AM
Arthur Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Arthur Mason across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Mason |
| Given Name | Arthur O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | chauffeur |
| Industry | house service |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Boston City |
| Est. Birth Year | ~1912 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Richard Mason | Son | — | 2 | ~1938 |
| Alice Mason | Spouse | — | 26 | ~1914 |
| Elaine Mason | Daughter | — | 4 | ~1936 |
| Judith Mason | Daughter | — | ~1940 | |
| Arthur Mason | Head | — | 28 | ~1912 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 18
Suffolk, Massachusetts · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Massachusetts |
| Occupation | Helper |
| Industry | Metal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 28
Suffolk-County, Massachusetts · implied b. ~1912 — 5 household members
| Surname | Mason |
| Given Name | Arthur O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | chauffeur |
| Industry | house service |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | H-4 |
| 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 Arthur Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Arthur Mason
Head · 1940 · age 28 · b. ~1912 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01668-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 4 | Arthur O. Mason THIS PERSON | 28 | Head | Chauffeur | Massachusetts |
| 5 | Alice M. Mason | 26 | Wife | — | Massachusetts |
| 6 | Elaine M. Mason | 4 | Daughter | — | Massachusetts |
| 7 | Richard A. Mason | 2 | Son | — | Massachusetts |
| 8 | Judith Mason | 0 | Daughter | — | Massachusetts |
| 9 | John M. Conway | 37 | Head | Carpenter | Newfoundland |
| 10 | Mary B. Conway | 38 | Wife | Waitress | Ireland |
| 11 | Barbara A. Kelley | 62 | Head | Packer | Massachusetts |
| 12 | John V. Kelley | 35 | Son | Watchman | Massachusetts |
| 13 | Charles R. Grinnell | 26 | Head | Bunker | Massachusetts |
| 14 | Rose E. Grinnell | 25 | Wife | Salvager | Massachusetts |
| 15 | Walter F. Malone | 24 | Head | Peddler | Massachusetts |
| 16 | Dorothy N. Malone | 22 | Wife | — | Maine |
| 17 | Barbara A. Malone | 2 | Daughter | — | Massachusetts |
| 18 | Frederick J. Decan | 43 | Father | — | Canada-Eng |
| 19 | Jeanette C. Decan | 40 | Mother | Stewardess | Maine |
| 20 | Arnold S. Decan | 16 | Son | — | Maine |
| 21 | Russell J. Decan | 15 | Son | — | Maine |
| 22 | Leondine Schoen | 67 | Head | — | Russia |
| 23 | Otto A. Schoen | 35 | Son | Millwright | Massachusetts |
| 24 | Marie E. Schoen | 34 | Daughter-in-law | — | Germany |
| 25 | Karl Klinger | 39 | Head | Fixer | Germany |
| 26 | Gertrude Klinger | 39 | Wife | — | Germany |
| 27 | Annie J. Roth | 74 | Head | — | Ireland |
| 28 | Clara Roth | 38 | Daughter | Salesgirl | Massachusetts |
| 29 | Edward F. Donovan | 36 | Son-in-law | Bricklayer | Massachusetts |
| 30 | Grace M. Donovan | 35 | Daughter | — | Massachusetts |
| 31 | Edward P. Jr. Donovan | 1 | Grandson | — | Massachusetts |
| 32 | Joseph M. Donovan | 0 | Grandson | — | Massachusetts |
| 33 | Robert E. Jones | 45 | Head | Clerk-Sales | Massachusetts |
| 34 | Helen B. Jones | 39 | Wife | — | Massachusetts |
| 35 | Virginia Jones | 16 | Daughter | — | Massachusetts |
| 36 | Alan H. Bauer | 9 | Nephew | — | Massachusetts |
| 37 | Karl F. Bauer | 68 | Head | — | Germany |
| 38 | Mary A. Bauer | 67 | Wife | — | Germany |
| 39 | Katherine Seits | 71 | Sister | — | Germany |
| 40 | F. Louis Willwerth | 64 | Head | Confectioner | 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)