OS
Opal Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greenlee-County, Arizona
Our Model Tree links this Opal Smith across the 1930 and 1940 US Censuses in Greenlee-County, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Female
Daughter
Born: Arizona
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greenlee-County, Arizona |
| Surname | Smith |
| Given Name | Opal |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Clifton town |
| 1935 Residence (County) | Greenlee |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Clifton Town |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Opal | Age | Birth yr |
|---|---|---|---|---|
| Johnny Smith | Son | — | 7 | ~1933 |
| Jay Smith | Son | — | 1 | ~1939 |
| David Smith | Head | — | 45 | ~1895 |
| Rena Smith | Spouse | — | 38 | ~1902 |
| Charlotte Smith | Daughter | — | 16 | ~1924 |
| Linda Smith | Daughter | — | 5 | ~1935 |
| David Smith | Son | — | 20 | ~1920 |
| Opal Smith | Daughter | — | 14 | ~1926 |
| Jane Smith | Daughter | — | 3 | ~1937 |
| Margaret Smith | Daughter | — | 9 | ~1931 |
| Colin Smith | Son | — | 12 | ~1928 |
Census Appearances
1930
Greenlee, Arizona
Daughter, age 5
Greenlee, Arizona · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Opal |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Texas |
| Mother's Birthplace | Arizona |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Greenlee-County, Arizona
Daughter, age 14
Greenlee-County, Arizona · implied b. ~1926 — 11 household members
| Surname | Smith |
| Given Name | Opal |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Clifton town |
| 1935 Residence (County) | Greenlee |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 Opal Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Opal Smith
Daughter · 1940 · age 14 · b. ~1926 · Arizona
★ You are viewing this record
Sibling
Charlotte Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Linda Smith
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnny Smith
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jay Smith
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Colin Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Smith
Sibling · 1940 · age 3
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 — Greenlee-County, Arizona
Open full size
1940 US Federal Census — Greenlee-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00103-00432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert P Turner | 21 | Head | Truck Driver | Texas |
| 2 | Hiram B Williams | 40 | Lodger | State Contractor | Missouri |
| 3 | Harry G Welch | 31 | Lodger | Laborer | Colorado |
| 4 | David Smith | 45 | Head | Mechanic | Texas |
| 5 | Rena Smith | 38 | Wife | — | Arizona |
| 6 | David Smith | 20 | Son | Laborer | Arizona |
| 7 | Charlotte Smith | 16 | Daughter | — | Arizona |
| 8 | Opal Smith THIS PERSON | 14 | Daughter | — | Arizona |
| 9 | Colin Smith | 12 | Son | — | Arizona |
| 10 | Margaret Smith | 9 | Daughter | — | Arizona |
| 11 | Johnny Smith | 7 | Son | — | Arizona |
| 12 | Linda Smith | 5 | Daughter | — | Arizona |
| 13 | Jane Smith | 3 | Daughter | — | Arizona |
| 14 | Jay Smith | 1 | Son | — | Arizona |
| 15 | Alfred Romer | 21 | Head | Laborer | Arizona |
| 16 | Estefana Romer | 21 | Wife | — | Arizona |
| 17 | Gloria Romer | 2 | Daughter | — | Arizona |
| 18 | Ramon Rodriguez | 58 | Head | New Worker | Arizona |
| 19 | Maria Rodriguez | 48 | Wife | — | Arizona |
| 20 | Pomposo Gonzales | 61 | Head | — | Mexico |
| 21 | Refugio Gonzales | 58 | Wife | — | Mexico |
| 22 | Ralph Morales | 47 | Head | Laborer | Mexico |
| 23 | Frances Morales | 40 | Wife | — | Mexico |
| 24 | Antonia Morales | 27 | Daughter | — | Mexico |
| 25 | Josephine Morales | 21 | Daughter | Recorder | Arizona |
| 26 | Ralph Morales | 18 | Son | Salesman | Arizona |
| 27 | Elena Morales | 16 | Daughter | — | Arizona |
| 28 | Frances Morales | 15 | Daughter | — | Arizona |
| 29 | Elpidia Morales | 14 | Daughter | — | Arizona |
| 30 | Ishean Morales | 13 | Daughter | — | Arizona |
| 31 | Carmen Morales | 12 | Daughter | — | Arizona |
| 32 | Jose Morales | 8 | Son | — | Arizona |
| 33 | Rogelia Morales | 7 | Son | — | Arizona |
| 34 | Emilia Morales | 5 | Daughter | — | Arizona |
| 35 | Silvia Morales | 3 | Daughter | — | Arizona |
| 36 | Alice Morales | 1 | Daughter | — | Arizona |
| 37 | Petra Chavez | 67 | Mother-in-law | — | Mexico |
| 38 | Ignacio Medina | 41 | Head | Laborer | Arizona |
| 39 | Genoveva Medina | 27 | Wife | — | Arizona |
| 40 | Frank Medina | 5 | Son | — | Arizona |
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)