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John Keller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this John Keller across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Frank & John — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Keller |
| Given Name | John W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rose Town |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Helper |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 490 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Helper |
| Township / Ward | Rose Town |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Jane Keller | Daughter | — | 24 | ~1916 |
| Doris Keller | Daughter | — | 15 | ~1925 |
| John Keller | Son | — | 22 | ~1918 |
| Charlotte Keller | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 2
Ramsey, Minnesota · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 12
Ramsey, Minnesota · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 22
Ramsey-County, Minnesota · implied b. ~1918 — 4 household members
| Surname | Keller |
| Given Name | John W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rose Town |
| 1935 Residence (County) | Ramsey |
| Occupation | Helper |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 490 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 John Keller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Keller (~0.92 confidence) and father John Keller (~0.92 confidence) and mother Charlotte Keller (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Keller
b. ~1886
Source father
● Household
· direct · ~0.92
Father
John Keller
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Charlotte Keller
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Keller
Son · 1940 · age 22 · b. ~1918 · Minnesota
★ You are viewing this record
Sibling
Doris Keller
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Keller
Sibling · 1940 · age 24
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01950-00810)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charlotte Keller | 45 | wife | — | Minnesota |
| 2 | Jane K Keller | 24 | daughter | Artist | Minnesota |
| 3 | John W Keller THIS PERSON | 22 | son | Helper | Minnesota |
| 4 | Doris C Keller | 15 | daughter | — | Minnesota |
| 5 | John O Quersow | 74 | Head | — | Norway |
| 6 | Hanna Quersow | 76 | wife | — | Norway |
| 7 | Paul L Durgin | 47 | Head | Painter | Minnesota |
| 8 | Myrtle L Durgin | 53 | wife | — | Minnesota |
| 9 | Patricia J Durgin | 15 | son | — | Minnesota |
| 10 | Josephine Durgin | 14 | daughter | — | Minnesota |
| 11 | Albert L Durgin | 72 | father | — | Minnesota |
| 12 | Warren E Powell | 27 | Head | Manager | Minnesota |
| 13 | Hazel R Powell | 27 | wife | — | Minnesota |
| 14 | Patricia A Powell | 3 | daughter | — | Minnesota |
| 15 | Elmer K Buckingham | 37 | Head | Helper | Minnesota |
| 16 | Rose I Buckingham | 30 | wife | — | Minnesota |
| 17 | Mary L Buckingham | 4 | daughter | — | Minnesota |
| 18 | Elmer K Buckingham | 1 | son | — | Minnesota |
| 19 | Olive K.D Toole | 55 | Head | — | Minnesota |
| 20 | Robert L Toole | 17 | son | — | Minnesota |
| 21 | Silas S Toole | 20 | son | Mechanic | Minnesota |
| 22 | Ward E. Parker | 39 | Head | — | Minnesota |
| 23 | Florence I Parker | 36 | wife | — | Minnesota |
| 24 | Ramona J Parker | 11 | daughter | — | Minnesota |
| 25 | Raymond A Spielman | 19 | Nephew | — | No Dakota |
| 26 | Charles M Meehan | 56 | Head | Horse Trainer | Minnesota |
| 27 | Dorothea L Meehan | 50 | wife | Seamstress | Wisconsin |
| 28 | George W Seurth | 28 | Son in law | Horse Trainer | Minnesota |
| 29 | Harriet B Seurth | 27 | daughter | Seamstress | Minnesota |
| 30 | George R Seurth | 5 | Grand son | — | Minnesota |
| 31 | William E Seurth | 3 | Grand son | — | Minnesota |
| 32 | James F Seurth | 0 | Grand son | — | Minnesota |
| 33 | Ruth M Meehan | 25 | daughter | Stenographer | Minnesota |
| 34 | Daniel O Newgard | 65 | Head | Locomotive Engineer | Minnesota |
| 35 | Edith A Newgard | 34 | daughter | Stenography | Minnesota |
| 36 | Ruth E Newgard | 31 | daughter | Maid | Minnesota |
| 37 | Milo E Q Krantz | 32 | Head | Commercial Artist | Illinois |
| 38 | Flora L Krantz | 30 | wife | Saleslady | Minnesota |
| 39 | Archie J Ray | 43 | Head | Attendant | Minnesota |
| 40 | Annie E Ray | 43 | wife | — | Canada French |
Pedigree Summary
John + 2 siblings
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)