ES
Elmer Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Elmer Smith across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents John & Mary — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Smith |
| Given Name | Elmer R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Inspector |
| Industry | Elec. Equipment |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Inspector |
| Township / Ward | Dayton |
| Est. Birth Year | ~1907 |
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 Elmer | Age | Birth yr |
|---|---|---|---|---|
| Elmer Smith | Head | — | 33 | ~1907 |
| Thelma Mallet | Other | — | 39 | ~1901 |
| Doris Smith | Son | — | 5 | ~1935 |
| Glenna Smith | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Montgomery, Ohio
Son, age 13
Montgomery, Ohio · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Head, age 24
Montgomery, Ohio · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 22 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Printer |
| Industry | Publishers |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 32 |
| Radio Set | R |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Head, age 33
Montgomery-County, Ohio · implied b. ~1907 — 4 household members
| Surname | Smith |
| Given Name | Elmer R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Occupation | Inspector |
| Industry | Elec. Equipment |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | Hs 4 |
| 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 Elmer Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Smith
Head · 1940 · age 33 · b. ~1907 · 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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03255-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer R. Smith THIS PERSON | 33 | Head | Inspector | Ohio |
| 42 | Glenna L. Smith | 31 | Wife | Laundry Binding | Ohio |
| 43 | Doris L. Smith | 5 | Son | — | Ohio |
| 44 | Thelma Mallet | 39 | Housekeeper | Housekeeper | Ohio |
| 45 | Louis B. Schultz | 46 | Head | Mechanic Auto | Ohio |
| 46 | Catherine G. Schultz | 42 | Wife | — | Ohio |
| 47 | Mary Catherine Schultz | 15 | Daughter | — | Ohio |
| 48 | Louis J. Schultz | 13 | Son | — | Ohio |
| 49 | Rosemary Schultz | 10 | Daughter | — | Ohio |
| 50 | Robert Schultz | 4 | Son | — | Ohio |
| 51 | Daniel T. Connell | 37 | Head | Cost Accountant | Ohio |
| 52 | Josephine Connell | 37 | Wife | — | Ohio |
| 53 | Daniel J. Connell | 11 | Son | — | Ohio |
| 54 | Judith J. Connell | 8 | Son | — | Ohio |
| 55 | Frank Hooster | 83 | Head | — | Ohio |
| 56 | Elizabeth M. Hooster | 80 | Wife | — | New York |
| 57 | Bessie Hoover | 53 | Lodger | Housework | Ohio |
| 58 | Katie Haas | 63 | Head | President | Germany |
| 59 | Alfred Claussen | 32 | Son | Assembler | Germany |
| 60 | Helen Claussen | 32 | Daughter | — | Ohio |
| 61 | Block 13 And Begins Block 14. | None | — | — | — |
| 62 | Ralph H. Knoke | 34 | Head | Dairy Manager | Ohio |
| 63 | Clara Jane Knoke | 30 | Wife | — | Ohio |
| 64 | Barbara Knoke | 10 | Daughter | — | Ohio |
| 65 | Joseph Specke | 24 | Lodger | Office Clerk | Ohio |
| 66 | Edward O'Hearn | 46 | Head | Assembler | Ohio |
| 67 | Catherine O'Hearn | 46 | Wife | — | Kentucky |
| 68 | Edward Jr. O'Hearn | 11 | Son | — | Ohio |
| 69 | Rose Wyatt | 45 | Sister-in-law | Bookkeeper | Kentucky |
| 70 | Robert S. Forstman | 30 | Head | Superintendent | Ohio |
| 71 | Lois Forstman | 30 | Wife | Stenographer | Ohio |
| 72 | Betty Ann Forstman | 9 | Daughter | — | Ohio |
| 73 | Ann Boyer | 48 | Mother-in-law | — | Ohio |
| 74 | Elwood H. Klaus | 50 | Head | Designer & Decorator | Ohio |
| 75 | Mamie Klaus | 48 | Wife | Saleswoman | Indiana |
| 76 | Irvin T. Link | 29 | Head | Clerk Order Dept. | Ohio |
| 77 | Jane Link | 25 | Wife | — | Ohio |
| 78 | Patrick Link | 1 | Son | — | Ohio |
| 79 | Louis Honk | 60 | Head | Mail Cutter | Ohio |
| 80 | Elizabeth M. Honk | 48 | Wife | — | Ohio |
Pedigree Summary
Elmer
Gen 1 · 2 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)