RC
Robert Cooper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Miami, Ohio
Our Model Tree links this Robert Cooper across the 1920 and 1930 US Censuses in Miami, Ohio (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 11-person household.
Age 11
b. ~1919
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Miami, Ohio |
| Surname | Cooper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Piqua City |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ruth Cooper | Daughter | — | 5 | ~1925 |
| Imogene Cooper | Daughter | — | 3 | ~1927 |
| Alfred Cooper | Head | — | 43 | ~1887 |
| Ruth Cooper | Other | — | 41 | ~1889 |
| Paul Cooper | Son | — | 15 | ~1915 |
| Warren Cooper | Son | — | 12 | ~1918 |
| Robert Cooper | Son | — | 11 | ~1919 |
| Ned Cooper | Son | — | 7 | ~1923 |
| Benjamin Cooper | Son | — | 9 | ~1921 |
| Elmer Cooper | Son | — | 19 | ~1911 |
| Arthur Cooper | Son | — | 17 | ~1913 |
Census Appearances
1920
Miami, Ohio
Son, age
Miami, Ohio · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Miami, Ohio
Son, age 11
Miami, Ohio · implied b. ~1919 — 11 household members
| Surname | Cooper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| 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 Robert Cooper across 2 US Census years (1920 and 1930) in Miami, Ohio, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Cooper
Son · 1930 · age 11 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Ruth Cooper
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Cooper
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Cooper
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Cooper
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Imogene Cooper
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ned Cooper
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Cooper
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Cooper
Sibling · 1930 · 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
1930 US Federal Census — Miami, Ohio
Open full size
1930 US Federal Census — Miami, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1849:0776)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alfred N. At. Cooper | 43 | Head | Carpenter Foreman | Indiana |
| 2 | Ruth Cooper | 41 | Wife-H. | — | Ohio |
| 3 | Elmer At. Cooper | 19 | Son | Carpenter | Ohio |
| 4 | Arthur Cooper | 17 | Son | — | Ohio |
| 5 | Paul Cooper | 15 | Son | — | Ohio |
| 6 | Warren Cooper | 12 | Son | — | Ohio |
| 7 | Robert Cooper THIS PERSON | 11 | Son | — | Ohio |
| 8 | Benjamin Cooper | 9 | Son | — | Ohio |
| 9 | Ned Cooper | 7 | Son | — | Ohio |
| 10 | Ruth Cooper | 5 | Daughter | — | Ohio |
| 11 | Imogene Cooper | 3 | Daughter | — | Ohio |
| 12 | Thomas Hurd | 68 | Head | Farmer | Ohio |
| 13 | Susanna Hurd | 60 | Wife-H. | — | Ohio |
| 14 | George Locke | 70 | Head | Farm Laborer | Ohio |
| 15 | Ida Katherine Locke | 47 | Head | Butler | Ohio |
| 16 | John H. Locke | 43 | Son-H. | Maid | Ohio |
| 17 | William C. Jr. Locke | 21 | Son | — | Ohio |
| 18 | Edith P. Locke | 18 | Daughter | — | Ohio |
| 19 | Charles L. Kessler | 38 | Head | Finisher | Ohio |
| 20 | Lula C. Kessler | 37 | Wife-H. | Machine Operator | Ohio |
| 21 | Keith G. Kessler | 19 | Son | Manager | Ohio |
| 22 | Treva E. Kessler | 16 | Daughter | — | Ohio |
| 23 | John Harrison | 21 | Head | Book-Keeper | Ohio |
| 24 | Lenila Harrison | 18 | Wife-H. | — | Ohio |
| 25 | Gene Duncan | 71 | Lodger | Laborer | United States |
| 26 | Stanhope Boal | 74 | Head | Manufacturer | Kentucky |
| 27 | Nannie Boal | 80 | Sister-H. | — | Kentucky |
| 28 | Alice S. Boal | 80 | Sister | — | Kentucky |
| 29 | Eugenie Harris | 47 | Servant | Cook | Ohio |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | — | None | — | — | — |
| 33 | — | None | — | — | — |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | — | None | — | — | — |
| 37 | — | None | — | — | — |
| 38 | — | None | — | — | — |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)