MC
Mary Carr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Miami-County, Ohio
Our Model Tree links this Mary Carr across the 1930 and 1940 US Censuses in Miami-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Miami-County, Ohio |
| Surname | Carr |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lostcreek Twp |
| 1935 Residence (County) | Miami |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Lostcreek Twp |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Patty Carr | Daughter | — | 5 | ~1935 |
| Mary Carr | Daughter | — | 13 | ~1927 |
| Helen Carr | Daughter | — | 3 | ~1937 |
| Edith Carr | Daughter | — | 10 | ~1930 |
| Betty Carr | Daughter | — | 14 | ~1926 |
| Raymond Carr | Head | — | 41 | ~1899 |
| Clifford Carr | Son | — | 16 | ~1924 |
| Robert Carr | Son | — | 17 | ~1923 |
| Raymond Carr | Son | — | 2 | ~1938 |
| Alice Carr | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Miami, Ohio
Daughter, age 2
Miami, Ohio · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Miami-County, Ohio
Daughter, age 13
Miami-County, Ohio · implied b. ~1927 — 10 household members
| Surname | Carr |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lostcreek Twp |
| 1935 Residence (County) | Miami |
| Highest Grade | 7 |
| 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 Carr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carr
Daughter · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Raymond Carr
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Carr
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Carr
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Carr
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patty Carr
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Carr
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Carr
Sibling · 1940 · age 17
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 — Miami-County, Ohio
Open full size
1940 US Federal Census — Miami-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03115-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Carr | 41 | Head | Farm Operator | Ohio |
| 2 | Alice Carr | 36 | Wife | — | Ohio |
| 3 | Robert Carr | 17 | Son | New Worker | Ohio |
| 4 | Clifford Carr | 16 | Son | New Worker | Ohio |
| 5 | Betty Carr | 14 | Daughter | New Worker | Ohio |
| 6 | Mary Carr THIS PERSON | 13 | Daughter | — | Ohio |
| 7 | Edith Carr | 10 | Daughter | — | Ohio |
| 8 | Patty Carr | 5 | Daughter | — | Ohio |
| 9 | Helen Eileen Carr | 3 | Daughter | — | Ohio |
| 10 | Raymond Allen Carr | 2 | Son | — | Ohio |
| 11 | Edward Misenauger | 68 | Head | Farm Operator | Ohio |
| 12 | Myrtle S. Misenauger | 64 | Wife | — | Ohio |
| 13 | Roy Asbury | 29 | Head | Farm Operator | Virginia |
| 14 | Delphia Asbury | 26 | Wife | Housewife | Ohio |
| 15 | Betty Asbury | 10 | Daughter | — | Ohio |
| 16 | Roy Jr. Asbury | 9 | Son | — | Ohio |
| 17 | A. J. Proctor | 58 | Head | Farm Operator | Ohio |
| 18 | Gertrude Proctor | 52 | Wife | — | Ohio |
| 19 | Henry Shadas | 53 | Lodger | Hand | Kentucky |
| 20 | R. S. Cooper | 40 | Head | Farm Operator | Missouri |
| 21 | Mabel Cooper | 37 | Wife | — | Ohio |
| 22 | Evelyn Cooper | 18 | Daughter | Housekeeper | Ohio |
| 23 | Duane Cooper | 17 | Son | Hand | Ohio |
| 24 | Fred Hathaway | 66 | Head | Farm Operator | Ohio |
| 25 | Mary A. Hathaway | 63 | Wife | — | Ohio |
| 26 | Hardas Curtis | 85 | Head | — | Ohio |
| 27 | May Edminston | 59 | Daughter | — | Ohio |
| 28 | Harold Edminston | 26 | Son | Millwright | Ohio |
| 29 | Cloyd Ellerman | 39 | Head | Farm Operator | Ohio |
| 30 | Mildred Ellerman | 37 | Wife | — | Ohio |
| 31 | William Ellerman | 15 | Son | New Worker | Ohio |
| 32 | Jean Ellerman | 10 | Daughter | — | Ohio |
| 33 | Ed Strong | 19 | Brother-in-law | Hand | Ohio |
| 34 | Lawrence Stephenson | 36 | Head | Farm Operator | Ohio |
| 35 | Grace Stephenson | 33 | Wife | — | Ohio |
| 36 | Irene Grace Stephenson | 7 | Daughter | — | Ohio |
| 37 | Carla Stephenson | 3 | Daughter | — | Ohio |
| 38 | Phyllis Stephenson | 1 | Daughter | — | Ohio |
| 39 | Warren Spriggs | 18 | Hand | Farm Hand | Ohio |
| 40 | Robert Plunket | 25 | Head | Roofing | 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)