JR
John Robertson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Monroe, Indiana
Our Model Tree links this John Robertson across the 1920, 1930 and 1940 US Censuses in Monroe, Indiana (XGBoost, ~Confirmed), with identified parents Walter & Horace — first a son (b.~1920), then head of a 4-person household.
Age 10
b. ~1920
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Monroe, Indiana |
| Surname | Robertson |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Bloomington |
| Est. Birth Year | ~1920 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Emma Robertson | Daughter | — | 8 | ~1922 |
| Horace Robertson | Head | — | 35 | ~1895 |
| Bessie Robertson | Other | — | 29 | ~1901 |
| John Robertson | Son | — | 10 | ~1920 |
Census Appearances
1920
Monroe, Indiana
Son, age
Monroe, Indiana · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Monroe, Indiana
Son, age 10
Monroe, Indiana · implied b. ~1920 — 4 household members
| Surname | Robertson |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
Son, age 21
Monroe-County, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Bloomington City |
| 1935 Residence (County) | Monroe |
| Occupation | Bookkeeper |
| Industry | Price Electric |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 700 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Roberts (~0.92 confidence) and father Horace Robertson (~0.92 confidence) and mother Ellyn Roberts (~0.92 confidence) and mother Bessie Robertson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Roberts
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Horace Robertson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Ellyn Roberts
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Bessie Robertson
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Robertson
Son · 1930 · age 10 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
Emma Robertson
Sibling · 1930 · age 8
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 — Monroe, Indiana
Open full size
1930 US Federal Census — Monroe, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel619:0221)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nora M Ellis | 49 | Wife H | Bookkeeper | Indiana |
| 2 | Theodore Ellis | 19 | Son | Maker | Indiana |
| 3 | Pauline Ellis | 19 | Daughter | Maker | Indiana |
| 4 | Thos Perry | 39 | Head | Mechanic | Indiana |
| 5 | Ora Perry | 40 | Wife H | — | Indiana |
| 6 | Fredrick Perry | 14 | Son | — | Indiana |
| 7 | Harrold Perry | 10 | Son | — | Indiana |
| 8 | Wm Carl Perry | 1 | Son | — | Indiana |
| 9 | Roy D Earle | 31 | Head | Salesman | Indiana |
| 10 | Malcia Earle | 27 | Wife H | — | Indiana |
| 11 | Edwin Earle | 3 | Son | — | Indiana |
| 12 | Carle Earle | 1 | Son | — | Indiana |
| 13 | Mabel Earle | 16 | Sister | — | Canada Eng |
| 14 | Otto Harding | 40 | Head | Driver | Indiana |
| 15 | Ruth Harding | 37 | Wife H | — | Indiana |
| 16 | Zelma Harding | 14 | Daughter | — | Indiana |
| 17 | Olive Harding | 10 | Daughter | — | Indiana |
| 18 | Hazel Harding | 8 | Daughter | — | Indiana |
| 19 | Grover Harding | 6 | Son | — | Indiana |
| 20 | Herbert Harding | 5 | Son | — | Indiana |
| 21 | Clyde Harding | 1 | Son | — | Indiana |
| 22 | Edgar L Yeager | 32 | Head | Professor | Indiana |
| 23 | Irene C Yeager | 32 | Wife H | — | Illinois |
| 24 | R Carlyle Burley | 36 | Head | Director | Indiana |
| 25 | Evelyn B Burley | 26 | Wife H | — | Indiana |
| 26 | Ida Barnett | 60 | Mother-in-law | — | Missouri |
| 27 | Bruce Beem | 38 | Head | Tailor | Indiana |
| 28 | Olive Beem | 37 | Wife H | — | Indiana |
| 29 | Mary Ann Beem | 10 | Daughter | — | Indiana |
| 30 | Horace Robertson | 35 | Head | Driver | Indiana |
| 31 | Bessie Robertson | 29 | Wife H | — | Indiana |
| 32 | John E Robertson THIS PERSON | 10 | Son | — | Indiana |
| 33 | Emma J Robertson | 8 | Daughter | — | Indiana |
| 34 | Eljay S Hunter | 52 | Head | Contractor | Indiana |
| 35 | Ella Hunter | 46 | Wife H | — | Indiana |
| 36 | Ralph Hunter | 23 | Son | Inspector | Colorado |
| 37 | Hugh Hunter | 18 | Son | — | Colorado |
| 38 | Joseph L Hanson | 46 | Head | Dealer | Indiana |
| 39 | Grace Hanson | 46 | Wife H | — | Louisiana |
| 40 | Helen Hanson | 14 | Daughter | — | Indiana |
| 41 | Betty Hanson | 10 | Daughter | — | Indiana |
| 42 | Fred J Sharp | 36 | Head | Teacher | Indiana |
| 43 | Edna L Sharp | 34 | Wife H | — | Indiana |
| 44 | Millicent Sharp | 11 | Daughter | — | Indiana |
| 45 | Geo M Sylvester | 47 | Head | Bannerman | Indiana |
| 46 | Dovie Sylvester | 42 | Wife H | — | Indiana |
| 47 | Carl Sylvester | 23 | Son | Machine Op | Indiana |
| 48 | Wm Sylvester | 11 | Son | — | Indiana |
| 49 | Noble Southern | 28 | Head | Section | Kentucky |
| 50 | Ruby Southern | 18 | Wife H | — | Indiana |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 4 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)