AA
Arthur Adams — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Arthur Adams across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a son (b.~1888), then head of a 3-person household.
Age 42
b. ~1888
Male
Son
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Adams |
| Given Name | Arthur M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Grocery Business |
| Industry | Own Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Grocery Business |
| Township / Ward | Waltham City |
| Est. Birth Year | ~1888 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Arthur Adams | Son | — | 42 | ~1888 |
| Mary Adams | Head | — | 80 | ~1850 |
| Margaret Adams | Other | — | 44 | ~1886 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 22
Middlesex, Massachusetts · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Salesman |
| Industry | Dry Goods |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 32
Middlesex, Massachusetts · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Arthur M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Buyer |
| Industry | Department store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 42
Middlesex, Massachusetts · implied b. ~1888 — 3 household members
| Surname | Adams |
| Given Name | Arthur M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Grocery Business |
| Industry | Own Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| 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 Adams across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: mother Mary Adams (~0.92 confidence) and mother Mary Adams (~0.92 confidence) and father Ptolemy Adams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Adams
b. ~1850
Source mother
● Household
· direct · ~0.92
Mother
Mary Adams
b. ~1850
Source mother
● Household
· direct · ~0.92
Father
Ptolemy Adams
b. ~1853
Source father
● Household
· direct · ~0.92
This person
Anchor record
Arthur Adams
Son · 1930 · age 42 · b. ~1888 · 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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel930:0877)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia Finnegan | 52 | Lodger | Maid | Massachusetts |
| 2 | William H. P. Smith | 74 | Head | Assessor | Massachusetts |
| 3 | Carrie A. Smith | 72 | Wife-H | — | Massachusetts |
| 4 | Elnora A. Brown | 70 | Sister-in-law | — | Massachusetts |
| 5 | Charles P. Nutting | 74 | Head | Treasurer | Massachusetts |
| 6 | Marissa A. Maynard | 84 | Mother-in-law | Housekeeper | Massachusetts |
| 7 | Ruth A. Maynard | 28 | Nurse | Nurse | Massachusetts |
| 8 | Frank M. Potter | 66 | Head | — | Massachusetts |
| 9 | Edith A. Potter | 50 | Wife-H | — | Massachusetts |
| 10 | John H. Mongonig | 23 | Head | Salesman | Massachusetts |
| 11 | Josie M. Mongonig | 23 | Wife-H | — | Canada-English |
| 12 | John H. Jr. Mongonig | 2 | Son | — | Massachusetts |
| 13 | Isa Loud | 61 | Head | — | Maine |
| 14 | Dorothy E. Loud | 28 | Daughter | Watch Maker | Maine |
| 15 | John J. Cahill | 39 | Head | Manager | Massachusetts |
| 16 | Gertrude J. Cahill | 37 | Wife-H | — | Massachusetts |
| 17 | Edward S. Gifford | 48 | Head | Tax Assessor | Massachusetts |
| 18 | Nathalie Gifford | 45 | Wife-H | — | Massachusetts |
| 19 | Ruth I. Gifford | 20 | Daughter | — | Massachusetts |
| 20 | Eunice A. Gifford | 60 | Aunt | Bookkeeper | Massachusetts |
| 21 | Eugene L. Garner | 37 | Head | Watch Maker | Maine |
| 22 | Ella M. Garner | 22 | Wife-H | — | Maine |
| 23 | Mae J. Garner | 5 | Daughter | — | Maine |
| 24 | Donald W. Garner | 2 | Son | — | Maine |
| 25 | Linnie E. Morey | 20 | Sister-in-law | Assembler | Maine |
| 26 | Calvin A. Cruellet | 21 | Head | — | Canada-French |
| 27 | Annie L. Cruellet | 69 | Wife-H | — | Canada-English |
| 28 | Ashley B. Roach | 63 | Head | Hardware | Canada-English |
| 29 | Florence G. Roach | 59 | Wife-H | — | Canada-English |
| 30 | Vera O. Small | 38 | Lodger | Saleslady | Maine |
| 31 | Lola L. Burns | 31 | Lodger | File Clerk | Maine |
| 32 | Edith M. Humphrey | 47 | Lodger | Welder | Massachusetts |
| 33 | Madge Canning | 29 | Lodger | Spring Cutter | Canada-English |
| 34 | Jeannette B. Wilson | 68 | Head | — | Massachusetts |
| 35 | Florence L. Wilson | 66 | Sister-H | — | Massachusetts |
| 36 | Mabel C. Wilson | 60 | Sister | — | Massachusetts |
| 37 | Henry M. Moulton | 72 | Head | Watch Maker | Massachusetts |
| 38 | Sadie L. Moulton | 72 | Wife-H | — | New Hampshire |
| 39 | Mary E. Adams | 80 | Head | — | Massachusetts |
| 40 | Arthur M. Adams THIS PERSON | 42 | Son | Grocery Business | Massachusetts |
| 41 | Margaret C. Adams | 44 | Daughter-in-law | — | England |
| 42 | Fred S. Estabrooks | 34 | Head | Manager | Massachusetts |
| 43 | Harrie H. Estabrooks | 32 | Wife-H | — | Massachusetts |
| 44 | Fred S. Jr. Estabrooks | 12 | Son | — | Pennsylvania |
| 45 | Audrey S. Estabrooks | 6 | Daughter | — | Massachusetts |
| 46 | Eleanor S. Estabrooks | 6 | Daughter | — | Massachusetts |
| 47 | Sidney B. Risdon | 46 | Head | Tool Maker | Massachusetts |
| 48 | Beatrice E. Risdon | 42 | Wife-H | — | Massachusetts |
| 49 | Stetson M. Risdon | 17 | Son | — | Massachusetts |
| 50 | Barbara Risdon | 12 | Daughter | — | Massachusetts |
Pedigree Summary
Arthur
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)