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John Barr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Champaign, Illinois
Our Model Tree links this John Barr across the 1930 and 1940 US Censuses in Champaign, Illinois (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 14-person household.
Age 14
b. ~1916
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Champaign, Illinois |
| Surname | Barr |
| Given Name | John R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Newcomb 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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mertie Barr | Daughter | — | 12 | ~1918 |
| Dorothy Barr | Daughter | — | 9 | ~1921 |
| James Barr | Head | — | 45 | ~1885 |
| Milton Barr | Son | — | 3 | ~1927 |
| Eugene Barr | Son | — | 11 | ~1919 |
| Mary Barr | Daughter | — | 1 | ~1929 |
| James Barr | Son | — | 19 | ~1911 |
| John Barr | Son | — | 14 | ~1916 |
| Beulah Barr | Daughter | — | 17 | ~1913 |
| Joseph Barr | Son | — | 6 | ~1924 |
| Alta Barr | Daughter | — | 5 | ~1925 |
| Raymond Barr | Son | — | 16 | ~1914 |
| Jessie Barr | Son | — | 22 | ~1908 |
| Amanda Barr | Other | — | 39 | ~1891 |
Census Appearances
1930
Champaign, Illinois
Son, age 14
Champaign, Illinois · implied b. ~1916 — 14 household members
| Surname | Barr |
| Given Name | John R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Son, age 24
Champaign-County, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Burr |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Philo Township |
| 1935 Residence (County) | Champaign |
| Occupation | Laborer |
| Industry | on Farmers |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 350 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 · Illinois
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Sibling
Milton Barr
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beulah Barr
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Barr
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Barr
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Barr
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Barr
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Barr
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alta Barr
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mertie Barr
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Barr
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Barr
Sibling · 1930 · age 11
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 — Champaign, Illinois
Open full size
1930 US Federal Census — Champaign, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel410:0168)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Hayler, Edna B. | 41 | Sister | None | Illinois |
| 52 | Rosenbery, Roy R. | 38 | Head | Farmer | Indiana |
| 53 | Pearl S. Rosenbery | 28 | wife-H | None | Indiana |
| 54 | Fern Rosenbery | 12 | daughter | None | Indiana |
| 55 | Violet Mae Rosenbery | 9 | daughter | None | Indiana |
| 56 | Mildred M. Rosenbery | 6 | daughter | None | Illinois |
| 57 | Vera Y. Rosenbery | 4 | daughter | None | Illinois |
| 58 | Ruth L. Rosenbery | 3 | daughter | None | Illinois |
| 59 | Carol Downs | 54 | head | Labor | Illinois |
| 60 | Mettie Downs | 56 | sister-H | None | Illinois |
| 61 | Wilbur E. Hinton | 28 | head | Mgr. | Illinois |
| 62 | Eula C. Hinton | 27 | wife-H | None | Indiana |
| 63 | Lila G. Hinton | 3 | daughter | None | Illinois |
| 64 | Laverne M. Hinton | 0 | daughter | None | Illinois |
| 65 | Juddie S. Butler | 23 | Head | Labor | Illinois |
| 66 | Goldie A. Butler | 19 | wife-H | None | Illinois |
| 67 | Dorothy M. Butler | 2 | daughter | None | Illinois |
| 68 | George W. Grant | 30 | Head | Farmer | Illinois |
| 69 | Naomi H. Grant | 28 | wife-H | None | Illinois |
| 70 | Dorothy E. Grant | 5 | daughter | None | Illinois |
| 71 | Ralph Blue | 34 | head | Farmer | Illinois |
| 72 | Iva M. Blue | 32 | wife-H | None | Illinois |
| 73 | Paul L. Blue | 9 | son | None | Illinois |
| 74 | Sam Jenkins | 43 | Head | Farmer | Indiana |
| 75 | Mazel Jenkins | 46 | wife-H | None | Indiana |
| 76 | Clyde Jenkins | 37 | Brother | Labor | Indiana |
| 77 | Floyd S. Jenkins | 9 | son | None | Indiana |
| 78 | James C. Barr | 45 | head | Farmer | Illinois |
| 79 | Amanda N. Barr | 39 | wife-H | None | Illinois |
| 80 | Jessie A. Barr | 22 | son | Labor | Illinois |
| 81 | James C. Barr | 19 | son | Labor | Illinois |
| 82 | Beulah M. Barr | 17 | daughter | None | Illinois |
| 83 | Raymond C. Barr | 16 | son | None | Illinois |
| 84 | John R. Barr THIS PERSON | 14 | son | None | Illinois |
| 85 | Mertie C. Barr | 12 | daughter | None | Illinois |
| 86 | Eugene R. Barr | 11 | son | None | Illinois |
| 87 | Dorothy M. Barr | 9 | daughter | None | Illinois |
| 88 | Joseph D. Barr | 6 | son | None | Illinois |
| 89 | Alta F. Barr | 5 | daughter | None | Illinois |
| 90 | Milton D. Barr | 3 | son | None | Illinois |
| 91 | Mary C. Barr | 1 | daughter | None | Illinois |
| 92 | Robert S. Sarver | 51 | Head | Farmer | Illinois |
| 93 | Lena E. Sarver | 47 | wife-H | None | Illinois |
| 94 | William R. Sarver | 15 | son | None | Illinois |
| 95 | Clarence D. Sarver | 13 | son | None | Florida |
| 96 | Evelyn A. Sarver | 6 | daughter | None | Illinois |
| 97 | Amby Combs | 52 | Boarder | Labor | Kentucky |
| 98 | Harold H. Jones | 39 | Head | Farmer | Illinois |
| 99 | Stella M. Jones | 31 | wife-H | None | Indiana |
| 100 | Harold H. Jones | 6 | son | None | Illinois |
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)