MC
Mary Charles — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Brown-County, Ohio
Our Model Tree links this Mary Charles across the 1930 and 1940 US Censuses in Brown-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Brown-County, Ohio |
| Surname | Charles |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Union Twp |
| 1935 Residence (County) | Brown |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Union Twp |
| Est. Birth Year | ~1924 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Raymond Boone | Other | — | 20 | ~1920 |
| Edna Charles | Daughter | — | 12 | ~1928 |
| Ruby Charles | Daughter | — | 10 | ~1930 |
| Leona Charles | Spouse | — | 34 | ~1906 |
| Mary Charles | Daughter | — | 16 | ~1924 |
| Harry Charles | Head | — | 41 | ~1899 |
Census Appearances
1930
Brown, Ohio
Daughter, age 6
Brown, Ohio · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Charles |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Brown-County, Ohio
Daughter, age 16
Brown-County, Ohio · implied b. ~1924 — 6 household members
| Surname | Charles |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Union Twp |
| 1935 Residence (County) | Brown |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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 Charles across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Charles
Daughter · 1940 · age 16 · b. ~1924 · Ohio
★ You are viewing this record
Sibling
Edna Charles
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Charles
Sibling · 1940 · age 10
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 — Brown-County, Ohio
Open full size
1940 US Federal Census — Brown-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03031-00577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Chris Peffer | 46 | Head | Farmer | Ohio |
| 42 | Florence O Peffer | 46 | Wife | — | Ohio |
| 43 | Frank Peffer | 19 | Son | Farm Laborer | Ohio |
| 44 | Paul Peffer | 17 | Son | — | Ohio |
| 45 | Josephine Peffer | 16 | Daughter | — | Ohio |
| 46 | Francis Lang | 35 | Brother-in-law | Carpenter | Ohio |
| 47 | William D Dyer | 46 | Head | Farmer | Kentucky |
| 48 | Laura M Dyer | 38 | Wife | — | Ohio |
| 49 | Leland Dyer | 17 | Son | Farm Laborer | Ohio |
| 50 | Betty Lee Dyer | 14 | Daughter | — | Ohio |
| 51 | Jake D Firelis | 76 | Head | Farmer | Germany |
| 52 | Anna Firelis | 77 | Wife | — | Ohio |
| 53 | Mary Firelis | 44 | Daughter | Seamstress | Ohio |
| 54 | John D Schuman | 37 | Head | Farmer | Ohio |
| 55 | Myrthe Schuman | 33 | Wife | — | Ohio |
| 56 | Mary Helen Schuman | 17 | Daughter | Waitress | Ohio |
| 57 | Frank Schuman | 16 | Son | Farm Laborer | Ohio |
| 58 | John J Mitchell | 81 | Head | — | Kentucky |
| 59 | Eliza E Mitchell | 68 | Wife | — | Kentucky |
| 60 | Vern F Mitchell | 37 | Son | Farmer | Ohio |
| 61 | Kate D Liggett | 52 | Head | — | Ohio |
| 62 | Elizabeth Liggett | 82 | Mother | — | Ohio |
| 63 | Almira Liggett | 94 | Aunt | — | Ohio |
| 64 | William H Kennedy | 52 | Head | Farmer | Kentucky |
| 65 | Gustava Kennedy | 47 | Wife | — | Kentucky |
| 66 | Dwell Kennedy | 21 | Son | Farm Laborer | Kentucky |
| 67 | Jeanett Kennedy | 14 | Daughter | — | Kentucky |
| 68 | James E Dayle | 73 | Uncle | — | Kentucky |
| 69 | Harry E Q Charles | 41 | Head | Farmer | Ohio |
| 70 | Leona Charles | 34 | Wife | — | Kentucky |
| 71 | Mary E Charles THIS PERSON | 16 | Daughter | — | Ohio |
| 72 | Edna Charles | 12 | Daughter | — | Ohio |
| 73 | Ruby Charles | 10 | Daughter | — | Ohio |
| 74 | Raymond Boone | 20 | Lodger | Laborer | Kentucky |
| 75 | Charles Meadows | 57 | Head | Farmer | Kentucky |
| 76 | Hattie Meadows | 52 | Wife | — | Kentucky |
| 77 | Eugene Meadows | 12 | Son | — | Ohio |
| 78 | John H Smith | 32 | Head | Automobile Mechanic | Ohio |
| 79 | Leona Smith | 21 | Wife | — | Ohio |
| 80 | Ruth Smith | 8 | Daughter | — | Ohio |
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)