JR
John Roach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Posey, Indiana
Our Model Tree links this John Roach across the 1920 and 1930 US Censuses in Posey, Indiana (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 7-person household.
Age 13
b. ~1917
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Posey, Indiana |
| Surname | Roach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Black Township Pt Of |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Clair Roach | Daughter | — | 15 | ~1915 |
| William Roach | Head | — | 57 | ~1873 |
| Orville Roach | Son | — | 18 | ~1912 |
| John Roach | Son | — | 13 | ~1917 |
| Herman Roach | Son | — | 8 | ~1922 |
| Elwood Roach | Son | — | 10 | ~1920 |
| May Roach | Spouse | — | 50 | ~1880 |
Census Appearances
1920
Posey, Indiana
Son, age 3
Posey, Indiana · implied b. ~1917 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Missouri |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Posey, Indiana
Son, age 13
Posey, Indiana · implied b. ~1917 — 7 household members
| Surname | Roach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 John Roach across 2 US Census years (1920 and 1930) in Posey, Indiana, using XGBoost record linkage.
Show:
This person
Anchor record
John Roach
Son · 1930 · age 13 · b. ~1917 · Indiana
★ You are viewing this record
Sibling
Clair Roach
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elwood Roach
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Roach
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orville Roach
Sibling · 1930 · age 18
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 — Posey, Indiana
Open full size
1930 US Federal Census — Posey, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel623:0154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles Broadhead | 61 | Head | Farmer | Indiana |
| 52 | Evelyn Broadhead | 17 | Daughter | — | Indiana |
| 53 | Charles Broadhead | 15 | Son | — | Indiana |
| 54 | George Vornen | 55 | Head | Farmer | Indiana |
| 55 | Nancy Vornen | 49 | Wife | — | Indiana |
| 56 | George W. Vornen | 17 | Son | — | Indiana |
| 57 | Elizabeth Vornen | 14 | Daughter | — | Indiana |
| 58 | Mary J. Dronemeier | 77 | Lodger | — | Maryland |
| 59 | James W. Mcfarland | 64 | Head | Farmer | Illinois |
| 60 | Katherine Mcfarland | 50 | Wife | — | Indiana |
| 61 | Chas. Hagemann | 48 | Head | Farmer | Indiana |
| 62 | Bertha Hagemann | 47 | Wife | — | Indiana |
| 63 | Wilford Hagemann | 22 | Son | Laborer | Indiana |
| 64 | Pete Rivers | 57 | Head | Operator | Indiana |
| 65 | Myrtle Rivers | 44 | Wife | — | Indiana |
| 66 | Eddy Offerman | 23 | Son | Driver | Illinois |
| 67 | Paul Offerman | 18 | Son | — | Indiana |
| 68 | Stacy Greene | 19 | Son | — | Indiana |
| 69 | Ray Greene | 9 | Daughter | — | Indiana |
| 70 | Harry Russel | 46 | Head | Laborer | Indiana |
| 71 | Hazel Russel | 35 | Wife | — | Indiana |
| 72 | Winifred Russel | 9 | Son | — | Indiana |
| 73 | William Russel | 5 | Son | — | Indiana |
| 74 | Julius Riddens | 49 | Head | Laborer | Illinois |
| 75 | Isabel Riddens | 38 | Wife | — | Illinois |
| 76 | William Riddens | 18 | Son | Laborer | Indiana |
| 77 | Glenn Riddens | 16 | Son | Laborer | Indiana |
| 78 | Beulah Riddens | 14 | Daughter | — | Illinois |
| 79 | Mildred Riddens | 11 | Daughter | — | Illinois |
| 80 | Gladys Riddens | 9 | Daughter | — | Illinois |
| 81 | William Roach | 57 | Head | Laborer | Indiana |
| 82 | May Roach | 50 | Wife | — | Missouri |
| 83 | Orville Roach | 18 | Son | — | Indiana |
| 84 | Clair Roach | 15 | Daughter | — | Indiana |
| 85 | John Roach THIS PERSON | 13 | Son | — | Indiana |
| 86 | Elwood Roach | 10 | Son | — | Indiana |
| 87 | Herman Roach | 8 | Son | — | Indiana |
| 88 | Frank Plietz | 55 | Head | Farmer | Indiana |
| 89 | Katherine Plietz | 24 | Daughter | — | Indiana |
| 90 | Anna B. Plietz | 17 | Daughter | — | Indiana |
| 91 | Edward Plietz | 16 | Son | — | Indiana |
| 92 | Fritz Schmidt | 82 | Head | — | Germany |
| 93 | Mary Schmidt | 41 | Daughter | — | Indiana |
| 94 | Carl Ostermeier | 67 | Head | Farmer | Germany |
| 95 | Bertha Ostermeier | 66 | Wife | — | Germany |
| 96 | Theodore Ostermeier | 39 | Son | Laborer | Germany |
| 97 | Frank Hallenberg | 54 | Head | Farmer | Indiana |
| 98 | Anna Hallenberg | 41 | Wife | — | Indiana |
| 99 | William Hallenberg | 22 | Son | — | Indiana |
| 100 | Louis Hallenberg | 19 | Son | Laborer | Indiana |
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)