wife | — | Ohio |
| 3 | Harold Kidwell | 46 | Head | School | Ohio |
| 4 | Margie Kidwell | 43 | Wife | — | Ohio |
| 5 | Robert Kidwell | 21 | Son | Retail Ice Cream | Ohio |
| 6 | Harold Jr. Kidwell | 16 | Son | Retail Food Store | Ohio |
| 7 | Thomas Kidwell | 14 | Son | — | Ohio |
| 8 | William Kidwell | 9 | Son | — | Ohio |
| 9 | Joan Kidwell | 6 | Daughter | — | Ohio |
| 10 | Jerry Kidwell | 5 | Son | — | Ohio |
| 11 | Michael Kidwell | 3 | Son | — | Ohio |
| 12 | Muriel Edward | 21 | Head | Filling Station | Indiana |
| 13 | Ilene O. Edward | 17 | Wife | — | Ohio |
| 14 | Anna Cannon | 75 | Head | — | Ohio |
| 15 | Catherine Cannon | 63 | Sister | — | Pennsylvania |
| 16 | Sadie Cannon | 59 | Sister | — | Ohio |
| 17 | Renick Hamilton | 31 | Head | Plumbing Co | Ohio |
| 18 | Eleanor Hamilton | 28 | Wife | General Office | Ohio |
| 19 | Jean Hamilton | 8 | Daughter | — | Ohio |
| 20 | Joan Hamilton | 4 | Daughter | — | Ohio |
| 21 | Nora S. Mccabe | 74 | Grandmother | — | Ohio |
| 22 | Joseph Cannon | 55 | Head | County Office | Ohio |
| 23 | Josephine Cannon | 53 | Wife | — | Ohio |
| 24 | Mary Cannon THIS PERSON | 21 | Daughter | Wholesale | Ohio |
| 25 | Ann Cannon | 19 | Daughter | Printing Co | Ohio |
| 26 | Estilla D. Legg | 70 | Head | — | Ohio |
| 27 | George Legg | 48 | Son | — | Ohio |
| 28 | John D. Krauss | 58 | Head | Printing Co | Ohio |
| 29 | Lena Krauss | 49 | Wife | — | Ohio |
| 30 | Homer Raymond | 44 | Head | Barber Shop | Ohio |
| 31 | Goldie Raymond | 35 | Wife | — | Ohio |
| 32 | Stanton Long | 59 | Head | Plumbing Co | Ohio |
| 33 | Myrtle Long | 57 | Wife | — | Ohio |
| 34 | Alice S. Long | 36 | Daughter | General Office | Ohio |
| 35 | Robert Long | 23 | Son | Wholesale Hardware | Ohio |
| 36 | Laurabelle Long | 20 | Daughter | — | Ohio |
| 37 | Richard Long | 18 | Son | — | Ohio |
| 38 | Charles Kraft | 35 | Head | News Del Co | Ohio |
| 39 | Marie Kraft | 31 | Wife | — | Ohio |
| 40 | Lois M. Kraft | 5 | Daughter | — | Ohio |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)