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Jack Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Davidson-County, Tennessee
Our Model Tree links this Jack Smith across the 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 10-person household.
Age 20
b. ~1920
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Davidson-County, Tennessee |
| Surname | Smith |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville City |
| 1935 Residence (County) | Davidson |
| Additional Details | |
| Occupation | Mechanic for installing furnaces |
| Industry | Heating Supply & Coke Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 252 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Mechanic For Installing Furnaces |
| Township / Ward | Nashville City |
| Est. Birth Year | ~1920 |
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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Edie Smith | Daughter | — | 19 | ~1921 |
| Jessie Smith | Daughter | — | 8 | ~1932 |
| Anny Smith | Daughter | — | 4 | ~1936 |
| Joe Smith | Head | — | 44 | ~1896 |
| Patrick Smith | Son | — | 10 | ~1930 |
| Jack Smith | Son | — | 20 | ~1920 |
| Joe Smith | Son | — | 6 | ~1934 |
| Harold Smith | Son | — | 16 | ~1924 |
| Clarence Smith | Son | — | 13 | ~1927 |
| Jessie Smith | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Davidson, Tennessee
Son, age 9
Davidson, Tennessee · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Davidson-County, Tennessee
Son, age 20
Davidson-County, Tennessee · implied b. ~1920 — 10 household members
| Surname | Smith |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville City |
| 1935 Residence (County) | Davidson |
| Occupation | Mechanic for installing furnaces |
| Industry | Heating Supply & Coke Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 252 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Jack Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Smith
Son · 1940 · age 20 · b. ~1920 · Tennessee
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Sibling
Anny Smith
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Smith
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Smith
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edie Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Smith
Sibling · 1940 · age 16
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 — Davidson-County, Tennessee
Open full size
1940 US Federal Census — Davidson-County, Tennessee
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03974-00630)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James C. Chadwell | 32 | Son | Automobile Salesman | Tennessee |
| 42 | Joe H. Smith | 44 | Head | Salesman For Heating Equip. | Georgia |
| 43 | Jessie G. Smith | 41 | Wife | — | Tennessee |
| 44 | Harold Smith | 16 | Son | General Office Work | N. Carolina |
| 45 | Clarence Smith | 13 | Son | — | N. Carolina |
| 46 | Patrick Smith | 10 | Son | — | N. Carolina |
| 47 | Jessie Jean Smith | 8 | Daughter | — | Tennessee |
| 48 | Joe Smith | 6 | Son | — | Tennessee |
| 49 | Anny Smith | 4 | Daughter | — | Tennessee |
| 50 | Jack Smith THIS PERSON | 20 | Son | Mechanic For Installing Furnaces | Tennessee |
| 51 | Edie Smith | 19 | Daughter | — | Tennessee |
| 53 | George A. Stanley | 47 | Head | Pipe Fitter | Tennessee |
| 54 | Maudie W. Stanley | 46 | Wife | — | Tennessee |
| 55 | George A. Jr. Stanley | 17 | Son | — | Tennessee |
| 56 | Charles Stanley | 15 | Son | — | Tennessee |
| 57 | Lois E. Stanley | 12 | Daughter | — | Tennessee |
| 58 | James F. Stanley | 11 | Son | — | Tennessee |
| 59 | James H. Warman | 59 | Head | Railroad Engineer | Tennessee |
| 60 | Lena J. Warman | 52 | Wife | — | Tennessee |
| 61 | George E. (Jr) Warman | 34 | Son | — | Tennessee |
| 62 | H. Robert Warman | 13 | Son | — | Tennessee |
| 63 | Ray Shaw | 26 | Son-in-law | Waiter | Tennessee |
| 64 | Edna K. Shaw | 19 | Daughter | Saleswoman | Tennessee |
| 65 | Lewis Cook | 30 | Head | Shoe Finisher | Tennessee |
| 66 | Clarice Cook | 27 | Wife | — | Tennessee |
| 67 | Asa W. Knight | 67 | Father-in-law | — | Tennessee |
| 68 | Annie Lee Moore | 30 | Head | Spool Winder | Tennessee |
| 69 | Willie Clarence Moore | 10 | Son | — | Tennessee |
| 70 | Herman Dale Moore | 4 | Son | — | Tennessee |
| 71 | Helen Joan Moore | 1 | Daughter | — | Tennessee |
| 72 | Jessie E. Harris | 39 | Head | Automobile Mechanic | Tennessee |
| 73 | Grace W. Harris | 32 | Wife | — | Colorado |
| 74 | Hilary Harris | 15 | Son | — | Colorado |
| 75 | Jean Harris | 12 | Daughter | — | Tennessee |
| 76 | Gary Harris | 8 | Son | — | Tennessee |
| 77 | Mollie Harris | 20 | Niece | General Office Work | Tennessee |
| 78 | Elbert Hughes Wright | 37 | Head | Meter Reader | Tennessee |
| 79 | Mary Robie Wright | 34 | Wife | — | Tennessee |
| 80 | Elsie May Wright | 11 | Daughter | — | Tennessee |
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)