DS
David Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clermont-County, Ohio
Our Model Tree links this David Smith across the 1920, 1930 and 1940 US Censuses in Clermont-County, Ohio (XGBoost, ~Confirmed), with identified parents Delbert & Delmer — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clermont-County, Ohio |
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Batavia Village |
| 1935 Residence (County) | Clermont |
| Additional Details | |
| Occupation | Labor |
| Industry | WPA Project |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 488 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Labor |
| Township / Ward | Batavia Village |
| 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 |
| Glen Smith | Son | — | 5 | ~1935 |
| Evalyn Smith | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Clermont, Ohio
Son, age 3
Clermont, Ohio · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clermont, Ohio
Son, age 14
Clermont, Ohio · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clermont-County, Ohio
Head, age 25
Clermont-County, Ohio · implied b. ~1915 — 3 household members
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Batavia Village |
| 1935 Residence (County) | Clermont |
| Occupation | Labor |
| Industry | WPA Project |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 488 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Delbert Smith (~0.92 confidence) and father Delmer Smith (~0.92 confidence) and mother Ellen Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Delbert Smith
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Delmer Smith
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Ellen Smith
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Smith
Head · 1940 · age 25 · b. ~1915 · Ohio
★ 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 — Clermont-County, Ohio
Open full size
1940 US Federal Census — Clermont-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03041-00030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rolla E. Anderson | 64 | Head | — | Ohio |
| 2 | Emma Anderson | 63 | Wife | — | Ohio |
| 3 | Jean Geiger | 19 | Granddaughter | — | Ohio |
| 5 | David Smith THIS PERSON | 25 | Head | Labor | Ohio |
| 6 | Evalyn Smith | 25 | Wife | — | Ohio |
| 7 | Glen Smith | 5 | Son | — | Ohio |
| 8 | Charles Woods | 23 | Head | Labor | Ohio |
| 9 | Floune Woods | 28 | Wife | — | Kentucky |
| 10 | William Gardner | 70 | Head | — | Ohio |
| 11 | Linda Gardner | 60 | Wife | — | Kentucky |
| 12 | Bernard Gardner | 22 | Son | Labor | Ohio |
| 13 | Dale De Maria | 33 | Head | Planner Hand | Ohio |
| 14 | Lola De Maria | 30 | Wife | — | Ohio |
| 15 | Paul De Maria | 12 | Son | — | Ohio |
| 16 | Donald De Maria | 7 | Son | — | Ohio |
| 17 | Fred Winters | 51 | Head | Station Agent | Ohio |
| 18 | Verna Winters | 45 | Wife | — | Ohio |
| 19 | William Winters | 22 | Son | Sub Telgraph Oper | Ohio |
| 20 | James Gregg | 27 | Head | Salesman | Ohio |
| 21 | Dorthy Gregg | 22 | Wife | — | Ohio |
| 22 | Susan Gregg | 0 | Daughter | — | Ohio |
| 23 | Paul K. Moore | 36 | Head | Superintendent Co. | North Carolina |
| 24 | Alice Moore | 32 | Wife | — | Ohio |
| 25 | Kenbrough Moore | 5 | Son | — | Ohio |
| 26 | Hattie Jarman | 61 | Mother-in-law | — | Ohio |
| 27 | Cora E. Bishop | 70 | Head | — | Ohio |
| 28 | William Bishop | 36 | Son | Contract Painter | Washington D.C. |
| 29 | Robert Foster | 41 | Head | Grocery Clerk | Ohio |
| 30 | Alice Foster | 41 | Wife | — | Ohio |
| 31 | Norma Foster | 19 | Daughter | — | Ohio |
| 32 | Margaret Stenten | 35 | Head | Elementary Teacher | Kentucky |
| 33 | Loris Stenten | 8 | Daughter | — | Ohio |
| 34 | Joe M. Skaggs | 25 | Lodger | 3Rd Grade | Kentucky |
| 35 | Marie Huddle | 22 | Lodger | 3Rd Grade | Ohio |
| 36 | James Skelton | 25 | Lodger | English Teacher | Ohio |
| 37 | Cornelius Mcclay | 45 | Head | Dentist | Ohio |
| 38 | Pauline Mcclay | 39 | Wife | — | Ohio |
| 39 | Betty J. Mcclay | 17 | Daughter | — | Ohio |
| 40 | James Mcclay | 9 | Son | — | Ohio |
Pedigree Summary
David
Gen 1 · 3 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)