JB
John Barr — 1930 US Census Record
Model Tree available1930 United States Federal Census · Champaign, Illinois
Our Model Tree links this John Barr across the 1920, 1930 and 1940 US Censuses in Champaign, Illinois (XGBoost, ~Confirmed), with identified parents Andrew & Morton — first a son (b.~1914), then head of a 6-person household.
Age 16
b. ~1914
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Champaign, Illinois |
| Surname | Barr |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Urbana City |
| Est. Birth Year | ~1914 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Hortense Barr | Other | — | 55 | ~1875 |
| Catherine Barr | Daughter | — | 25 | ~1905 |
| Marjorie Barr | Daughter | — | 23 | ~1907 |
| Andrew Barr | Head | — | 59 | ~1871 |
| Andrew Barr | Son | — | 28 | ~1902 |
| John Barr | Son | — | 16 | ~1914 |
Census Appearances
1920
Champaign, Illinois
Son, age 6
Champaign, Illinois · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Son, age 16
Champaign, Illinois · implied b. ~1914 — 6 household members
| Surname | Barr |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Son, age 26
Champaign-County, Illinois · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berr |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Urbana city |
| 1935 Residence (County) | Champaign |
| Occupation | Attorney |
| Industry | Own practice |
| Class of Worker | OA |
| Hours Worked | 58 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Barr (~0.92 confidence) and father Morton Berr (~0.92 confidence) and mother Hortence Barr (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Barr
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Morton Berr
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Hortence Barr
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Barr
Son · 1930 · age 16 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Catherine Barr
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Barr
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Barr
Sibling · 1930 · age 28
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:illinoiscensus00reel410:0658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eunice B. Jessup | 64 | Head | — | Illinois |
| 2 | Paul Jessup | 29 | Son | Director | Illinois |
| 3 | Eloise G. Jessup | 23 | Daughter | Teacher | Illinois |
| 4 | Georgia C. Keeley | 50 | Head | Owner | Illinois |
| 5 | Laura J. Keeley | 73 | Mother | — | Indiana |
| 6 | Florence Heiss | 59 | Head | Chaperon | Iowa |
| 7 | Edward E. Elliott | 69 | Head | Salesman | Illinois |
| 8 | Hannah E. Elliott | 64 | Wife-H | — | Illinois |
| 9 | Vandeman, Edith K. Elliott | 38 | Lodger | Librarian | Kansas |
| 10 | Andrew Barr | 59 | Head | Dealer | Illinois |
| 11 | Hortense Barr | 55 | Wife-H | — | Illinois |
| 12 | Andrew Jr. Barr | 28 | Son | Teacher | Illinois |
| 13 | Catherine C. Barr | 25 | Daughter | Teacher | Illinois |
| 14 | Marjorie E. Barr | 23 | Daughter | — | Illinois |
| 15 | John Barr THIS PERSON | 16 | Son | — | Illinois |
| 16 | Edna M. Evans | 49 | Head | Secretary | Illinois |
| 17 | Paul B. Evans | 23 | Son | — | Illinois |
| 18 | Stuart D. Evans | 23 | Son | — | Illinois |
| 19 | Stella M. Busey | 45 | Head | — | Illinois |
| 20 | Margaret S. Busey | 14 | Daughter | — | Illinois |
| 21 | Quick, Lydia M. Busey | 67 | Mother | — | Illinois |
| 22 | Mary L. Huber | 65 | Head | — | Illinois |
| 23 | Marie Huber | 30 | Daughter | Secretary | Illinois |
| 24 | Whalen, Anna Huber | 38 | Niece | — | Illinois |
| 25 | Pearl R. Hutson | 51 | Head | — | Illinois |
| 26 | John R. Young | 24 | Head | Teacher | West Virginia |
| 27 | Hulda M. Young | 23 | Wife-H | — | Virginia |
| 28 | Arthur S. Baker | 24 | Head | Teacher | Massachusetts |
| 29 | Lorraine Baker | 21 | Wife-H | — | Illinois |
| 30 | Orin L. Wright | 46 | Head | Salesman | Illinois |
| 31 | Mary L. Wright | 49 | Wife-H | — | Illinois |
| 32 | Karl L. Ab. Wright | 26 | Son | Extension Dept | Illinois |
| 33 | Ralph M. Wright | 21 | Son | Book Keeping | Illinois |
| 34 | Lenora A. Wright | 15 | Daughter | — | Illinois |
| 35 | Albert P. Carman | 68 | Head | Teacher | New Jersey |
| 36 | Maude S. Carman | 62 | Wife-H | — | Illinois |
| 37 | Straight, Bertha Carman | 57 | Sister in law | — | Illinois |
| 38 | Dick E. Howe | 58 | Head | Contractor | Missouri |
| 39 | Ida M. Howe | 52 | Wife-H | — | Illinois |
| 40 | Mitch, Frederica C. Howe | 84 | Mother in law | — | Germany |
| 41 | Howe, Francis Howe | 22 | Daughter | — | Illinois |
| 42 | Benjamin F. Catherwood | 57 | Head | Teacher | Indiana |
| 43 | Elsie S. Catherwood | 55 | Wife-H | — | Indiana |
| 44 | Paul M. Ab. Catherwood | 26 | Son | Teacher | Indiana |
| 45 | Florence B. Catherwood | 25 | Daughter | Teacher | Indiana |
| 46 | Ruth E. Catherwood | 22 | Daughter | — | Indiana |
| 47 | Helen D. Catherwood | 18 | Daughter | — | Indiana |
| 48 | Thomas E. Oliver | 58 | Head | Teacher | Massachusetts |
| 49 | Elizabeth R. Oliver | 50 | Wife-H | — | France |
| 50 | Sarah C. Oliver | 17 | Daughter | — | Illinois |
Pedigree Summary
John + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)