IS
Ira Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Russell-County, Kentucky
Our Model Tree links this Ira Smith across the 1920, 1930 and 1940 US Censuses in Russell-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 4-person household.
Age 58
b. ~1882
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Russell-County, Kentucky |
| Surname | Smith |
| Given Name | Ira C. D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist #2 |
| 1935 Residence (County) | Russell |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farmer |
| Township / Ward | Mag Dist 2 |
| Est. Birth Year | ~1882 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ira | Age | Birth yr |
|---|---|---|---|---|
| Reta Smith | Daughter | — | 16 | ~1924 |
| Ira Smith | Head | — | 58 | ~1882 |
| Vance Smith | Son | — | 18 | ~1922 |
| Hulda Smith | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Russell, Kentucky
Head, age 37
Russell, Kentucky · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ira C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | general farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Russell, Kentucky
Head, age 48
Russell, Kentucky · implied b. ~1882 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Isah |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 30 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Russell-County, Kentucky
Head, age 58
Russell-County, Kentucky · implied b. ~1882 — 4 household members
| Surname | Smith |
| Given Name | Ira C. D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist #2 |
| 1935 Residence (County) | Russell |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Ira Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ira Smith
Head · 1940 · age 58 · b. ~1882 · Kentucky
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Russell-County, Kentucky
Open full size
1940 US Federal Census — Russell-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01354-00500)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gregory Jones | 18 | Son | Laborer | Kentucky |
| 42 | John D. Jones | 16 | Son | Laborer | Kentucky |
| 43 | Claude D. Overton | 32 | Head | Farmer | Kentucky |
| 44 | Beulah Overton | 32 | Wife | — | Kentucky |
| 45 | Leonard Overton | 7 | Son | — | Kentucky |
| 46 | Aaron Overton | 3 | Son | — | Kentucky |
| 47 | Eva Overton | 0 | Daughter | — | Kentucky |
| 48 | Ira C. D. Smith THIS PERSON | 58 | Head | Farmer | Kentucky |
| 49 | Hulda Smith | 50 | Wife | — | Tennessee |
| 50 | Vance (S.) Smith | 18 | Son | — | Kentucky |
| 51 | Reta Faye Smith | 16 | Daughter | — | Kentucky |
| 52 | Lonnie M. Smith | 72 | Head | — | Kentucky |
| 53 | Cora Gentry | 70 | Sister | — | Kentucky |
| 54 | Maggie Smith | 69 | Sister | — | Kentucky |
| 55 | Marion Deffron | 74 | Head | Farmer | Kentucky |
| 56 | Mary E. Deffron | 68 | Wife | — | Kentucky |
| 57 | John Holder | 34 | Son-in-law | Salesman | Kentucky |
| 58 | Alma Holder | 31 | Daughter | — | Kentucky |
| 59 | Woodrow Deffron | 22 | Son | Laborer | Kentucky |
| 60 | Blanche Holder | 10 | Daughter | — | Kentucky |
| 61 | Barbara Holder | 8 | Daughter | — | Kentucky |
| 62 | Bobbie Sue Holder | 5 | Daughter | — | Kentucky |
| 63 | Kyle Deffron | 42 | Head | Laborer | Kentucky |
| 64 | Lara Deffron | 44 | Wife | — | Kentucky |
| 65 | Elizabeth Deffron | 17 | Daughter | — | Kentucky |
| 66 | Bryant Deffron | 16 | Son | Laborer | Kentucky |
| 67 | Marceline Deffron | 11 | Daughter | — | Kentucky |
| 68 | Ethard W. Deffron | 6 | Son | — | Kentucky |
| 69 | Pete Chumbley | 40 | Head | Farmer | Kentucky |
| 70 | Nettie Chumbley | 38 | Wife | — | Kentucky |
| 71 | Thelma Chumbley | 17 | Daughter | — | Kentucky |
| 72 | Morris Chumbley | 15 | Son | Laborer | Kentucky |
| 73 | Carson Chumbley | 12 | Son | — | Kentucky |
| 74 | James Chumbley | 10 | Son | — | Kentucky |
| 75 | Louise Chumbley | 8 | Daughter | — | Kentucky |
| 76 | Omri Chumbley | 4 | Son | — | Kentucky |
| 77 | Linda Chumbley | 1 | Daughter | — | Kentucky |
| 78 | Sam Dunbar | 41 | Head | Farmer | Kentucky |
| 79 | Lela Dunbar | 40 | Wife | — | Kentucky |
| 80 | Joe Long Dunbar | 17 | Son | — | Kentucky |
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)