DS
David Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this David Smith across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Omer — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Smith |
| Given Name | David E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Topper |
| Industry | Real Silk Hosiery Mills |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 849 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Topper |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| David Smith | Head | — | 25 | ~1915 |
| Michael Smith | Son | — | 2 | ~1938 |
| Kathryn Smith | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Marion, Indiana
Son, age 3
Marion, Indiana · implied b. ~1917
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Naturalization Status | Naturalized |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 14
Marion, Indiana · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 25
Marion-County, Indiana · implied b. ~1915 — 3 household members
| Surname | Smith |
| Given Name | David E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Topper |
| Industry | Real Silk Hosiery Mills |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 849 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Omer Smith (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Omer Smith
b. ~1898
Source father
● Household
· direct · ~0.92
This person
Anchor record
David Smith
Head · 1940 · age 25 · b. ~1915 · Indiana
★ 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, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01125-00721)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marjorie E. Cook | 3 | Daughter | — | Indiana |
| 2 | Harold E. Patterson | 38 | Head | Electrician | Indiana |
| 3 | Margaret G. Patterson | 38 | Wife | — | Indiana |
| 4 | Paul E. Patterson | 15 | Son | — | Indiana |
| 5 | Robert V. Patterson | 13 | Son | — | Indiana |
| 6 | Margaret K. Keithley | 65 | Mother | Cook | Indiana |
| 7 | Earl J. Keithley | 40 | Head | Bookkeeper | Indiana |
| 8 | Susan Keithley | 35 | Wife | — | Indiana |
| 9 | Francis Keithley | 12 | Son | — | Indiana |
| 10 | Louise Keithley | 7 | Daughter | — | Indiana |
| 11 | David E. Smith THIS PERSON | 25 | Head | Topper | Indiana |
| 12 | Kathryn G. Smith | 27 | Wife | Topper | Indiana |
| 13 | Michael E. Smith | 2 | Son | — | Indiana |
| 14 | Foster C. Bennett | 41 | Head | Boiler Fireman | Ohio |
| 15 | Mable M. Bennett | 36 | Wife | — | Indiana |
| 16 | Robert M. Bennett | 18 | Son | New Worker | Indiana |
| 17 | James C. Procter | 32 | Head | Engineer | Indiana |
| 18 | Mary C. Procter | 32 | Wife | — | Indiana |
| 19 | Evelyn M. Procter | 2 | Daughter | — | Indiana |
| 20 | Elizabeth A. Procter | 0 | Daughter | — | Indiana |
| 21 | Everett Silverthorn | 55 | Head | Salesman | Indiana |
| 22 | Laura A. Silverthorn | 52 | Wife | — | Indiana |
| 23 | Frederick H. Stolte | 51 | Head | Florist | Indiana |
| 24 | Anna L. Stolte | 54 | Wife | Seamstress | Kentucky |
| 25 | Joseph M. Wright | 62 | Head | — | Kentucky |
| 26 | Iva L. Wright | 55 | Wife | — | Kentucky |
| 27 | Irl L. Smith | 31 | Head | Clerk | Indiana |
| 28 | Grace E. Smith | 29 | Wife | — | Illinois |
| 29 | Anne R. Smith | 1 | Daughter | — | Indiana |
| 30 | Ralph W. Goetzke | 38 | Head | City Mail Carrier | Illinois |
| 31 | Margaret E. Goetzke | 29 | Wife | — | Illinois |
| 32 | Nancy J. Goetzke | 2 | Daughter | — | Illinois |
| 33 | Ira J. Shepherd | 23 | Head | Office Clerk | Indiana |
| 34 | Ruth V. Shepherd | 25 | Wife | Comptometer | Indiana |
| 35 | Donald H. Conrad | 32 | Head | Mail Carrier | Indiana |
| 36 | Evelyn M. Conrad | 28 | Wife | Tabazer Operator | Indiana |
| 37 | Ralph R. Richman | 33 | Head | Superintendent | Indiana |
| 38 | Ethel M. Richman | 28 | Wife | — | Indiana |
| 39 | Janet M. Richman | 5 | Daughter | — | Indiana |
| 40 | Henry W. Steele | 48 | Head | Tool Clerk | Indiana |
Pedigree Summary
David
Gen 1 · 1 parents
~0.92
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)