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William Boyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this William Boyle across the 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 8-person household.
Age 28
b. ~1912
Male
Son
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Boyle |
| Given Name | William G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | ROCKFORD CITY |
| 1935 Residence (County) | WINNEBAGO |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Laborer |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Laborer |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1912 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Boyle | Son | — | 28 | ~1912 |
| Robert Boyle | Son | — | 30 | ~1910 |
| Arlene Boyle | Daughter | — | 8 | ~1932 |
| Agnes Boyle | Spouse | — | 50 | ~1890 |
| John Sieben | Other | — | ~1940 | |
| John Sieben | Other | — | 21 | ~1919 |
| Nathaniel Boyle | Head | — | 50 | ~1890 |
| Sadie Sieben | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Winnebago, Illinois
Son, age 19
Winnebago, Illinois · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyle |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1925 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Receiver |
| Industry | Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Winnebago-County, Illinois
Son, age 28
Winnebago-County, Illinois · implied b. ~1912 — 8 household members
| Surname | Boyle |
| Given Name | William G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | ROCKFORD CITY |
| 1935 Residence (County) | WINNEBAGO |
| Naturalization Status | First papers filed |
| Occupation | Laborer |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Boyle across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Boyle
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Sadie Sieben
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arlene Boyle
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Boyle
Sibling · 1940 · age 30
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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00913-00898)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morrell Mcdonald | 41 | Head | Real Estate Sales | Illinois |
| 2 | Alice Mcdonald | 36 | Wife | — | England |
| 3 | Elizabeth J. Mcdonald | 16 | Daughter | — | Illinois |
| 4 | Marion J. Mcdonald | 10 | Daughter | — | Illinois |
| 5 | Walter E. Hibbard | 57 | Head | Electrician | Wisconsin |
| 6 | Agnes M. Hibbard | 52 | Wife | — | Wisconsin |
| 7 | Jane E. Hibbard | 23 | Daughter | Switch Board Operator | Wisconsin |
| 8 | Madeline A. Hibbard | 21 | Daughter | Switch Board Operator | Wisconsin |
| 9 | John M. Hibbard | 18 | Son | Retail Grocery Clerk | Illinois |
| 10 | Frank R. Hibbard | 15 | Son | — | Illinois |
| 11 | Rose Ann Hibbard | 10 | Daughter | — | Illinois |
| 13 | Nathaniel Boyle | 50 | Head | Night Watchman | Northern Ireland |
| 14 | Agnes Boyle | 50 | Wife | — | Northern Ireland |
| 15 | Robert J. Boyle | 30 | Son | Machinist | Scotland |
| 16 | William G. Boyle THIS PERSON | 28 | Son | Laborer | Scotland |
| 17 | Arlene A. Boyle | 8 | Daughter | — | Illinois |
| 18 | John R. Sieben | 21 | Son in law | Moulder | Illinois |
| 19 | Sadie Sieben | 21 | Daughter | — | Scotland |
| 20 | John Wayne Sieben | 0 | Grand son | — | Illinois |
| 21 | John D. Brady | 30 | Head | Inspector | Wisconsin |
| 22 | Adele B. Brady | 25 | Wife | — | Wisconsin |
| 23 | Patricia Ann Brady | 2 | Daughter | — | Illinois |
| 24 | Eileen Fleming | 25 | Lodger | Filing Clerk | Wisconsin |
| 25 | Robert M. Burn | 26 | Head | Salesman | Illinois |
| 26 | Grace M. Burn | 22 | Wife | Switch Board Operator | Illinois |
| 27 | Stanley Pankaupko | 56 | Head | Laborer | Lithuania |
| 28 | Domesella Pankaupko | 56 | Wife | — | Lithuania |
| 29 | Marcella Pankaupko | 16 | Daughter | — | Illinois |
| 30 | Anna Jorgenson | 27 | Daughter | — | Wisconsin |
| 31 | Georgina Jorgenson | 5 | Grand daughter | — | Illinois |
| 32 | Nellie Atkinson | 76 | Head | — | Illinois |
| 33 | Alice J. Atkinson | 53 | Daughter | Secretary | Illinois |
| 34 | Della A. Atkinson | 52 | Daughter | Stenographer | Illinois |
| 35 | Martha W. Atkinson | 47 | Daughter | Secretary | Illinois |
| 36 | Robert H. Anders | 27 | Head | Milling Machine Operator | Illinois |
| 37 | Dorothy M. Anders | 30 | Wife | Bookkeeper | Illinois |
| 38 | George M. Reynolds | 34 | Head | Upholsterer | Iowa |
| 39 | Virginia E. Reynolds | 31 | Wife | Machine Operator | Illinois |
| 40 | Richard J. Reynolds | 12 | Son | — | Illinois |
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)