SS
Stephen Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Stephen Smith across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Alice & Herbert — first a son (b.~1908), then head of a 3-person household.
Age 22
b. ~1908
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Smith |
| Given Name | Stephen W. A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Watertown Town |
| 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Stephen | Age | Birth yr |
|---|---|---|---|---|
| Herbert Smith | Head | — | 62 | ~1868 |
| Stephen Smith | Son | — | 22 | ~1908 |
| Alice Smith | Other | — | 60 | ~1870 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Stephen P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| 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 | Smith |
| Given Name | Stephen W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| 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 — 3 household members
| Surname | Smith |
| Given Name | Stephen W. A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| 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 Stephen Smith across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: mother Alice Smith (~0.92 confidence) and father Herbert Smith (~0.92 confidence) and father Herbert Smith (~0.92 confidence) and father Herbert Smith (~0.92 confidence) and mother Alice Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Alice Smith
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
Herbert Smith
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Herbert Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Herbert Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Alice Smith
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Stephen Smith
Son · 1930 · age 22 · b. ~1908 · 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:massachusettscensus00reel931:0200)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara L. Woodrow | 3 | Daughter | — | Canada-English |
| 2 | Helen T. Woodrow | 32 | Sister | — | Canada-English |
| 3 | Eugene E. Simpson | 57 | Head | Courier | Canada-English |
| 4 | Lorrine C. Simpson | 54 | Wife-H | — | Maine |
| 5 | Herbert W. Smith | 62 | Head | Ass'T Manager | Massachusetts |
| 6 | Alice P. Smith | 60 | Wife-H | — | Massachusetts |
| 7 | Stephen W. A. Smith THIS PERSON | 22 | Son | — | Massachusetts |
| 8 | Murel M. Boyden | 49 | Head | Saleswoman | Illinois |
| 9 | Robert S. Boyden | 20 | Son | — | New York |
| 10 | Julia M. G. Boyden | 75 | Mother-in-law | — | Indiana |
| 11 | Carlton F. Critchert | 25 | Head | Contractor | Massachusetts |
| 12 | Sigrid L. Critchert | 25 | Wife-H | — | Massachusetts |
| 13 | C. Winston Critchert | 1 | Son | — | Massachusetts |
| 14 | William H. Pratt | 52 | Head | Buyer | New Jersey |
| 15 | Mabelle K. Pratt | 51 | Wife-H | — | Massachusetts |
| 16 | John Pratt | 77 | Father | — | Massachusetts |
| 17 | William J. Miller | 35 | Head | Manufacturer | Massachusetts |
| 18 | Grace E. Miller | 23 | Wife-H | — | Massachusetts |
| 19 | Barbara Miller | 2 | Daughter | — | Massachusetts |
| 20 | John J. Wilson | 60 | Head | Purchasing Agent | Massachusetts |
| 21 | Mary L. Wilson | 50 | Wife-H | — | Massachusetts |
| 22 | Mary E. Wilson | 27 | Daughter | Teacher | Massachusetts |
| 23 | Dorothy S. Wilson | 25 | Daughter | — | Massachusetts |
| 24 | John J. Jr. Wilson | 22 | Son | — | Massachusetts |
| 25 | W. Elmer Atwood | 44 | Head | Owner | Massachusetts |
| 26 | Dione H. Atwood | 37 | Wife-H | — | Maine |
| 27 | Robert J. Atwood | 19 | Step son | Agent | New York |
| 28 | James H. Sullivan | 47 | Head | District Manager | Massachusetts |
| 29 | Rose M. Sullivan | 47 | Wife-H | — | Massachusetts |
| 30 | Margaret A. Sullivan | 16 | Daughter | — | Connecticut |
| 31 | Mary E. Sullivan | 13 | Daughter | — | Connecticut |
| 32 | Charles L. Lawton | 52 | Head | Commercial Traveler | Massachusetts |
| 33 | Susan H. Lawton | 45 | Wife-H | — | Massachusetts |
| 34 | C. Russell Lawton | 24 | Son | Salesman | Massachusetts |
| 35 | Theodore S. Lawton | 22 | Son | Draftsman | Massachusetts |
| 36 | Edward E. Peat | 37 | Head | Architect | Massachusetts |
| 37 | Virginia C. Peat | 25 | Wife-H | — | West Virginia |
| 38 | Edward E. Jr. Peat | 2 | Son | — | Massachusetts |
| 39 | Catherine Lonergan | 20 | Servant | Servant | Irish Free State |
| 40 | Lincoln Hayes | 34 | Head | Commercial Traveler | Massachusetts |
| 41 | Katherine M. Hayes | 28 | Wife-H | — | Massachusetts |
| 42 | Fred L. Whitman | 49 | Head | Commercial Traveler | New York |
| 43 | Cora W. Whitman | 61 | Wife-H | — | New York |
| 44 | Shirley L. Babcock | 33 | Head | Registered Nurse | Maine |
| 45 | Marion W. Babcock | 34 | Wife-H | — | Massachusetts |
| 46 | Barbara A. Babcock | 1 | Daughter | — | Massachusetts |
| 47 | Flora E. Favour | 57 | Mother-in-law | — | Maine |
| 48 | Charles M. Preston | 62 | Head | Owner | Massachusetts |
| 49 | Minnie M. Preston | 42 | Wife-H | — | Canada-English |
| 50 | Marion C. Preston | 6 | Daughter | — | Massachusetts |
Pedigree Summary
Stephen
Gen 1 · 5 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)