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Clarence Hill — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Clarence Hill across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1902), then head of a 9-person household.
Age 38
b. ~1902
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hill |
| Given Name | Clarence F. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Greenwich |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Supervisor |
| Industry | Automobile Plant |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1560 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Supervisor |
| Township / Ward | Arlington Town |
| Est. Birth Year | ~1902 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Edward Hill | Son | — | ~1940 | |
| Catherine Hill | Spouse | — | 37 | ~1903 |
| Clarence Hill | Head | — | 38 | ~1902 |
| Clarence Hill | Son | — | 11 | ~1929 |
| Mary Nolan | Other | — | 64 | ~1876 |
| Joseph Hill | Son | — | 15 | ~1925 |
| Kenneth Hill | Son | — | 14 | ~1926 |
| Robert Hill | Son | — | 12 | ~1928 |
| Mary Hill | Daughter | — | 2 | ~1938 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 18
Middlesex, Massachusetts · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Michigan |
| Occupation | Chauffeur |
| Industry | Private |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Other, age 28
Middlesex, Massachusetts · implied b. ~1902 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Clarence J. |
| Relationship to Head | Prisoner |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Michigan |
| Occupation | Shop |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 38
Middlesex-County, Massachusetts · implied b. ~1902 — 9 household members
| Surname | Hill |
| Given Name | Clarence F. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Greenwich |
| 1935 Residence (County) | Worcester |
| Occupation | Supervisor |
| Industry | Automobile Plant |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1560 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| 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 Clarence Hill across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Hill (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Hill
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Hill
Head · 1940 · age 38 · b. ~1902 · 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
40 people indexed on this census page (nara:1940:m-t0627-01601-00491)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence F. Hill THIS PERSON | 38 | head | Supervisor | Massachusetts |
| 42 | Catherine X Hill | 37 | wife | — | Massachusetts |
| 43 | Joseph Hill | 15 | son | — | Massachusetts |
| 44 | Kenneth Hill | 14 | son | — | Massachusetts |
| 45 | Robert Hill | 12 | son | — | Massachusetts |
| 46 | Clarence Hill | 11 | son | — | Massachusetts |
| 47 | Mary Hill | 2 | daughter | — | Massachusetts |
| 48 | Edward Hill | 0 | son | — | Massachusetts |
| 49 | Mary Nolan | 64 | mother-in-law | — | Newfoundland |
| 50 | Ellen V. Collins | 57 | head | — | Massachusetts |
| 51 | Catherine E. Collins | 48 | sister | — | Massachusetts |
| 52 | Agnes V. Collins | 44 | sister | Operator | Massachusetts |
| 53 | Rose A. Collins | 42 | sister | Supervisor | Massachusetts |
| 54 | Anne F. Melly | 50 | sister | Matron | Massachusetts |
| 55 | H. James | 31 | nephew | Attendant | Massachusetts |
| 56 | Catherine M. James | 27 | niece | Operator | Massachusetts |
| 57 | Thomas F. James | 26 | nephew | Caretaker | Massachusetts |
| 58 | John F. Collins | 30 | head | Clerk | Massachusetts |
| 59 | Mary T. Collins | 33 | sister | Hairdresser | Massachusetts |
| 60 | Dorothy F. Collins | 26 | sister | Operator | Massachusetts |
| 61 | Rita M. Collins | 21 | sister | Operator | Massachusetts |
| 62 | Minerva J. Hathaway | 62 | head | — | Massachusetts |
| 63 | Helen M. Carlson | 31 | lodger | Registered Nurse | Massachusetts |
| 64 | Freeman H. Decker | 68 | head | Ship Captain | Canada-English |
| 65 | Minnie Decker | 57 | wife | — | Massachusetts |
| 66 | Kenneth H. Slade | 38 | son-in-law | Chauffeur | Rhode Island |
| 67 | Doris D. Slade | 34 | daughter | — | Massachusetts |
| 68 | Kenneth H. Jr. Slade | 15 | grandson | — | Massachusetts |
| 69 | John J. Belley | 60 | head | Accountant | Maine |
| 70 | Maud E. Belley | 59 | wife | — | Canada-English |
| 71 | Mabel G. Watkins | 68 | head | Clerk | Ohio |
| 72 | Henrietta B. Watkins | 66 | sister | Clerk | Ohio |
| 73 | Amy W. Watkins | 54 | sister | — | Tennessee |
| 74 | Mildred M. Watkins | 52 | sister | Clerk | Kansas |
| 75 | Mary E. Baumeister | 74 | head | — | Massachusetts |
| 76 | Mary T. Baumeister | 49 | daughter | Agent | Massachusetts |
| 77 | Harold F. Baumeister | 44 | son | Salesman | Massachusetts |
| 78 | Edith J. Donaldson | 39 | daughter | — | Massachusetts |
| 79 | Barbara J. Donaldson | 14 | grand-daughter | — | Massachusetts |
| 80 | Marsha J. Donaldson | 11 | grand-daughter | — | Massachusetts |
Related Census Records
Pedigree Summary
Clarence
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)