HM
Henry Mason — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Henry Mason across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 6-person household.
Age 36
b. ~1884
Male
Head
Born: Rhode Island
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Mason |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Engineer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Engineer |
| Township / Ward | Melrose City |
| Est. Birth Year | ~1884 |
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 1920 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Henry Mason | Head | — | 36 | ~1884 |
| Barbara Mason | Daughter | — | 10 | ~1910 |
| Constance Mason | Daughter | — | 4 | ~1916 |
| Stanley Mason | Son | — | 8 | ~1912 |
| Audrey Mason | Daughter | — | 5 | ~1915 |
| Alice Mason | Spouse | — | 36 | ~1884 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 36
Middlesex, Massachusetts · implied b. ~1884 — 6 household members
| Surname | Mason |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Occupation | Engineer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Middlesex, Massachusetts
Head, age 47
Middlesex, Massachusetts · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Harvey |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 25 |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | Treasurer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Middlesex-County, Massachusetts
Head, age 56
Middlesex-County, Massachusetts · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Harvey |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Melrose City |
| 1935 Residence (County) | Middlesex |
| Occupation | Salesman |
| Industry | General Insurance |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 405 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Henry Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Mason
Head · 1920 · age 36 · b. ~1884 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
48 people indexed on this census page (ia:1920:14thcensusofpopu715unit:0811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Clarence M. Ghen | 51 | Head | Bookkeeper | Massachusetts |
| 52 | Mary G. Ghen | 43 | Wife | — | Massachusetts |
| 53 | Mildred H. Ghen | 19 | Son | — | Massachusetts |
| 54 | Garnet Ghen | 18 | Son | — | Massachusetts |
| 55 | Ella S. Cannon | 46 | Sister-in-law | Clerk | Massachusetts |
| 56 | Ellis H. Holmes | 27 | Head | Asst Manager | Maine |
| 57 | Evelyn M. Holmes | 27 | Wife | — | Massachusetts |
| 58 | Ellis Holmes | 2 | Son | — | Massachusetts |
| 59 | Irvin C. Bourne | 46 | Head | Deputy | Massachusetts |
| 60 | Harriet M. Bourne | 47 | Wife | — | Canada |
| 61 | Philip Bourne | 12 | Son | — | Massachusetts |
| 62 | Wallace T. Bourne | 7 | Son | — | Massachusetts |
| 63 | Gordon F. Bourne | 5 | Son | — | Massachusetts |
| 64 | Elmer H. Bourne | 5 | Son | — | Massachusetts |
| 65 | Henry Mason THIS PERSON | 36 | Head | Engineer | Rhode Island |
| 66 | Alice Mason | 36 | Wife | — | Maine |
| 67 | Barbara Mason | 10 | Daughter | — | Massachusetts |
| 68 | Stanley Mason | 8 | Son | — | Massachusetts |
| 69 | Audrey Mason | 5 | Daughter | — | Massachusetts |
| 70 | Constance Mason | 4 | Daughter | — | Massachusetts |
| 71 | Mark H. Warren | 56 | Head | Manufacturer | Massachusetts |
| 72 | Gertrude C. Warren | 54 | Wife | — | New Hampshire |
| 73 | Ralph H. Warren | 16 | Son | — | Massachusetts |
| 74 | Hazel G. Peabody | 24 | Daughter | — | Massachusetts |
| 75 | Harold J. Peabody | 24 | Son-in-law | Salesman | Massachusetts |
| 76 | Calvin A. Devin | 42 | Head | Contractor | Canada |
| 77 | Ida F. Devin | 37 | Wife | — | Connecticut |
| 78 | Edith F. Devin | 13 | Daughter | — | Massachusetts |
| 79 | Beatrice S. Devin | 14 | Daughter | — | Massachusetts |
| 80 | Howard A. Devin | 7 | Son | — | Massachusetts |
| 81 | Arthur S. King | 37 | Head | Engineer | Illinois |
| 82 | Mary N. King | 36 | Wife | — | Massachusetts |
| 83 | Bertha King | 9 | Daughter | — | Massachusetts |
| 84 | Nelson D. King | 7 | Son | — | Massachusetts |
| 85 | Priscilla King | 5 | Daughter | — | Massachusetts |
| 86 | Helena King | 3 | Daughter | — | Massachusetts |
| 87 | Louisa M. King | 63 | Mother | — | Massachusetts |
| 88 | William E. Schofield | 51 | Head | Salesman | Connecticut |
| 89 | Margaret J. Schofield | 52 | Wife | — | Ireland |
| 90 | Mabel S. Schofield | 26 | Daughter | Operator | Massachusetts |
| 91 | Marjorie Schofield | 24 | Daughter | Operator | Massachusetts |
| 92 | John Schofield | 17 | Son | — | Massachusetts |
| 93 | Ruth Schofield | 15 | Daughter | — | Massachusetts |
| 94 | James C. Black | 45 | Head | Letter Carrier | Maine |
| 95 | Maud M. Black | 42 | Wife | — | New Hampshire |
| 96 | Louis W. Pickett | 20 | Boarder | Clerk | Massachusetts |
| 97 | Doris O. Pickett | 21 | Boarder | — | Massachusetts |
| 98 | Emma S. Converse | 65 | Boarder | — | Maine |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)