CS
Charles Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pinal-County, Arizona
Our Model Tree links this Charles Smith across the 1920, 1930 and 1940 US Censuses in Pinal-County, Arizona (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Male
Son
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pinal-County, Arizona |
| Surname | Smith |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | G.S.D-2 |
| 1935 Residence (County) | Pinal |
| Additional Details | |
| Occupation | Miner |
| Industry | Silver mine |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 360 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Miner |
| Township / Ward | Gsd2 |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Smith | Head | — | 63 | ~1877 |
| Ofia Smith | Other | — | 29 | ~1911 |
| Harry Smith | Other | — | 4 | ~1936 |
| Charles Smith | Other | — | 8 | ~1932 |
| Charles Smith | Son | — | 30 | ~1910 |
| Zyg Smith | Son | — | 21 | ~1919 |
| Elizabeth Smith | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Pinal, Arizona
Son, age 10
Pinal, Arizona · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Arizona |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Pinal, Arizona
Son, age 20
Pinal, Arizona · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Arizona |
| Occupation | Miner |
| Industry | Copper Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Pinal-County, Arizona
Son, age 30
Pinal-County, Arizona · implied b. ~1910 — 7 household members
| Surname | Smith |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | G.S.D-2 |
| 1935 Residence (County) | Pinal |
| Occupation | Miner |
| Industry | Silver mine |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 360 |
| Highest Grade | No 8 |
| 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 Charles Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Smith (~0.92 confidence) and father Charles Smith (~0.92 confidence) and father Charles Smith (~0.92 confidence) and mother Lucy Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence) and mother Elizabeth Smith (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Charles Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Lucy Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1899
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Charles Smith
Son · 1940 · age 30 · b. ~1910 · Arizona
★ You are viewing this record
Sibling
Zyg Smith
Sibling · 1940 · age 21
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 — Pinal-County, Arizona
Open full size
1940 US Federal Census — Pinal-County, Arizona
Page Contents
31 people indexed on this census page (nara:1940:m-t0627-00113-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruby O. Clark | 22 | Wife | Co-Owner | Texas |
| 42 | Edwyn Corrineau | 17 | Lodger | Truck Driver | Arizona |
| 43 | Arthur H. Canfil | 24 | Head | Trucker | Missouri |
| 44 | Mildred Canfil | 20 | Wife | Usher | Arizona |
| 45 | Walter M. Stacey | 35 | Head | Foreman | Colorado |
| 46 | Zelda O. Stacey | 25 | Wife | — | Michigan |
| 47 | Robert W. Stacey | 6 | Son | — | Arkansas |
| 48 | Fred Johnson | 46 | Lodger | Miner | Finland |
| 49 | Albert J. Smith | 32 | Head | Miner | Arizona |
| 50 | Eloise O. Smith | 32 | Wife | — | Texas |
| 51 | Billy (Ab) Curry | 10 | Son | — | Oklahoma |
| 52 | Charles H. Smith | 63 | Head | Pumpman | Michigan |
| 53 | Elizabeth O. Smith | 41 | Wife | — | Arizona |
| 54 | Zyg S. Smith | 21 | Son | — | Arizona |
| 55 | Charles M. Smith THIS PERSON | 30 | Son | Miner | Arizona |
| 56 | Ofia C. Smith | 29 | Daughter in law | — | Arizona |
| 57 | Charles M. Smith | 8 | Grandson | — | Arizona |
| 58 | Harry E. Smith | 4 | Grandson | — | Arizona |
| 59 | Ethel O. Smith | 51 | Head | Cow Hand | Oklahoma |
| 60 | Anna Smith | 21 | Daughter | — | Arizona |
| 61 | Jack Eualson | 57 | Head | Miner | Missouri |
| 62 | Sophia O. Eualson | 51 | Wife | — | Arizona |
| 63 | Arthur J. Eualson | 55 | Brother | Miner | Missouri |
| 64 | Nicholas Bannard | 45 | Head | Leasee | Wisconsin |
| 65 | Lynn O. Leon | 35 | Partner | Leasee | New Mexico |
| 66 | Earl O. Mc Grew | 21 | Partner | Mucker | Arizona |
| 67 | Pete O. Kraker | 55 | Partner | Co-Leasee | Austria |
| 68 | Francisco B. Harquas | 58 | Head | Cow Hand | Arizona |
| 69 | Margarita Harquas | 58 | Wife | — | Arizona |
| 70 | Here Ends Enumeration Of Rural District Of E.D. 11-11 | None | — | — | — |
| 71 | Ormily | 40 | Head | Plummer | Arizona |
Related Census Records
Pedigree Summary
Charles + 1 sibling
Gen 1 · 6 parents
~0.87
Max depth 4 (1900–1950 window)
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)