GK
George Keller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Seneca-County, Ohio
Our Model Tree links this George Keller across the 1920, 1930 and 1940 US Censuses in Seneca-County, Ohio (XGBoost, ~Confirmed), with identified parents Enos & Lewis — first a son (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Seneca-County, Ohio |
| Surname | Keller |
| Given Name | George W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Tiffin |
| 1935 Residence (County) | Seneca |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machinery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1092 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Machinist |
| Township / Ward | Tiffin |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Jerome Keller | Son | — | 16 | ~1924 |
| Mary Keller | Daughter | — | 13 | ~1927 |
| Bertha Keller | Spouse | — | 50 | ~1890 |
| Lewis Keller | Head | — | 51 | ~1889 |
| John Keller | Son | — | 11 | ~1929 |
| Robert Keller | Son | — | 9 | ~1931 |
| George Keller | Son | — | 25 | ~1915 |
| Anna Keller | Other | — | 49 | ~1891 |
Census Appearances
1920
Seneca, Ohio
Son, age 5
Seneca, Ohio · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Seneca, Ohio
Son, age 15
Seneca, Ohio · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | George W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Seneca-County, Ohio
Son, age 25
Seneca-County, Ohio · implied b. ~1915 — 8 household members
| Surname | Keller |
| Given Name | George W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Tiffin |
| 1935 Residence (County) | Seneca |
| Occupation | Machinist |
| Industry | Machinery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1092 |
| 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 George Keller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Enos Keller (~0.92 confidence) and father Lewis Keller (~0.92 confidence) and father Louis Keller (~0.92 confidence) and mother Bertha Keller (~0.92 confidence) and mother Bertha Keller (~0.92 confidence) and mother Bertha Keller (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Enos Keller
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Lewis Keller
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Louis Keller
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Bertha Keller
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Bertha Keller
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Bertha Keller
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Keller
Son · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
John Keller
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Keller
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Keller
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Keller
Sibling · 1940 · age 9
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 — Seneca-County, Ohio
Open full size
1940 US Federal Census — Seneca-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03145-00579)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | H. Albert Pfeiffer | 49 | Head | Service Man | Ohio |
| 42 | Ruth C. Pfeiffer | 47 | Wife | — | Ohio |
| 43 | Marie Pfeiffer | 25 | Daughter | Waitress | Ohio |
| 44 | Richard A. Pfeiffer | 23 | Son | Accountant | Ohio |
| 45 | Janet L. Pfeiffer | 10 | Daughter | — | Ohio |
| 46 | Russell D. Pfeiffer | 21 | Son | Surveyor | Ohio |
| 47 | Alice C. Pfeiffer | 18 | Daughter-in-law | — | Ohio |
| 48 | Nevin E. Platt | 52 | Head | Manager | Ohio |
| 49 | Clara Platt | 35 | Wife | — | Ohio |
| 50 | Joan M. Platt | 16 | Daughter | — | Ohio |
| 51 | Mary J. Platt | 14 | Daughter | — | Ohio |
| 52 | Lewis J. Keller | 51 | Head | Machinist | Ohio |
| 53 | Bertha E. Keller | 50 | Wife | — | Ohio |
| 54 | George W. Keller THIS PERSON | 25 | Son | Machinist | Ohio |
| 55 | Jerome Keller | 16 | Son | — | Ohio |
| 56 | Mary C. Keller | 13 | Daughter | — | Ohio |
| 57 | John P. Keller | 11 | Son | — | Ohio |
| 58 | Robert A. Keller | 9 | Son | — | Ohio |
| 59 | Anna C. Keller | 49 | Sister | — | Ohio |
| 60 | James D. Brinson | 34 | Head | Merchant | Ohio |
| 61 | Mary E. Brinson | 33 | Wife | — | Ohio |
| 62 | Geraldine Brinson | 6 | Daughter | — | Ohio |
| 63 | Barbara Brinson | 4 | Daughter | — | Ohio |
| 64 | Ralph W. Bickham | 28 | Lodger | Shipping Clerk | Ohio |
| 65 | John C. Mcconnell | 39 | Head | Lineman | Ohio |
| 66 | Dorothy V. Mcconnell | 32 | Wife | — | Ohio |
| 67 | Phyllis D. Mcconnell | 11 | Daughter | — | Ohio |
| 68 | John C. Mcconnell | 10 | Son | — | Ohio |
| 69 | Robert J. Mcconnell | 6 | Son | — | Ohio |
| 70 | Janet L. Mcconnell | 2 | Daughter | — | Ohio |
| 71 | Lauritz P. Larsen | 44 | Head | Proprietor | Ohio |
| 72 | Clara A. Larsen | 44 | Wife | — | Ohio |
| 73 | Leighton W. Larsen | 16 | Son | — | Ohio |
| 74 | Leslie B. Benjamin | 47 | Head | Dairyman | Ohio |
| 75 | Mary E. Benjamin | 36 | Wife | — | Indiana |
| 76 | Andrew Weigel | 88 | Head | — | Pennsylvania |
| 77 | Gertrude (X) Weigel | 57 | Daughter | Bookkeeper | Ohio |
| 78 | Lena Weigel | 56 | Daughter | — | Ohio |
| 79 | Boyd Parkins | 49 | Head | Stationary Engineer | Ohio |
| 80 | Leona (X) Parkins | 48 | Wife | — | Ohio |
Pedigree Summary
George + 4 siblings
Gen 1 · 6 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)