DS
David Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Florida
Our Model Tree links this David Smith across the 1910, 1920, 1930 and 1940 US Censuses in Marion-County, Florida (XGBoost, ~Confirmed), with identified parents Willie & William — first a head (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Florida |
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Kendrick |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Rock crusher |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 420 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Truck Driver |
| Township / Ward | Kendrick |
| Est. Birth Year | ~1901 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Rosa Smith | Daughter | — | 17 | ~1923 |
| David Smith | Head | — | 39 | ~1901 |
| Ada Smith | Spouse | — | 34 | ~1906 |
Census Appearances
1910
Marion, Florida
Son, age 7
Marion, Florida · implied b. ~1903 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Can Read | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1920
Marion, Florida
Son, age 18
Marion, Florida · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer |
| Industry | Lime Kiln |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Marion, Florida
Head, age 28
Marion, Florida · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 20 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer |
| Industry | Rock Crusher |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Marion-County, Florida
Head, age 39
Marion-County, Florida · implied b. ~1901 — 3 household members
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Kendrick |
| 1935 Residence (County) | Marion |
| Occupation | Truck driver |
| Industry | Rock crusher |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 420 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 David Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Willie Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Bertha Smith (~0.60 confidence) and mother Rosa Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Willie Smith
b. ~1871
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Bertha Smith
b. ~1895
Source mother
● Household
· direct · ~0.6
Mother
Rosa Smith
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Smith
Head · 1940 · age 39 · b. ~1901 · Florida
★ 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 — Marion-County, Florida
Open full size
1940 US Federal Census — Marion-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00600-00877)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Susan Chappell | 25 | Wife | — | Florida |
| 2 | Preston Chappell | 70 | Father | — | Florida |
| 3 | Lula Chappell | 59 | Mother | — | Florida |
| 4 | Arnold B Janney | 74 | Head | Farmer | Georgia |
| 5 | Rosa Janney | 58 | Wife | — | South Carolina |
| 6 | Isaac E Goodyear | 42 | Head | Dairy | Florida |
| 7 | Martha Goodyear | 40 | Wife | — | Florida |
| 8 | Vivian Goodyear | 14 | Daughter | — | Florida |
| 9 | Louise Goodyear | 8 | Daughter | — | Florida |
| 10 | Edward Goodyear | 4 | Son | — | Florida |
| 11 | Thomas W. Day | 24 | Head | Farmer | Georgia |
| 12 | Mattie Day | 22 | Wife | — | Georgia |
| 13 | Richard Strapp | 75 | Head | — | Florida |
| 14 | Ella Strapp | 54 | Wife | — | Florida |
| 15 | Minnie Lee Strapp | 8 | Daughter | — | Florida |
| 16 | Nathaniel Strapp | 28 | Head | Wood Cutter | Florida |
| 17 | Luella Strapp | 26 | Wife | — | Florida |
| 18 | Clara Nell Strapp | 10 | Daughter | — | Florida |
| 19 | Minnie Lee Strapp | 10 | Daughter | — | Florida |
| 20 | Lee Ora Strapp | 9 | Daughter | — | Florida |
| 21 | Arnette Strapp | 6 | Daughter | — | Florida |
| 22 | Rufus Bruton | 35 | Head | Farmer | Florida |
| 23 | Sarah Bruton | 28 | Wife | — | Florida |
| 24 | Rufus Bruton | 16 | Son | — | Florida |
| 25 | Frank Bruton | 12 | Son | — | Florida |
| 26 | Joseph Ward | 45 | Head | Drying Machine | Florida |
| 27 | Hamilton Mildred Ward | 37 | Niece | — | Florida |
| 28 | Mildred M. Ward | 12 | Niece | — | Florida |
| 29 | Adell Ward | 9 | Niece | — | Florida |
| 30 | John Johnson | 44 | Head | Farmer | Florida |
| 31 | Eunice Brown | 47 | Head | Farmer | Florida |
| 32 | Lila Mae Birdoff | 31 | Housekeeper | — | Florida |
| 33 | Eunice Dodd | 25 | Head | S. Laborer | Florida |
| 34 | Nadine Dodd | 7 | Daughter | — | Florida |
| 35 | Venice Dodd | 5 | Son | — | Florida |
| 36 | David Smith THIS PERSON | 39 | Head | Truck Driver | Florida |
| 37 | Ada Smith | 34 | Wife | Manager | Florida |
| 38 | Rosa Lee Smith | 17 | Daughter | — | Florida |
| 39 | H. Lofton Lindsay | 42 | Head | Farmer | Georgia |
| 40 | Georgia B. Lindsay | 43 | Wife | — | Georgia |
Pedigree Summary
David
Gen 1 · 4 parents
~0.84
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)