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William Keller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kent, Delaware
Our Model Tree links this William Keller across the 1920 and 1930 US Censuses in Kent, Delaware (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 6-person household.
Age 27
b. ~1903
Male
Son
Born: Delaware
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Kent, Delaware |
| Surname | Keller |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | South Dakota |
| Additional Details | |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | no |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Laborer |
| Township / Ward | Dover City |
| Est. Birth Year | ~1903 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Conrad Keller | Head | — | 61 | ~1869 |
| William Keller | Son | — | 27 | ~1903 |
| Theodore Keller | Son | — | 9 | ~1921 |
| Thomas Keller | Son | — | 16 | ~1914 |
| Anna Keller | Spouse | — | 48 | ~1882 |
| Walter Keller | Son | — | 21 | ~1909 |
Census Appearances
1920
Kent, Delaware
Son, age 16
Kent, Delaware · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | South Dakota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Kent, Delaware
Son, age 27
Kent, Delaware · implied b. ~1903 — 6 household members
| Surname | Keller |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | South Dakota |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | no |
| 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 William Keller across 2 US Census years (1920 and 1930) in Kent, Delaware, using XGBoost record linkage.
Show:
This person
Anchor record
William Keller
Son · 1930 · age 27 · b. ~1903 · Delaware
★ You are viewing this record
Sibling
Walter Keller
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Keller
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Keller
Sibling · 1930 · age 16
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
1930 US Federal Census — Kent, Delaware
Open full size
1930 US Federal Census — Kent, Delaware
Page Contents
50 people indexed on this census page (ia:1930:15thcensus286unit:0124)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Yvonne Johnson | 4 | daughter | — | Delaware |
| 2 | Leonard Schwang | 28 | head | Photographer | Pennsylvania |
| 3 | Nellie Schwang | 35 | wife | None | Delaware |
| 4 | Florence Schwang | 14 | daughter | None | Delaware |
| 5 | Harold Horsey | 34 | head | Commissioner | Delaware |
| 6 | Philippa Horsey | 36 | wife | None | Delaware |
| 7 | Lloyd Horsey | 6 | daughter | — | Delaware |
| 8 | Harry Horsey | 5 | son | — | Delaware |
| 9 | Jesse Harmon | 25 | head | Manager | West Virginia |
| 10 | Maud Harmon | 26 | wife | Stenographer | Delaware |
| 11 | Fred Bell | 49 | head | Contractor | Delaware |
| 12 | Clara Bell | 44 | wife | None | Delaware |
| 13 | Pauline Bell | 15 | daughter | None | Delaware |
| 14 | Gloria Bell | 8 | daughter | None | Delaware |
| 15 | Frances Bell | 5 | son | — | Delaware |
| 16 | Caroline Bell | 1 | daughter | — | Delaware |
| 17 | Spencer Scotton | 30 | head | Truck Driver | Delaware |
| 18 | Sarah Scotton | 32 | sister | None | Delaware |
| 19 | Ruth Scotton | 18 | sister | None | Delaware |
| 20 | Emma Scotton | 20 | sister | Stenographer | Delaware |
| 21 | Mary Scotton | 22 | sister | Stenographer | Delaware |
| 22 | Harry Ring | 38 | head | Asst Superintendent | Pennsylvania |
| 23 | Helen Ring | 34 | wife | None | Maryland |
| 24 | Brandt Ring | 7 | son | None | Maryland |
| 25 | Romaine Ring | 11 | daughter | None | Maryland |
| 26 | Charles Mattern | 13 | son | None | New Jersey |
| 27 | Lorenzo Dukes | 58 | servant | Chauffeur | Delaware |
| 28 | Conrad Keller | 61 | head | Farm Manager | Switzerland |
| 29 | Anna Keller | 48 | wife | None | South Dakota |
| 30 | William Keller THIS PERSON | 27 | son | Laborer | Delaware |
| 31 | Walter Keller | 21 | son | Laborer | Delaware |
| 32 | Thomas Keller | 16 | son | None | Delaware |
| 33 | Theodore Keller | 9 | son | None | Delaware |
| 34 | Alfred H. Biggs | 57 | head | Clerk | New York |
| 35 | Susie Biggs | 57 | wife | None | New York |
| 36 | Warren W. Betty | 45 | head | Com'L Traveler | Delaware |
| 37 | Elizabeth A. Betty | 38 | wife | None | Pennsylvania |
| 38 | Mary Betty | 13 | daughter | None | Delaware |
| 39 | Helen Betty | 12 | daughter | None | Delaware |
| 40 | Ruth Betty | 4 | daughter | — | Delaware |
| 41 | John Conrad | 30 | head | State Police | Maryland |
| 42 | Hilda Conrad | 24 | wife | Teacher | Delaware |
| 43 | Emily R. Wilson | 29 | head | None | Delaware |
| 44 | Harry C. Sherry | 36 | head | Publisher | Pennsylvania |
| 45 | Gertrude Sherry | 35 | wife | None | New Jersey |
| 46 | Gertrude Sherry | 6 | daughter | — | Delaware |
| 47 | Elizabeth Bently | 75 | mother-in-law | None | England |
| 48 | John W. Sherry | 38 | brother-in-law | Machinist | New Jersey |
| 49 | John E. Remley | 25 | head | Crane Operator | Delaware |
| 50 | Ida Remley | 25 | wife | None | Delaware |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)