MM
Mary Mckinney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lucas, Ohio
Our Model Tree links this Mary Mckinney across the 1930 and 1940 US Censuses in Lucas, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 2
b. ~1928
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lucas, Ohio |
| Surname | McKinney |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Toledo City |
| Est. Birth Year | ~1928 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Mckinney | Head | — | 53 | ~1877 |
| Eugene Mckinney | Son | — | 5 | ~1925 |
| John Mckinney | Son | — | 13 | ~1917 |
| Nettie Mckinney | Daughter | — | 3 | ~1927 |
| Cornelia Mckinney | Daughter | — | 2 | ~1928 |
| Mary Mckinney | Daughter | — | 2 | ~1928 |
| Ross Mckinney | Son | — | 10 | ~1920 |
| Priscilla Mckinney | Spouse | — | 39 | ~1891 |
| Maude Mckinney | Daughter | — | 4 | ~1926 |
Census Appearances
1930
Lucas, Ohio
Daughter, age 2
Lucas, Ohio · implied b. ~1928 — 9 household members
| Surname | McKinney |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Illinois |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Daughter, age 12
Lucas-County, Ohio · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKinney |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Highest Grade | 6 |
| 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 Mckinney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mckinney
Daughter · 1930 · age 2 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
John Mckinney
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maude Mckinney
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nettie Mckinney
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelia Mckinney
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Mckinney
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ross Mckinney
Sibling · 1930 · 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
1930 US Federal Census — Lucas, Ohio
Open full size
1930 US Federal Census — Lucas, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1835:0268)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Smith | 33 | Roomer | Cook | Virginia |
| 52 | J. West Tipton | 24 | Roomer | Auto Washer | Mississippi |
| 53 | Robert Reed | 23 | Roomer | Driver | Mississippi |
| 54 | Joseph Jones | 49 | Roomer | Laborer | Illinois |
| 55 | West Hale | 50 | Roomer | Laborer | Tennessee |
| 56 | Fred Jacobson | 33 | Head | Proprietor | Germany |
| 57 | Tom Loyd | 40 | Roomer | Machinist | Alabama |
| 58 | W. C. Schunke | 44 | Head | Manager | Ohio |
| 59 | Pearl Schunke | 46 | Wife | — | Ohio |
| 60 | Carl Heis | 25 | Roomer | Laborer | Ohio |
| 61 | Nila Heis | 24 | Roomer | Waitress | Ohio |
| 62 | Ed Libbe | 26 | Roomer | Machinist | Ohio |
| 63 | Thad Wilson | 55 | Roomer | Laborer | Ohio |
| 64 | Eric Thate | 32 | Roomer | Conductor | Ohio |
| 65 | Billie Torkel | 20 | Roomer | Claim Dept. | Ohio |
| 66 | Dickie Brown | 45 | Head | Molder | United States |
| 67 | Elmira Brown | 35 | Wife | Housekeeper | United States |
| 68 | William Brown | 45 | Roomer | Laborer | Mississippi |
| 69 | Ford Harden | 47 | Head | Laborer | Georgia |
| 70 | Grace H. Harden | 48 | Wife | — | Tennessee |
| 71 | Frank Douglas | 29 | Lodger | Mechanic | Kentucky |
| 72 | Katherine Lewis | 52 | Head | — | Michigan |
| 73 | Charles Lewis | 50 | Roomer | Laborer | Kentucky |
| 74 | Percy Town | 46 | Roomer | Laborer | Virginia |
| 75 | Willie Ward | 21 | Roomer | Laborer | Michigan |
| 76 | Albert Sisco | 40 | Roomer | Laborer | Michigan |
| 77 | John Rice | 45 | Roomer | Baker | Illinois |
| 78 | Fred Dennis | 29 | Roomer | Laborer | Ohio |
| 79 | Edin Evans | 34 | Roomer | — | Georgia |
| 80 | Paletta Evans | 12 | Roomer | — | Ohio |
| 81 | Ross Jones | 30 | Head | Laborer | Florida |
| 82 | Laura Jones | 45 | Wife | — | New Jersey |
| 83 | Marie Jones | 6 | Daughter | — | Ohio |
| 84 | Dude Towns | 36 | Head | Laborer | Mississippi |
| 85 | May Towns | 30 | Wife | — | Ohio |
| 86 | James Evans | 35 | Head | Laborer | United States |
| 87 | Nettie Evans | 32 | Wife | — | Virginia |
| 88 | Katherine Beale | 17 | Daughter | — | Virginia |
| 89 | Andrew Beale | 10 | Son | — | Virginia |
| 90 | Gladys Lugerson | 37 | Roomer | Laborer | United States |
| 91 | Arthur Johnson | 40 | Roomer | Porter | Louisiana |
| 92 | John Mckinney | 53 | Head | Laborer | Tennessee |
| 93 | Priscilla Mckinney | 39 | Wife | — | Illinois |
| 94 | John Mckinney | 13 | Son | — | Alabama |
| 95 | Ross Mckinney | 10 | Son | — | Alabama |
| 96 | Eugene Mckinney | 5 | Son | — | Ohio |
| 97 | Maude Mckinney | 4 | Daughter | — | Ohio |
| 98 | Nettie Mckinney | 3 | Daughter | — | Ohio |
| 99 | Mary Jane Mckinney THIS PERSON | 2 | Daughter | — | Ohio |
| 100 | Cornelia Mckinney | 2 | Daughter | — | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)