HM
Harry Mason — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Harry Mason across the 1910, 1920 and 1930 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 4-person household.
Age 51
b. ~1879
Male
Head
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Massachusetts |
| Surname | Mason |
| Given Name | Harry A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Highways |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Superintendent |
| Township / Ward | Princeton Town |
| Est. Birth Year | ~1879 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Mary Mason | Other | — | 47 | ~1883 |
| Harry Mason | Head | — | 51 | ~1879 |
| Robert Mason | Son | — | 19 | ~1911 |
| Rockwood Mason | Son | — | 14 | ~1916 |
Census Appearances
1910
Worcester, Massachusetts
Head, age 31
Worcester, Massachusetts · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Harry A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 6 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Marketman |
| Industry | Prov. Market |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Worcester, Massachusetts
Head, age 41
Worcester, Massachusetts · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Harry A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Massachusetts |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Head, age 51
Worcester, Massachusetts · implied b. ~1879 — 4 household members
| Surname | Mason |
| Given Name | Harry A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Superintendent |
| Industry | Highways |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| 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 Harry Mason across 3 US Census years (1910, 1920 and 1930) in Worcester, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Mason
Head · 1930 · age 51 · b. ~1879 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Worcester, Massachusetts
Open full size
1930 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel965:0505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willard C. Hannon | 27 | Head | Laborer | Massachusetts |
| 2 | Lillie G. Hannon | 23 | Wife-H | — | Canada French |
| 3 | Juliette M. Hannon | 3 | Daughter | — | Massachusetts |
| 4 | Barbara E. Hannon | 2 | Daughter | — | Massachusetts |
| 5 | William R. Hannon | 1 | Son | — | Massachusetts |
| 6 | George Mason | 80 | Head | — | Massachusetts |
| 7 | Joseph Mason | 74 | Brother | — | Massachusetts |
| 8 | Elizabeth C. Woodward | 63 | Mother-H | — | Maine |
| 9 | Philip N. Woodward | 30 | Head | Contractor | Massachusetts |
| 10 | Arlene Woodward | 24 | Wife | Operator | Massachusetts |
| 11 | Jane Woodward | 3 | Daughter | — | Massachusetts |
| 12 | Fredricia Alexander | 22 | Boarder | Teacher | Massachusetts |
| 13 | Wayland C. Davis | 74 | Head | — | Massachusetts |
| 14 | Annie R. Davis | 68 | Wife-H | — | Massachusetts |
| 15 | Eugene J. Sullivan | 44 | Head | Operator | Massachusetts |
| 16 | Agnes G. Sullivan | 38 | Wife-H | — | Massachusetts |
| 17 | Irving L. Pratt | 60 | Head | Farmer | Massachusetts |
| 18 | Nellie L. Pratt | 61 | Wife-H | — | Massachusetts |
| 19 | Harry A. Mason THIS PERSON | 51 | Head | Superintendent | Massachusetts |
| 20 | Mary O. Mason | 47 | Wife-H | — | Vermont |
| 21 | Robert B. Mason | 19 | Son | — | Massachusetts |
| 22 | Rockwood P. Mason | 14 | Son | — | Massachusetts |
| 23 | — | None | — | — | — |
| 24 | — | None | — | — | — |
| 25 | — | None | — | — | — |
| 26 | — | None | — | — | — |
| 27 | — | None | — | — | — |
| 28 | — | None | — | — | — |
| 29 | — | None | — | — | — |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | — | None | — | — | — |
| 33 | — | None | — | — | — |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | — | None | — | — | — |
| 37 | — | None | — | — | — |
| 38 | — | None | — | — | — |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)