JB
John Barr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mahoning, Ohio
Our Model Tree links this John Barr across the 1930 and 1940 US Censuses in Mahoning, Ohio (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 11-person household.
Age 14
b. ~1916
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mahoning, Ohio |
| Surname | Barr |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Canfield Township |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Ethel Barr | Daughter | — | 17 | ~1913 |
| Mildred Barr | Daughter | — | 1 | ~1929 |
| Martha Barr | Daughter | — | 4 | ~1926 |
| Calvin Barr | Son | — | 6 | ~1924 |
| Hattie Barr | Other | — | 44 | ~1886 |
| John Barr | Son | — | 14 | ~1916 |
| Ralph Barr | Son | — | 10 | ~1920 |
| Elizabeth Barr | Daughter | — | 8 | ~1922 |
| Howard Barr | Son | — | 19 | ~1911 |
| Robert Barr | Son | — | 20 | ~1910 |
| Edwin Barr | Head | — | 43 | ~1887 |
Census Appearances
1930
Mahoning, Ohio
Son, age 14
Mahoning, Ohio · implied b. ~1916 — 11 household members
| Surname | Barr |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mahoning-County, Ohio
Son, age 24
Mahoning-County, Ohio · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bare |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Canfield Twp. |
| 1935 Residence (County) | Mahoning |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | H 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 John Barr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Barr
Son · 1930 · age 14 · b. ~1916 · Ohio
★ You are viewing this record
Sibling
Ralph Barr
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Barr
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Barr
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Barr
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Barr
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Barr
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Barr
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Barr
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 — Mahoning, Ohio
Open full size
1930 US Federal Census — Mahoning, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1841:0498)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles V Blunt | 15 | Son | — | Ohio |
| 2 | Mary R Blunt | 9 | Daughter | — | Ohio |
| 3 | Ruth H Blunt | 7 | Daughter | — | Ohio |
| 4 | Effie Patterson | 65 | Boarder | — | Ohio |
| 5 | George Kallina | 46 | Head | Merchant | Syria |
| 6 | Elizabeth Kallina | 35 | Wife-H | Stock Dealer | Syria |
| 7 | Susie Kallina | 15 | Daughter | — | Ohio |
| 8 | Virginia Kallina | 14 | Daughter | — | Ohio |
| 9 | Rosie Kallina | 12 | Daughter | — | Ohio |
| 10 | Samuel Kallina | 10 | Son | — | Ohio |
| 11 | Mary Kallina | 7 | Daughter | — | Ohio |
| 12 | Ida Mazen | 37 | Sister-in-law | — | Syria |
| 13 | Raymond E Arrel | 24 | Head | Carpenter | Ohio |
| 14 | Virginia M Arrel | 21 | Wife-H | — | Ohio |
| 15 | Raymond J Arrel | 2 | Son | — | Ohio |
| 16 | Clyde Arrel | 53 | Head | Farmer | Ohio |
| 17 | Vera A Arrel | 48 | Wife-H | Housework | Ohio |
| 18 | Vernon C Arrel | 28 | Son | Truck Driver | Ohio |
| 19 | Harry E Arrel | 21 | Son | Salesman | Ohio |
| 20 | Gladys Arrel | 17 | Daughter | — | Ohio |
| 21 | Dorothy Arrel | 15 | Daughter | — | Ohio |
| 22 | Austin Crum | 66 | Head | Farmer | Ohio |
| 23 | Capitola Crum | 36 | Daughter | — | Ohio |
| 24 | Paul Crum | 32 | Son | Farmer | Ohio |
| 25 | Edwin J Barr | 43 | Head | Painter | Ohio |
| 26 | Hattie S Barr | 44 | Wife-H | — | Ohio |
| 27 | Robert G Barr | 20 | Son | — | Ohio |
| 28 | Howard R Barr | 19 | Son | — | Ohio |
| 29 | Ethel B Barr | 17 | Daughter | — | Ohio |
| 30 | John R Barr THIS PERSON | 14 | Son | — | Ohio |
| 31 | Ralph E Barr | 10 | Son | — | Ohio |
| 32 | Elizabeth Barr | 8 | Daughter | — | Ohio |
| 33 | Calvin E Barr | 6 | Son | — | Ohio |
| 34 | Martha L Barr | 4 | Daughter | — | Ohio |
| 35 | Mildred C Barr | 1 | Daughter | — | Ohio |
| 36 | John E Priddy | 45 | Head | Farmer | Ohio |
| 37 | Gertrude L Priddy | 38 | Wife-H | — | Pennsylvania |
| 38 | George W Bowdre | 36 | Head | Farmer | Georgia |
| 39 | Luke Anderson | 65 | Step-H | — | Ohio |
| 40 | Adoyou M Anderson | 60 | Mother-H | Farmer | Ohio |
| 41 | Joseph M Deckant | 50 | Head | Carpenter | Pennsylvania |
| 42 | Nettie Deckant | 45 | Wife-H | — | Ohio |
| 43 | Oran Deckant | 18 | Son | — | Ohio |
| 44 | Margaret Deckant | 15 | Daughter | — | Ohio |
| 45 | Amos Melinger | 51 | Head | Commissioner | Ohio |
| 46 | Della Melinger | 43 | Wife-H | — | Ohio |
| 47 | Robert Melinger | 23 | Son | Carpenter | Ohio |
| 48 | Helen L Melinger | 21 | Daughter | Stenographer | Ohio |
| 49 | Phyllis Melinger | 20 | Daughter | Draftswoman | Ohio |
| 50 | Edwin Osland | 36 | Head | Roller | Michigan |
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)