WD
William Dillon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Dillon across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William — first a head (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Dillon |
| Given Name | William J. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | clerk |
| Industry | drug store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 936 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Boston City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Susan Dillon | Spouse | — | 30 | ~1910 |
| William Dillon | Head | — | 23 | ~1917 |
| William Dillon | Son | — | 1 | ~1939 |
| Mary Macilvane | Other | — | 54 | ~1886 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1917 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dillon |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 13
Suffolk, Massachusetts · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dillon |
| Given Name | William J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 4 household members
| Surname | Dillon |
| Given Name | William J. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | clerk |
| Industry | drug store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 936 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Dillon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Dillon (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Dillon
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Dillon
Head · 1940 · age 23 · b. ~1917 · Massachusetts
★ 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01675-00287)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Julia Ramirez | 25 | wife | Stitcher | Massachusetts |
| 42 | Anna Ramirez | 7 | daughter | — | Massachusetts |
| 43 | Ramirez | None | — | — | — |
| 44 | Joseph E. Jones | 64 | head | Air Piper | New Jersey |
| 45 | Joseph H. Jones | 28 | son | Watchman | Massachusetts |
| 46 | John H. Martin | 25 | head | General Clerk | Massachusetts |
| 47 | Elizabeth Martin | 24 | wife | — | Massachusetts |
| 48 | Catherine Martin | 1 | daughter | — | Massachusetts |
| 49 | William J. Dillon THIS PERSON | 23 | head | Clerk | Massachusetts |
| 50 | Susan D. Dillon | 30 | wife | — | Canada |
| 51 | William Dillon | 1 | son | — | Massachusetts |
| 52 | Mary Macilvane | 54 | grand mother | — | England |
| 53 | Paul Campbell | 21 | head | Jewelry Salesman | New Hampshire |
| 54 | Lillian Campbell | 18 | wife | — | Massachusetts |
| 55 | Paul Campbell | 0 | son | — | Massachusetts |
| 56 | — | None | — | — | — |
| 57 | Noah Hood | 73 | head | Superintendent | Maine |
| 58 | Margaret Hood | 73 | wife | — | Maine |
| 59 | Margaret Hood | 25 | daughter | — | Massachusetts |
| 60 | — | None | — | — | — |
| 61 | Herman Nilsson | 41 | head | Airplane Mechanic | Sweden |
| 62 | Astrid V. Nilsson | 43 | wife | — | Sweden |
| 63 | Mildred V. Nilsson | 8 | daughter | — | Massachusetts |
| 64 | Robert L. Nilsson | 6 | son | — | Massachusetts |
| 65 | Evangelina Balboni | 59 | head | — | Italy |
| 66 | Alexander Balboni | 62 | husband | Laborer | Italy |
| 67 | Mary Balboni | 20 | daughter | — | Massachusetts |
| 68 | Joseph Balboni | 15 | son | — | Massachusetts |
| 69 | Helmington Bartels | 47 | head | Plumber | Massachusetts |
| 70 | Gladys Bartels | 48 | wife | Stenographer | England |
| 71 | Hanna Bernice M. Bartels | 15 | daughter | — | Massachusetts |
| 72 | — | None | — | — | — |
| 73 | Joseph De Naples | 36 | head | Chauffeur | Massachusetts |
| 74 | Mildred De Naples | 28 | wife | — | Massachusetts |
| 75 | Joan De Naples | 5 | daughter | — | Massachusetts |
| 76 | — | None | — | — | — |
| 77 | Frank W. Converse | 58 | head | Paper Box Cutter | New Hampshire |
| 78 | Caroline Converse | 57 | wife | — | Massachusetts |
| 79 | — | None | — | — | — |
| 80 | Albert R. Wilson | 38 | head | Chauffeur | Massachusetts |
Pedigree Summary
William
Gen 1 · 1 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)