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William Hopkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Hopkins across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Fanny — first a head (b.~1904), then head of a 6-person household.
Age 36
b. ~1904
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hopkins |
| Given Name | William G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Waltham |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Watch Repairing |
| Industry | Retail Jewelry |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Watch Repairing |
| Township / Ward | Waltham |
| Est. Birth Year | ~1904 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Barbara Hopkins | Daughter | — | 13 | ~1927 |
| William Hopkins | Head | — | 36 | ~1904 |
| Arthur Hopkins | Son | — | 14 | ~1926 |
| Bruce Hopkins | Son | — | 7 | ~1933 |
| Paul Hopkins | Son | — | 11 | ~1929 |
| Ruby Hopkins | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1905 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | clerk in store |
| Industry | shoe store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Middlesex, Massachusetts
Head, age 26
Middlesex, Massachusetts · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | First papers filed |
| Year of Immigration | 1904 |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Watch Maker |
| Industry | Watch-Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Middlesex-County, Massachusetts
Head, age 36
Middlesex-County, Massachusetts · implied b. ~1904 — 6 household members
| Surname | Hopkins |
| Given Name | William G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Waltham |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Watch Repairing |
| Industry | Retail Jewelry |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Hopkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Hopkins (~0.92 confidence) and mother Fanny Hopkins (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hopkins
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Fanny Hopkins
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hopkins
Head · 1940 · age 36 · b. ~1904 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-01619-00695)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Jr. Stanton | 11 | Son | — | Massachusetts |
| 42 | James Read | 35 | Head | Machinist | Mass |
| 43 | Irma A Read | 41 | Wife | — | Mass |
| 44 | John Read | 14 | Son | — | Mass |
| 51 | William G Hopkins THIS PERSON | 36 | Head | Watch Repairing | England |
| 52 | Ruby Hopkins | 36 | Wife | — | Canada English |
| 53 | Arthur Hopkins | 14 | Son | — | Massachusetts |
| 54 | Barbara Hopkins | 13 | Daughter | — | Massachusetts |
| 55 | Paul Hopkins | 11 | Son | — | Massachusetts |
| 56 | Bruce Hopkins | 7 | Son | — | Massachusetts |
| 57 | Willy J Irem | 40 | Head | Furnace Installer | Germany |
| 58 | Ida C Irem | 40 | Wife | — | Germany |
| 59 | Ludwig Heinz | 50 | Head | Repair Dept | Germany |
| 60 | Mildred H Heinz | 48 | Wife | — | Massachusetts |
| 61 | Kenneth Heinz | 11 | Son | — | Massachusetts |
| 62 | Edith Crocker | 49 | Head | — | Massachusetts |
| 63 | William W Crocker | 15 | Son | — | Massachusetts |
| 64 | Marion F Crocker | 11 | Daughter | — | Massachusetts |
| 65 | Herbert Ashness | 37 | Head | Police Officer | Massachusetts |
| 66 | Anna Ashness | 36 | Wife | — | Massachusetts |
| 67 | Pauline Ashness | 9 | Daughter | — | Massachusetts |
| 68 | Walter Ashness | 7 | Son | — | Massachusetts |
| 69 | Herbert Jr. Ashness | 4 | Son | — | Massachusetts |
| 70 | William Shakespeare | 66 | Head | Machinist | Massachusetts |
| 71 | Pauline R Shakespeare | 64 | Wife | — | Massachusetts |
| 72 | Harry B Pollock | 48 | Head | Delivery Supt | Maine |
| 73 | Edith Pollock | 47 | Wife | — | Maine |
| 74 | Adelaide Pollock | 20 | Daughter | — | Massachusetts |
| 75 | George Dukley | 61 | Head | — | Vermont |
| 76 | Mary Dukley | 59 | Wife | — | Massachusetts |
| 77 | Evelyn Dukley | 24 | Daughter | — | Massachusetts |
| 78 | Walton Briggs | 26 | Head | Electrical Engineer | Massachusetts |
| 79 | Ruth Briggs | 31 | Wife | — | Massachusetts |
| 80 | Walton Jr. Briggs | 1 | Son | — | Massachusetts |
Pedigree Summary
William
Gen 1 · 2 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)