RN
Robert Nichols — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kosciusko, Indiana
Our Model Tree links this Robert Nichols across the 1930 and 1940 US Censuses in Kosciusko, Indiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 2
b. ~1928
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Kosciusko, Indiana |
| Surname | Nichols |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Inez Nichols | Daughter | — | 9 | ~1921 |
| Arthur Nichols | Son | — | 4 | ~1926 |
| Milton Nichols | Head | — | 37 | ~1893 |
| Fred Nichols | Son | — | 1 | ~1929 |
| Betty Nichols | Daughter | — | 5 | ~1925 |
| Robert Nichols | Son | — | 2 | ~1928 |
| Alberta Nichols | Daughter | — | 7 | ~1923 |
| Ruth Nichols | Spouse | — | 33 | ~1897 |
| Fern Nichols | Daughter | — | 12 | ~1918 |
Census Appearances
1930
Kosciusko, Indiana
Son, age 2
Kosciusko, Indiana · implied b. ~1928 — 9 household members
| Surname | Nichols |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Kosciusko-County, Indiana
Son, age 13
Kosciusko-County, Indiana · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Warsaw City |
| 1935 Residence (County) | Kosciusko |
| Highest Grade | No 5 |
| 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 Robert Nichols across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Nichols
Son · 1930 · age 2 · b. ~1928 · Indiana
★ You are viewing this record
Sibling
Betty Nichols
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta Nichols
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Nichols
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fern Nichols
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Nichols
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez Nichols
Sibling · 1930 · age 9
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 — Kosciusko, Indiana
Open full size
1930 US Federal Census — Kosciusko, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel598:0417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Hunt | 1 | Son | — | Illinois |
| 2 | Floyd Cook | 33 | Head | General Farm | Indiana |
| 3 | Jessie Cook | 32 | Wife | — | Indiana |
| 4 | Betty J. Cook | 12 | Daughter | — | Indiana |
| 5 | Mae Cook | 10 | Daughter | — | Indiana |
| 6 | Charles L. Cook | 8 | Son | — | Indiana |
| 7 | James Devinney | 71 | Head | — | Indiana |
| 8 | Minerva Devinney | 67 | Wife | — | Ohio |
| 9 | Tillen Devinney | 44 | Son | General Farm | Ohio |
| 10 | Ray Fredrickson | 42 | Head | General Farm | Indiana |
| 11 | Coral Fredrickson | 40 | Wife | — | Indiana |
| 12 | Gail Fredrickson | 16 | Son | — | Indiana |
| 13 | Cleophus Valentine | 54 | Head | General Farm | Indiana |
| 14 | Eva Valentine | 47 | Wife | — | Indiana |
| 15 | Dorotha Valentine | 17 | Daughter | — | Indiana |
| 16 | Juanita Valentine | 13 | Daughter | — | Indiana |
| 17 | William H. Valentine | 83 | Father | — | Ohio |
| 18 | Grant Vancuren | 43 | Head | General Farm | Indiana |
| 19 | Ivana Vancuren | 38 | Wife | — | Indiana |
| 20 | Robert Vancuren | 9 | Son | — | Indiana |
| 21 | Francesine Vancuren | 8 | Daughter | — | Indiana |
| 22 | Ralph Huff | 44 | Head | General Farm | Indiana |
| 23 | Cora Huff | 39 | Wife | — | Indiana |
| 24 | Wilbur Huff | 13 | Son | — | Indiana |
| 25 | Florence Huff | 11 | Daughter | — | Indiana |
| 26 | Catherine Huff | 7 | Daughter | — | Indiana |
| 27 | Merl Vancuren | 40 | Head | General Farm | Indiana |
| 28 | Otha A. Vancuren | 37 | Wife | — | Indiana |
| 29 | Donna B. Vancuren | 10 | Daughter | — | Indiana |
| 30 | Merl Vancuren | 7 | Son | — | Indiana |
| 31 | Edwin Hull | 58 | Head | General Farm | Indiana |
| 32 | Catherine E. Hull | 55 | Wife | — | Indiana |
| 33 | Milton G. Nichols | 37 | Head | Laborer | Ohio |
| 34 | Ruth Nichols | 33 | Wife | — | Ohio |
| 35 | Fern Nichols | 12 | Daughter | — | Indiana |
| 36 | Inez Nichols | 9 | Daughter | — | Indiana |
| 37 | Alberta Nichols | 7 | Daughter | — | Indiana |
| 38 | Betty R. Nichols | 5 | Daughter | — | Indiana |
| 39 | Arthur J. Nichols | 4 | Son | — | Indiana |
| 40 | Robert Nichols THIS PERSON | 2 | Son | — | Indiana |
| 41 | Fred Nichols | 1 | Son | — | Indiana |
| 42 | John Stinson | 67 | Head | General Farm | Indiana |
| 43 | Mae E. Stinson | 62 | Wife | — | Iowa |
| 44 | James E. Powers | 55 | Head | General Farm | Indiana |
| 45 | Elma Powers | 49 | Wife | — | Indiana |
| 46 | Thomas Plew | 73 | Head | General Farm | Indiana |
| 47 | Lizzie Plew | 67 | Wife | — | Indiana |
| 48 | Samuel Franks | 43 | Head | General Farm | Indiana |
| 49 | Carl Franks | 16 | Son | — | Indiana |
| 50 | Helen Franks | 13 | Daughter | — | Indiana |
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)