PW
Paul Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Paul Williams across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Mary — first a son (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Williams |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sewer Project |
| Class of Worker | GW |
| Hours Worked | 62 |
| Income (1939) | 988 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Paul | Age | Birth yr |
|---|---|---|---|---|
| John Williams | Head | — | 50 | ~1890 |
| Paul Williams | Son | — | 32 | ~1908 |
| Mary Williams | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Portuguese |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 22
Middlesex, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Paul F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | Printer |
| Industry | Printing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 32
Middlesex-County, Massachusetts · implied b. ~1908 — 3 household members
| Surname | Williams |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | Laborer |
| Industry | Sewer Project |
| Class of Worker | GW |
| Hours Worked | 62 |
| Income (1939) | 988 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 Paul Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Williams (~0.92 confidence) and mother Mary Williams (~0.92 confidence) and mother Mary Williams (~0.92 confidence) and father John Williams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Williams
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Mary Williams
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Mary Williams
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
John Williams
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Paul Williams
Son · 1940 · age 32 · b. ~1908 · 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
39 people indexed on this census page (nara:1940:m-t0627-01704-00387)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Francis Boudreau | 32 | Head | Mechanic | Canada |
| 42 | Mary Boudreau | 30 | Wife | — | Massachusetts |
| 43 | John Giordano | 26 | Head | Machine Operator | Massachusetts |
| 44 | Louise Giordano | 25 | Wife | — | Massachusetts |
| 45 | Lorraine Giordano | 3 | Daughter | — | Massachusetts |
| 46 | Edward Mitchell | 30 | Head | Chauffeur | Massachusetts |
| 47 | Luella Mitchell | 30 | Wife | — | English Canada |
| 48 | Edward Jr. Mitchell | 1 | Son | — | Massachusetts |
| 49 | William Grell | 33 | Head | Chauffeur | England |
| 50 | Catherine Grell | 29 | Wife | — | Massachusetts |
| 51 | Dorothy C. Grell | 11 | Daughter | — | Massachusetts |
| 52 | Henry James | 30 | Head | Cabinet Maker | Massachusetts |
| 53 | Mary James | 29 | Wife | Press Operator | Portugal |
| 54 | Carlo Rinci | 24 | Head | Laborer | Massachusetts |
| 55 | Theresa Rinci | 22 | Wife | — | Italy |
| 56 | Pasquale Mino | 23 | Head | Laborer | Massachusetts |
| 57 | Eleanor Mino | 21 | Wife | — | Massachusetts |
| 58 | Roland J. Hurst | 21 | Head | Clerk | Massachusetts |
| 59 | Agnes P. Hurst | 17 | Wife | — | Kansas |
| 60 | John Ab. Williams | 50 | Head | — | Portugal |
| 61 | Mary C. Williams | 69 | Wife | — | Portugal |
| 62 | Paul Williams THIS PERSON | 32 | Son | Laborer | Massachusetts |
| 63 | Americ Prioli | 25 | Head | Rent-Prior | Massachusetts |
| 64 | Helen Prioli | 24 | Wife | Filler | Maine |
| 65 | Thomas A. Tutella | 50 | Head | — | Italy |
| 66 | Theresa Tutella | 51 | Wife | — | Massachusetts |
| 67 | Thomas Jr. Tutella | 23 | Son | Helper | Massachusetts |
| 68 | Louise J. Tutella | 16 | Daughter | — | Massachusetts |
| 69 | Silvio G. Lomidatoni | 33 | Head | Packer | Massachusetts |
| 70 | Yola Lomidatoni | 31 | Wife | — | Italy |
| 71 | Edward Lomidatoni | 10 | Son | — | Massachusetts |
| 72 | Marie Lomidatoni | 1 | Daughter | — | Massachusetts |
| 73 | Louis Vicarous | 35 | Head | — | New Jersey |
| 74 | Edith Vicarous | 38 | Wife | — | Massachusetts |
| 75 | Charles Vicarous | 8 | Son | — | Massachusetts |
| 76 | Rosemary Vicarous | 1 | Daughter | — | Massachusetts |
| 77 | Alexander Pinto | 25 | Head | Chauffeur | Massachusetts |
| 78 | Mary Pinto | 22 | Wife | — | Massachusetts |
| 79 | Robert Pinto | 2 | Son | — | Massachusetts |
Pedigree Summary
Paul
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)