WB
William Boyer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Northumberland-County, Pennsylvania
Our Model Tree links this William Boyer across the 1920, 1930 and 1940 US Censuses in Northumberland-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lloyd & William — first a son (b.~1919), then head of a 12-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Northumberland-County, Pennsylvania |
| Surname | Boyer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sunbury |
| 1935 Residence (County) | Northumberland |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 28 |
| Highest Grade | 8 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Zerbe T |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ronald Boyer | Son | — | 7 | ~1933 |
| Guy Boyer | Son | — | 17 | ~1923 |
| James Boyer | Son | — | 14 | ~1926 |
| William Boyer | Son | — | 21 | ~1919 |
| Susan Boyer | Spouse | — | 43 | ~1897 |
| John Boyer | Son | — | 18 | ~1922 |
| Dorothy Boyer | Daughter | — | 9 | ~1931 |
| Wesley Boyer | Son | — | 1 | ~1939 |
| Charles Boyer | Son | — | 4 | ~1936 |
| William Boyer | Head | — | 47 | ~1893 |
| Ernestine Boyer | Daughter | — | 13 | ~1927 |
| Paul Boyer | Son | — | 10 | ~1930 |
Census Appearances
1920
Northumberland, Pennsylvania
Son, age 1
Northumberland, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Willard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Northumberland, Pennsylvania
Son, age 11
Northumberland, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Willard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northumberland-County, Pennsylvania
Son, age 21
Northumberland-County, Pennsylvania · implied b. ~1919 — 12 household members
| Surname | Boyer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sunbury |
| 1935 Residence (County) | Northumberland |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 28 |
| Highest Grade | 8 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Boyer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lloyd Boyer (~0.92 confidence) and father William Boyer (~0.92 confidence) and mother Bertha Boyer (~0.92 confidence) and mother Susan Boyer (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lloyd Boyer
b. ~1882
Source father
● Household
· direct · ~0.92
Father
William Boyer
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Bertha Boyer
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Susan Boyer
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Boyer
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
James Boyer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Boyer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Guy Boyer
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Boyer
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Boyer
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Boyer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernestine Boyer
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Boyer
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wesley Boyer
Sibling · 1940 · age 1
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 — Northumberland-County, Pennsylvania
Open full size
1940 US Federal Census — Northumberland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03598-00898)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leon Smith | 15 | Son | — | Pennsylvania |
| 2 | Evelyn Smith | 11 | Daughter | — | Pennsylvania |
| 3 | James Smith | 8 | Son | — | Pennsylvania |
| 4 | Irene Smith | 6 | Daughter | — | Pennsylvania |
| 5 | Dorothy Smith | 4 | Daughter | — | Pennsylvania |
| 6 | Franklin Smith | 1 | Son | — | Pennsylvania |
| 7 | Arnold Spangler | 31 | Head | Truck Driver | Pennsylvania |
| 8 | Joseph Donnan | 25 | Head | Truck Driver | Pennsylvania |
| 9 | Catherine Donnan | 26 | Wife | — | Pennsylvania |
| 10 | Sallie Mae Donnan | 2 | Daughter | — | Pennsylvania |
| 11 | William Boyer | 47 | Head | Laborer | Pennsylvania |
| 12 | Susan Boyer | 43 | Wife | — | Pennsylvania |
| 13 | William Boyer THIS PERSON | 21 | Son | New Worker | Pennsylvania |
| 14 | John Boyer | 18 | Son | New Worker | Pennsylvania |
| 15 | Guy Thomas Boyer | 17 | Son | New Worker | Pennsylvania |
| 16 | James Boyer | 14 | Son | — | Pennsylvania |
| 17 | Ernestine Boyer | 13 | Daughter | — | Pennsylvania |
| 18 | Paul Boyer | 10 | Son | — | Pennsylvania |
| 19 | Dorothy Boyer | 9 | Daughter | — | Pennsylvania |
| 20 | Ronald Boyer | 7 | Son | — | Pennsylvania |
| 21 | Charles Boyer | 4 | Son | — | Pennsylvania |
| 22 | Wesley Boyer | 1 | Son | — | Pennsylvania |
| 23 | Frank Betzko | 41 | Head | Laborer | Pennsylvania |
| 24 | Christina Betzko | 35 | Head | — | Pennsylvania |
| 25 | Mary Betzko | 13 | Daughter | — | Pennsylvania |
| 26 | Joseph Betzko | 11 | Son | — | Pennsylvania |
| 27 | Raymond Betzko | 10 | Son | — | Pennsylvania |
| 28 | Catherine Betzko | 4 | Daughter | — | Pennsylvania |
| 29 | Bart Gemba | 45 | Head | Laborer | Poland |
| 30 | Christina Gemba | 37 | Wife | — | Czechoslovakia |
| 31 | Victoria Gemba | 17 | Daughter | Seamstress | Pennsylvania |
| 32 | Veronica Gemba | 14 | Daughter | — | Pennsylvania |
| 33 | Mary Gemba | 12 | Daughter | — | Pennsylvania |
| 34 | John Gemba | 9 | Son | — | Pennsylvania |
| 35 | Theresa Gemba | 7 | Daughter | — | Pennsylvania |
| 36 | Joseph Gemba | 3 | Son | — | Pennsylvania |
| 37 | Victor Gemba | 2 | Son | — | Pennsylvania |
| 38 | Mary Deroba | 61 | Head | — | Poland |
| 39 | Agnes Deroba | 31 | Daughter | Seamstress | Pennsylvania |
| 40 | John Deroba | 28 | Son | Miner | Pennsylvania |
Pedigree Summary
William + 9 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)