RN
Robert Nichols — 1930 US Census Record
Model Tree available1930 United States Federal Census · Carroll, Illinois
Our Model Tree links this Robert Nichols across the 1920, 1930 and 1940 US Censuses in Carroll, Illinois (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1905), then head of a 4-person household.
Age 25
b. ~1905
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Carroll, Illinois |
| Surname | Nichols |
| Given Name | Robert E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Laborer |
| Industry | Feed Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Shannon Village |
| Est. Birth Year | ~1905 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Minnie Nichols | Other | — | 48 | ~1882 |
| Robert Nichols | Son | — | 25 | ~1905 |
| Katherine Nichols | Daughter | — | 15 | ~1915 |
| George Nichols | Head | — | 50 | ~1880 |
Census Appearances
1920
Carroll, Illinois
Son, age 14
Carroll, Illinois · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichol |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Carroll, Illinois
Son, age 25
Carroll, Illinois · implied b. ~1905 — 4 household members
| Surname | Nichols |
| Given Name | Robert E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Feed Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Carroll-County, Illinois
Son, age 35
Carroll-County, Illinois · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichol |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Shannon village |
| 1935 Residence (County) | Carroll |
| Occupation | Truck Driver |
| Industry | Retail Feed Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 152 |
| Highest Grade | H 8 |
| 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 Robert Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Nichol (~0.92 confidence) and father George Nichol (~0.92 confidence) and mother Minnie Nichol (~0.92 confidence) and mother Nannie Nichol (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Nichol
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Nichol
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Minnie Nichol
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Nannie Nichol
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Nichols
Son · 1930 · age 25 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
Katherine Nichols
Sibling · 1930 · age 15
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 — Carroll, Illinois
Open full size
1930 US Federal Census — Carroll, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel408:0818)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph A Warner | 71 | Head | Mayor | Pennsylvania |
| 2 | George D Byres | 54 | Head | — | Illinois |
| 3 | Fanny Byres | 30 | wife-H | — | Illinois |
| 4 | Laura J Byres | 19 | daughter | — | Illinois |
| 5 | Harriet M Byres | 9 | daughter | None | Illinois |
| 6 | Clara M Miller | 64 | Head-H | None | Illinois |
| 7 | Susan E Warner | 80 | Head-H | None | Pennsylvania |
| 8 | James Afflerbaugh | 67 | nephew | None | Illinois |
| 9 | Silas Weigle | 75 | Head | Retail Merchant | Pennsylvania |
| 10 | Ida B Weigle | 51 | wife-H | None | Illinois |
| 11 | Grace L Mcnutt | 18 | daughter-H | None | Illinois |
| 12 | Donald M Mcnutt | 13 | son of wife | None | Illinois |
| 13 | William H Fox | 67 | Head | Janitor | Pennsylvania |
| 14 | Andora Fox | 65 | wife-H | None | Pennsylvania |
| 15 | Alfred J Peram | 53 | Head | Manager | Illinois |
| 16 | Matilda Peram | 47 | wife-H | — | Illinois |
| 17 | Florence A Peram | 23 | daughter | — | Illinois |
| 18 | Lewis H Peram | 20 | son | Electrician | South Dakota |
| 19 | Vera O'Hara | 28 | roomer | Teacher | Illinois |
| 20 | Elijah Cheeseman | 63 | Head | — | Illinois |
| 21 | Emma Cheeseman | 63 | wife-H | None | Illinois |
| 22 | Elizabeth Hinder | 46 | Head-H | None | Illinois |
| 23 | Lillian Hinder | 28 | daughter | Teacher | Illinois |
| 24 | Edith Hinder | 24 | daughter | Teacher | Illinois |
| 25 | Lloyd A Hinder | 21 | son | None | Illinois |
| 26 | Margaret Erdman | 65 | Head-H | — | Illinois |
| 27 | George E Nichols | 50 | Head | Retail Merchant | Illinois |
| 28 | Minnie M Nichols | 48 | wife-H | — | Illinois |
| 29 | Robert E Nichols THIS PERSON | 25 | son | Laborer | Illinois |
| 30 | Katherine M Nichols | 15 | daughter | None | Illinois |
| 31 | David S Moll | 58 | Head | — | Illinois |
| 32 | Katherine Moll | 55 | wife-H | — | Illinois |
| 33 | Paul F Lauth | 32 | Head | Retail Merchant | Illinois |
| 34 | Esther Lauth | 31 | wife-H | None | Illinois |
| 35 | James Ed Lauth | 9 | son | None | Illinois |
| 36 | Henry C Stephan | 63 | Head | Pastor | Illinois |
| 37 | Mary E Stephan | 62 | wife-H | None | Indiana |
| 38 | Paul M Stephan | 25 | son | Book Keeping | Illinois |
| 39 | Joe Buss | 60 | Head | None | Illinois |
| 40 | Alice Buss | 56 | wife-H | None | Iowa |
| 41 | Charles Yeager | 48 | Head | Farm Laborer | Nebraska |
| 42 | Fanny Yeager | 45 | wife-H | None | Illinois |
| 43 | John A Anderson | 69 | Head | Laborer | Illinois |
| 44 | Sarah Anderson | 64 | wife-H | None | Illinois |
| 45 | Retta Vietmeier | 59 | Head-H | None | Illinois |
| 46 | Ira O Shaffer | 33 | Head | Teacher | Indiana |
| 47 | Florence E Shaffer | 28 | wife-H | None | Indiana |
| 48 | Delores J Shaffer | 9 | daughter | None | Indiana |
| 49 | Rosa Bickelhaupt | 56 | Head-H | None | Illinois |
| 50 | Lola Bickelhaupt | 29 | daughter | Operator | Iowa |
Pedigree Summary
Robert + 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)