JF
John Fowler — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this John Fowler across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents John & J — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Fowler |
| Given Name | John H. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East Moline City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Salesman |
| Industry | paper mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | East Moline City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Slover | Daughter | — | 24 | ~1916 |
| Kathleen Slover | Daughter | — | 3 | ~1937 |
| Nancy Slover | Daughter | — | 4 | ~1936 |
| J Fowler | Head | — | 56 | ~1884 |
| John Slover | Other | — | 29 | ~1911 |
| Martha Gamble | Other | — | 56 | ~1884 |
| John Fowler | Son | — | 21 | ~1919 |
Census Appearances
1920
Rock Island, …
Son, age 1
Rock Island, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fowler |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Son, age 12
Rock Island, Illinois · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fowler |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Son, age 21
Rock-Island-County, Illinois · implied b. ~1919 — 7 household members
| Surname | Fowler |
| Given Name | John H. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East Moline City |
| 1935 Residence (County) | Rock Island |
| Occupation | Salesman |
| Industry | paper mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Fowler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Fowler (~0.92 confidence) and father J Fowler (~0.92 confidence) and father John Fowler (~0.92 confidence) and mother Berna Fowler (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Fowler
b. ~1882
Source father
● Household
· direct · ~0.92
Father
J Fowler
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Fowler
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Berna Fowler
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Fowler
Son · 1940 · age 21 · b. ~1919 · Illinois
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Sibling
Margaret Slover
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Slover
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Slover
Sibling · 1940 · age 4
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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00874-00554)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard W. Keith | 11 | son | — | Illinois |
| 2 | James D. Keith | 5 | son | — | Illinois |
| 3 | Jane Keith | 5 | daughter | — | Illinois |
| 4 | Ruby B. Peterson | 54 | head | — | Kansas |
| 5 | Clarence J. Wenke | 41 | head | Carrier | Illinois |
| 6 | Ethel G. Wenke | 43 | wife | — | Illinois |
| 7 | Joseph E. Miller | 45 | head | Mail Carrier | Illinois |
| 8 | Bess J. Miller | 37 | wife | — | Illinois |
| 9 | Dean B. Miller | 14 | son | — | Illinois |
| 10 | Ione Wright | 24 | step-daughter | — | Illinois |
| 11 | James H. Schmael | 31 | head | Millwright | Illinois |
| 12 | Katherine G. Schmael | 23 | wife | Mach. Operator | Missouri |
| 13 | James G. Schmael | 3 | son | — | Illinois |
| 14 | George L. Magee | 45 | head | Policeman | Illinois |
| 15 | Lela Magee | 41 | wife | — | Illinois |
| 16 | Thelma M. Magee | 20 | daughter | — | Illinois |
| 17 | Myrtle E. Ellis | 67 | head | — | Indiana |
| 18 | Lester F. Peterson | 51 | head | Garage Manager | Illinois |
| 19 | Ruby E. Peterson | 49 | wife | — | Illinois |
| 20 | Charles Rosenberg | 86 | father-in-law | — | Germany |
| 21 | David L. Wheelock | 42 | head | Millwright | Illinois |
| 22 | Pearl B. Wheelock | 40 | wife | — | Illinois |
| 23 | Claire B. Wheelock | 18 | daughter | Fountain Girl | Illinois |
| 24 | Henry R. Wheelock | 16 | son | Pin-Setter | Illinois |
| 25 | David Wheelock | 14 | son | — | Illinois |
| 26 | Richard Wheelock | 12 | son | — | Illinois |
| 27 | Richard Smith | 60 | head | Coal Miner | Missouri |
| 28 | May Smith | 44 | wife | Attendant | Missouri |
| 29 | Deana Thompson | 13 | daughter | — | Illinois |
| 30 | John O. Emmert | 41 | head | Steel Worker | Illinois |
| 31 | Jennie G. Emmert | 70 | mother | — | Illinois |
| 32 | Earl B. Emmert | 31 | brother | Piece Worker | Illinois |
| 33 | J. Henry Fowler | 56 | head | Physician | Missouri |
| 34 | John H. Jr. Fowler THIS PERSON | 21 | son | Salesman | Illinois |
| 35 | John G. Slover | 29 | son-in-law | Draftsman | Illinois |
| 36 | Margaret A. Slover | 24 | daughter | — | Missouri |
| 37 | Nancy A. Slover | 4 | daughter | — | Illinois |
| 38 | Kathleen Slover | 3 | daughter | — | Illinois |
| 39 | Martha O. Gamble | 56 | boarder | Domestic | Illinois |
| 40 | Elbert W. Mount | 73 | head | — | Illinois |
Pedigree Summary
John + 3 siblings
Gen 1 · 4 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)