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William Watts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Watts across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Watts |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1040 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Medford City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Watts | Son | — | 21 | ~1919 |
| Nellie Watts | Spouse | — | 63 | ~1877 |
| James Watts | Head | — | 66 | ~1874 |
| Richard Watts | Son | — | 28 | ~1912 |
| Eva Watts | Other | — | 21 | ~1919 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watts |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 21
Middlesex-County, Massachusetts · implied b. ~1919 — 5 household members
| Surname | Watts |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | Chauffeur |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1040 |
| Highest Grade | Hs 2 |
| 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 Watts across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Watts
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Richard Watts
Sibling · 1940 · age 28
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 — 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-t0627-01611-00473)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucy Del Buono | 30 | Wife | — | Massachusetts |
| 42 | Fred Comerci | 43 | Head | Electrician | Massachusetts |
| 43 | Bernice Comerci | 44 | Wife | — | Massachusetts |
| 44 | Marie Comerci | 18 | Daughter | New Worker | Massachusetts |
| 45 | Dorothy Comerci | 16 | Daughter | — | Massachusetts |
| 46 | Theresa Comerci | 14 | Daughter | — | Massachusetts |
| 47 | Fred Comerci | 9 | Son | — | Massachusetts |
| 48 | Robert Comerci | 7 | Son | — | Massachusetts |
| 49 | James Watts | 66 | Head | Gas Station Attendant | Canada-English |
| 50 | Nellie Watts | 63 | Wife | — | Massachusetts |
| 51 | William Watts THIS PERSON | 21 | Son | Chauffeur | Massachusetts |
| 52 | Richard Watts | 28 | Son | Rubber Worker | Massachusetts |
| 53 | Eva Watts | 21 | Daughter-in-law | Bookkeeper | Massachusetts |
| 54 | Herbert Kean | 47 | Head | Steel Worker | Newfoundland |
| 55 | Elfreda Kean | 46 | Wife | — | Newfoundland |
| 56 | Joseph Manchinton | 38 | Head | Dredge Captain | Newfoundland |
| 57 | Nellie Manchinton | 39 | Wife | — | Newfoundland |
| 58 | Marjorie Manchinton | 13 | Daughter | — | Massachusetts |
| 59 | William Manchinton | 11 | Son | — | Massachusetts |
| 61 | Robert Garrett | 37 | Head | Iron Worker | Massachusetts |
| 62 | Mary Garrett | 67 | Mother | — | Massachusetts |
| 63 | John Lynch | 62 | Head | Stationary Engineer | Massachusetts |
| 64 | Anne Lynch | 74 | Wife | — | Canada-English |
| 65 | Elizabeth Morrison | 65 | Head | — | Ireland |
| 66 | Margaret Morrison | 46 | Daughter | Bookkeeper | Massachusetts |
| 67 | Mary Henderson | 66 | Sister | Telephone Operator | Nova Scotia |
| 68 | Catherine Henderson | 34 | Niece | Secretary | Massachusetts |
| 69 | Dennis Collins | 50 | Head | Special Agent | Massachusetts |
| 70 | Ethel Collins | 45 | Wife | — | Massachusetts |
| 71 | Eleanor Collins | 25 | Daughter | Teacher | Massachusetts |
| 72 | Dorothy Collins | 20 | Daughter | — | Massachusetts |
| 73 | Joseph Gleason | 62 | Uncle | — | Massachusetts |
| 74 | Frank Barter | 44 | Head | Auditor | Massachusetts |
| 75 | Estelle Barter | 38 | Wife | — | Massachusetts |
| 76 | John Barter | 15 | Son | — | Massachusetts |
| 77 | Robert Barter | 13 | Son | — | Massachusetts |
| 78 | Claire Barter | 8 | Daughter | — | Massachusetts |
| 79 | James Pirie | 40 | Head | Superintendent Of Titles | Scotland |
| 80 | Anna Pirie | 40 | Wife | — | Massachusetts |
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)