DS
Donald Stewart — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Donald Stewart across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1908), then head of a 4-person household.
Age 22
b. ~1908
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Stewart |
| Given Name | Donald M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Coal Passer |
| Industry | Power Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Coal Passer |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1908 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald Stewart | Son | — | 22 | ~1908 |
| John Stewart | Head | — | 46 | ~1884 |
| Bessie Stewart | Other | — | 46 | ~1884 |
| Gordon Stewart | Son | — | 20 | ~1910 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | Donald M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | New York |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Steward |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 22
Middlesex, Massachusetts · implied b. ~1908 — 4 household members
| Surname | Stewart |
| Given Name | Donald M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | New York |
| Occupation | Coal Passer |
| Industry | Power Station |
| Class of Worker | W |
| 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 Donald Stewart across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father John Stewart (~0.92 confidence) and father John Stewart (~0.92 confidence) and father John Steward (~0.92 confidence) and mother Louise Steward (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Stewart
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Stewart
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Steward
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Louise Steward
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Stewart
Son · 1930 · age 22 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Gordon Stewart
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
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:massachusettscensus00reel929:0319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laurence Curtis | 60 | Head | Janitor | Irish Free State |
| 2 | Theresa Curtis | 57 | Wife-H | — | Canada-English |
| 3 | Georgiana E Curtis | 26 | Daughter | Stenographer | Massachusetts |
| 4 | Sumner A Noble | 23 | Son-in-law | Machinist | Maine |
| 5 | Charlotte J Noble | 23 | Daughter | — | Massachusetts |
| 6 | Albert S Noble | 0 | Grandson | — | Massachusetts |
| 7 | Arthur C Rich | 70 | Head | Custodian | Massachusetts |
| 8 | Nellie E Rich | 72 | Wife-H | — | Massachusetts |
| 9 | Joseph C Breen | 57 | Head | Clerk | Massachusetts |
| 10 | Josephine F Breen | 56 | Wife-H | — | Massachusetts |
| 11 | Margaret M Breen | 34 | Daughter | Bookkeeper | Massachusetts |
| 12 | Francis J Breen | 29 | Son | Clerk | Massachusetts |
| 13 | John J Breen | 27 | Son | Reemachinist | Massachusetts |
| 14 | Joseph C Jr Breen | 22 | Son | Bookkeeper | Massachusetts |
| 15 | Beatrice Breen | 19 | Daughter | Clerk | Massachusetts |
| 16 | Ruth I Breen | 16 | Daughter | — | Massachusetts |
| 17 | Philip Hawley | 8 | Lodger | — | Massachusetts |
| 18 | Edward C Dickinson | 50 | Head | Superintendent | New York |
| 19 | Mary E Dickinson | 50 | Wife-H | — | Massachusetts |
| 20 | Rosemary E Dickinson | 16 | Daughter | — | Massachusetts |
| 21 | Ruth J Dickinson | 13 | Daughter | — | Massachusetts |
| 22 | Peter D Buyers | 39 | Head | Machinist | Scotland |
| 23 | Selina A Buyers | 40 | Wife-H | — | Scotland |
| 24 | John J Buyers | 14 | Son | — | Massachusetts |
| 25 | A Albert Campagna | 37 | Head | Merchant | Italy |
| 26 | Rose Campagna | 24 | Wife-H | — | Massachusetts |
| 27 | Florence E Stratton | 50 | Head-H | — | Maine |
| 28 | Emma J Stratton | 79 | Sister-in-law | — | Vermont |
| 29 | Walter B Knight | 68 | Boarder | Conductor | Massachusetts |
| 30 | Maurice R Macleod | 26 | Head | Bricklayer | Massachusetts |
| 31 | Mary Macleod | 26 | Wife-H | — | Pennsylvania |
| 32 | Joseph La France | 42 | Head | Manager | Canada-French |
| 33 | Agnes B La France | 34 | Wife-H | — | Massachusetts |
| 34 | June E La France | 1 | Daughter | — | Massachusetts |
| 35 | John W Stewart | 46 | Head | Compositor | Scotland |
| 36 | Bessie R Stewart | 46 | Wife-H | Operator | New York |
| 37 | Donald M Stewart THIS PERSON | 22 | Son | Coal Passer | Massachusetts |
| 38 | Gordon D Stewart | 20 | Son | Helper | Massachusetts |
| 39 | Cornelius J Driscoll | 33 | Head | Mail Carrier | Massachusetts |
| 40 | Gertrude F Driscoll | 32 | Wife-H | — | Massachusetts |
| 41 | Elizabeth A Driscoll | 3 | Daughter | — | Massachusetts |
| 42 | John J Driscoll | 1 | Son | — | Massachusetts |
| 43 | William P Crowley | 42 | Head | Mail Carrier | Massachusetts |
| 44 | Teresa E Crowley | 35 | Wife-H | — | Massachusetts |
| 45 | William J Crowley | 2 | Son | — | Massachusetts |
| 46 | Annie M Mckay | 69 | Aunt-in-law | Hairdresser | Massachusetts |
| 47 | Frederick E Taylor | 38 | Head | Salesman | Massachusetts |
| 48 | Nora E Taylor | 37 | Wife-H | — | Massachusetts |
| 49 | Theresa M Taylor | 3 | Daughter | — | Massachusetts |
| 50 | Bridget Legere | 69 | Mother-in-law | — | Irish Free State |
Pedigree Summary
Donald + 1 sibling
Gen 1 · 4 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)