MC
Mary Conner — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Mary Conner across the 1930 and 1940 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 5
b. ~1925
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Conner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | New York |
| Mother's Birthplace | Colorado |
| Additional Details | |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1925 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edith Conner | Daughter | — | 7 | ~1923 |
| Frank Conner | Son | — | 9 | ~1921 |
| Frank Conner | Head | — | 30 | ~1900 |
| Robert Conner | Son | — | 3 | ~1927 |
| Edith Conner | Spouse | — | 27 | ~1903 |
| Mary Conner | Daughter | — | 5 | ~1925 |
Census Appearances
1930
Hamilton, Ohio
Daughter, age 5
Hamilton, Ohio · implied b. ~1925 — 6 household members
| Surname | Conner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | New York |
| Mother's Birthplace | Colorado |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Daughter, age 16
Hamilton-County, Ohio · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conners |
| Given Name | Maryan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Highest Grade | Hs 4 |
| 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 Conner across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conner
Daughter · 1930 · age 5 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Edith Conner
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Conner
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Conner
Sibling · 1930 · age 3
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 — Hamilton, Ohio
Open full size
1930 US Federal Census — Hamilton, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1816:1017)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rosemary Gramme | 8 | Daughter | — | Ohio |
| 52 | Joseph Gramme | 7 | Son | — | Ohio |
| 53 | Mary Gramme | 5 | Daughter | — | Ohio |
| 54 | Robert Gramme | 2 | Son | — | Ohio |
| 55 | Anna Luekenhaus | 51 | Head | — | Ohio |
| 56 | Hilda Luekenhaus | 25 | Daughter | — | Ohio |
| 57 | Catherine Luekenhaus | 22 | Daughter | — | Ohio |
| 58 | Susan Montgomery | 70 | Boarder | — | Kentucky |
| 59 | Frank Conner | 30 | Head | — | New York |
| 60 | Edith Conner | 27 | Wife | — | Colorado |
| 61 | Frank Conner | 9 | Son | — | Ohio |
| 62 | Edith Conner | 7 | Daughter | — | Ohio |
| 63 | Mary Conner THIS PERSON | 5 | Daughter | — | Ohio |
| 64 | Robert Conner | 3 | Son | — | Ohio |
| 65 | John Brown | 34 | Head | — | Ohio |
| 66 | Catherine Brown | 30 | Wife | — | Indiana |
| 67 | Elmer Brown | 6 | Son | — | Ohio |
| 68 | John Brown | 4 | Son | — | South Dakota |
| 69 | Michael Cassinelli | 33 | Head | — | Ohio |
| 70 | Catherine Cassinelli | 28 | Wife | — | Ohio |
| 71 | Theodore Cassinelli | 10 | Daughter | — | Ohio |
| 72 | Michael Cassinelli | 8 | Son | — | Ohio |
| 73 | Robert Cassinelli | 6 | Son | — | Ohio |
| 74 | James Cassinelli | 4 | Son | — | Ohio |
| 75 | John Cassinelli | 1 | Son | — | Ohio |
| 76 | Catherine Cassinelli | 0 | Daughter | — | Ohio |
| 77 | Joseph Harris | 34 | Head | Operator | Ohio |
| 78 | Edith Harris | 30 | Wife | — | Ohio |
| 79 | Joseph Harris | 9 | Son | — | Ohio |
| 80 | Sam Byers | 40 | Head | — | Indiana |
| 81 | Mary Byers | 38 | Wife | — | Indiana |
| 82 | Sam Byers | 17 | Son | — | Indiana |
| 83 | Wilson Turner | 47 | Head | — | Ohio |
| 84 | Mary Turner | 45 | Wife | — | Ohio |
| 85 | William Cromwell | 30 | Head | — | Ohio |
| 86 | Mary Cromwell | 30 | Wife | — | Ohio |
| 87 | Mary Cromwell | 1 | Daughter | — | Ohio |
| 88 | Cooley Emerson | 68 | Head | Physician | Virginia |
| 89 | Alice Emerson | 65 | Wife | — | Ohio |
| 90 | George Jacob | 71 | Lodger | Bookkeeper | Ohio |
| 91 | Mary Jacob | 67 | Lodger | — | Virginia |
| 92 | Charles J. Lyne | 55 | Head | Clerk | Ohio |
| 93 | Mary E. Lyne | 56 | Wife | — | Ohio |
| 94 | Charlotte Scott | 71 | Head | — | Ohio |
| 95 | Goldie Shuber | 44 | Head | — | Ohio |
| 96 | Mary Harmon | 52 | Lodger | — | Ohio |
| 97 | Charles Harmon | 60 | Head | — | Ohio |
| 98 | Emma Harmon | 58 | Wife | — | Ohio |
| 99 | Mary Van Horn | 70 | Head | — | Ohio |
| 100 | Alice E. Van Horn | 40 | Daughter | Teacher | 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)