RC
Robert Curtis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Emery-County, Utah
Our Model Tree links this Robert Curtis across the 1930 and 1940 US Censuses in Emery-County, Utah (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Emery-County, Utah |
| Surname | Curtis |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Orangeville City |
| 1935 Residence (County) | Emery |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Orangeville City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Kirk Curtis | Son | — | 15 | ~1925 |
| C Curtis | Head | — | 44 | ~1896 |
| Joan Curtis | Daughter | — | 8 | ~1932 |
| Morris Curtis | Son | — | 17 | ~1923 |
| Robert Curtis | Son | — | 12 | ~1928 |
| Roma Curtis | Son | — | 11 | ~1929 |
| Vivian Curtis | Spouse | — | 37 | ~1903 |
| Shauna Curtis | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Emery, Utah
Son, age 2
Emery, Utah · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Emery-County, Utah
Son, age 12
Emery-County, Utah · implied b. ~1928 — 8 household members
| Surname | Curtis |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Orangeville City |
| 1935 Residence (County) | Emery |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Curtis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Curtis
Son · 1940 · age 12 · b. ~1928 · Utah
★ You are viewing this record
Sibling
Morris Curtis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roma Curtis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kirk Curtis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shauna Curtis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Curtis
Sibling · 1940 · 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
1940 US Federal Census — Emery-County, Utah
Open full size
1940 US Federal Census — Emery-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04212-01000)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Diana M Jensen | 6 | Daughter | — | Utah |
| 2 | Russ G Jensen | 4 | Son | — | Utah |
| 3 | John Curtis | 31 | Head | Painter | Utah |
| 4 | Alta N. Curtis | 27 | Wife | — | Idaho |
| 5 | La Ree Curtis | 8 | Daughter | — | Utah |
| 6 | Bonnie Curtis | 1 | Daughter | — | Utah |
| 7 | C. Roy Curtis | 44 | Head | Postmaster | Utah |
| 8 | Vivian Curtis | 37 | Wife | — | Utah |
| 9 | Morris L. Curtis | 17 | Son | — | Utah |
| 10 | Kirk Curtis | 15 | Son | — | Utah |
| 11 | Robert Curtis THIS PERSON | 12 | Son | — | Utah |
| 12 | Roma Curtis | 11 | Son | — | Utah |
| 13 | Joan Curtis | 8 | Daughter | — | Utah |
| 14 | Shauna Curtis | 6 | Daughter | — | Utah |
| 15 | Arthur Defriez | 41 | Head | Motorman | Utah |
| 16 | Laura P. Defriez | 35 | Wife | — | Utah |
| 17 | Shirley Defriez | 15 | Daughter | Family Worker | Utah |
| 18 | Ardis Defriez | 11 | Daughter | — | Utah |
| 19 | Bruce Defriez | 8 | Son | — | Utah |
| 20 | Clyde L. Defriez | 4 | Son | — | Utah |
| 21 | Philip Defriez | 2 | Son | — | Utah |
| 22 | Dixie Defriez | 0 | Daughter | — | Utah |
| 23 | Susie Curtis | 69 | Mother-in-law | — | Nevada |
| 24 | G. Gail Lecky | 36 | Head | Farmer | Utah |
| 25 | Erin P. Lecky | 33 | Wife | — | Utah |
| 26 | Carmen Lecky | 13 | Daughter | — | Utah |
| 27 | Maude Lecky | 9 | Daughter | — | Utah |
| 28 | Joseph O. Lecky | 7 | Son | — | Utah |
| 29 | Sally Lecky | 4 | Daughter | — | Utah |
| 30 | Infant Lecky | 0 | Daughter | — | Utah |
| 31 | W. Lester Stilson | 47 | Head | Teamster | Utah |
| 32 | L. Velma Stilson | 34 | Wife | — | Utah |
| 33 | Kent Stilson | 13 | Son | — | Utah |
| 34 | Alan L. Stilson | 11 | Son | — | Utah |
| 35 | Voy Stilson | 1 | Daughter | — | Utah |
| 36 | Charles A. Stilson | 72 | Head | Farmer | Nevada |
| 37 | Mary S. Stilson | 68 | Wife | — | Utah |
| 38 | Charles Stilson | 27 | Son | — | Utah |
| 39 | Della Jenkins | 39 | Head | — | Utah |
| 40 | Keith Jenkins | 16 | Son | — | Utah |
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)