RF
Robert Fuller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this Robert Fuller across the 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Fuller |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Cedar Rapids |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Pauline Fuller | Daughter | — | 16 | ~1924 |
| Rosemary Fuller | Daughter | — | 12 | ~1928 |
| Ruby Fuller | Daughter | — | 7 | ~1933 |
| Arthur Fuller | Head | — | 45 | ~1895 |
| Lyle Fuller | Son | — | 18 | ~1922 |
| Elton Fuller | Son | — | 15 | ~1925 |
| Leonard Fuller | Son | — | 19 | ~1921 |
| Robert Fuller | Son | — | 11 | ~1929 |
| Richard Fuller | Son | — | 5 | ~1935 |
| Anna Fuller | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Linn, Iowa
Son, age 1
Linn, Iowa · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fuller |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Son, age 11
Linn-County, Iowa · implied b. ~1929 — 10 household members
| Surname | Fuller |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Fuller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Fuller
Son · 1940 · age 11 · b. ~1929 · Iowa
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Sibling
Leonard Fuller
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Fuller
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Fuller
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elton Fuller
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Fuller
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Fuller
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Fuller
Sibling · 1940 · age 5
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
1940 US Federal Census — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01177-00361)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carrie E. Ward | 57 | Wife | — | Iowa |
| 42 | Ray Hughes | 28 | Head | Painter | Iowa |
| 43 | Virginia Hughes | 26 | Wife | — | Iowa |
| 44 | Ronald Hughes | 6 | Son | — | Iowa |
| 45 | O. C. Hughes | 53 | Head | Painter | Iowa |
| 46 | Elsie Hughes | 50 | Wife | Housework | Iowa |
| 47 | Dale Hughes | 21 | Son | Stock Man | Iowa |
| 48 | Arthur J. Fuller | 45 | Head | Electrician | Kansas |
| 49 | Anna Fuller | 47 | Wife | — | Kansas |
| 50 | Leonard Fuller | 19 | Son | — | Kansas |
| 51 | Lyle Fuller | 18 | Son | Attendant | Kansas |
| 52 | Pauline Fuller | 16 | Daughter | — | Nebraska |
| 53 | Elton Fuller | 15 | Son | — | Iowa |
| 54 | Rosemary Fuller | 12 | Daughter | — | Iowa |
| 55 | Robert Fuller THIS PERSON | 11 | Son | — | Iowa |
| 56 | Ruby Fuller | 7 | Daughter | — | Iowa |
| 57 | Richard Fuller | 5 | Son | — | Iowa |
| 58 | Louis Rinderknecht | 42 | Head | Laboratory Helper | Iowa |
| 59 | Helen Rinderknecht | 40 | Wife | — | Maryland |
| 60 | Warren Rinderknecht | 19 | Son | Errand Boy | Iowa |
| 61 | John Rinderknecht | 17 | Son | — | Iowa |
| 62 | Misinformer | None | — | — | — |
| 63 | John Trapp | 66 | Head | Barber | Missouri |
| 64 | Ora Trapp | 60 | Wife | — | Missouri |
| 65 | Eugene Caldwell | 35 | Head | House Painter | Iowa |
| 66 | Eva Caldwell | 36 | Wife | — | Missouri |
| 67 | Gwendolyn Caldwell | 4 | Daughter | — | Iowa |
| 68 | R. F. Smith | 68 | Head | — | Iowa |
| 69 | Lillie Smith | 67 | Wife | — | Iowa |
| 70 | Margaret E. Smith | 46 | Daughter | Stenographer | Iowa |
| 71 | Ellie M. Smith | 25 | Daughter | Craftometer | Iowa |
| 74 | W. S. Barton | 63 | Head | Painter | Illinois |
| 75 | Bertha Barton | 58 | Wife | Silk Presser | Iowa |
| 76 | Bernard Kolsto | 22 | Head | Electrical Keeper | Iowa |
| 77 | Lois Kolsto | 21 | Wife | — | Iowa |
| 78 | Bernard Jr. Kolsto | 0 | Son | — | Iowa |
| 79 | Ronald Doyle | 37 | Head | Laborer | Iowa |
| 80 | Opal Doyle | 35 | Wife | — | Iowa |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)