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John Butler — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kent-County, Delaware
Our Model Tree links this John Butler across the 1920, 1930 and 1940 US Censuses in Kent-County, Delaware (XGBoost, ~Confirmed), with identified parents Norman & Willis — first a head (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Head
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kent-County, Delaware |
| Surname | Butler |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | 9th Dist. |
| 1935 Residence (County) | Kent |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | DuPont Nylon |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Machine Operator |
| Township / Ward | 9Th Dist |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Butler | Head | — | 22 | ~1918 |
| Roger Butler | Son | — | 2 | ~1938 |
| Margaret Butler | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Kent, Delaware
Son, age 1
Kent, Delaware · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Maryland |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Kent, Delaware
Son, age 11
Kent, Delaware · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Kent-County, Delaware
Head, age 22
Kent-County, Delaware · implied b. ~1918 — 3 household members
| Surname | Butler |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | 9th Dist. |
| 1935 Residence (County) | Kent |
| Occupation | Machine Operator |
| Industry | DuPont Nylon |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Butler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Norman Butler (~0.92 confidence) and father Willis Butler (~0.92 confidence) and mother Mary Butler (~0.92 confidence) and mother Mary Butler (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Norman Butler
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Willis Butler
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Mary Butler
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Mary Butler
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Butler
Head · 1940 · age 22 · b. ~1918 · Delaware
★ 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 — Kent-County, Delaware
Open full size
1940 US Federal Census — Kent-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00544-00881)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Griffith | 60 | Head | Farmer | Delaware |
| 2 | Barbara Griffith | 57 | Wife | — | Maryland |
| 3 | Woodrow Kenton | 25 | Hired Hand | Helper | Delaware |
| 4 | Alice C. Thompson | 66 | Head | — | Maryland |
| 5 | John H. Thompson | 36 | Son | Farmer | Delaware |
| 6 | Carl Thompson | 33 | Son | Farmer | Delaware |
| 7 | George Thompson | 32 | Son | Laborer | Delaware |
| 8 | Earl Thompson | 29 | Son | Laborer | Delaware |
| 9 | Charles Collison | 60 | Head | Farmer | Delaware |
| 10 | Mary E. Collison | 55 | Wife | — | Delaware |
| 11 | Mary Virginia Collison | 17 | Daughter | — | Delaware |
| 12 | Lester Collison | 22 | Son | Electrician | Delaware |
| 13 | Mabel Collison | 18 | Daughter-in-law | — | Delaware |
| 14 | James Lester Collison | 1 | Grandson | — | Delaware |
| 15 | Dorothy Burris | 13 | Granddaughter | — | Delaware |
| 16 | Willis W. Butler | 47 | Head | Farmer | Delaware |
| 17 | Mary M. Butler | 45 | Wife | — | Maryland |
| 18 | Betty Barney | 16 | Foster daughter | — | Pennsylvania |
| 19 | John Butler THIS PERSON | 22 | Head | Machine Operator | Delaware |
| 20 | Margaret M. Butler | 21 | Wife | — | Pennsylvania |
| 21 | Roger Butler | 2 | Son | — | Delaware |
| 22 | J. Alex Jackson | 46 | Head | Proprietor | Delaware |
| 23 | Eugenia R. Jackson | 43 | Wife | — | Delaware |
| 24 | Alex Jackson | 18 | Son | Helper | Delaware |
| 25 | Alberta Jackson | 15 | Daughter | — | Delaware |
| 26 | Andrew Jackson | 13 | Son | — | Delaware |
| 27 | Charles Earl Griffith | 44 | Head | Carpenter | Delaware |
| 28 | Laura H. Griffith | 42 | Wife | — | Delaware |
| 29 | Helen L. Griffith | 17 | Daughter | — | Delaware |
| 30 | Willard Donovan | 48 | Head | Laborer | Delaware |
| 31 | Lucinda Donovan | 46 | Wife | — | Pennsylvania |
| 32 | Norma G. Donovan | 6 | Daughter | — | Delaware |
| 33 | David Sanner | 74 | Father-in-law | — | Pennsylvania |
| 34 | Maurice Wright | 31 | Head | Farmer | Delaware |
| 35 | Lelia Wright | 26 | Wife | — | Delaware |
| 36 | Doris Wright | 7 | Daughter | — | Delaware |
| 37 | Janice Wright | 2 | Daughter | — | Delaware |
| 38 | George A. Wright | 31 | Head | Farmer | Delaware |
| 39 | Myrtle Wright | 29 | Wife | — | Delaware |
| 40 | Albert Wright | 8 | Son | — | Delaware |
Pedigree Summary
John
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)