HS
Helen Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Helen Smith across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Thomas & Annie — first a daughter (b.~1898), then head of a 5-person household.
Age 32
b. ~1898
Female
Daughter
Born: Massachusetts
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Smith |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Bookkeeper |
| Township / Ward | Medford City |
| Est. Birth Year | ~1898 |
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 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Smith | Daughter | — | 32 | ~1898 |
| Frances Smith | Daughter | — | 34 | ~1896 |
| Dorothy Smith | Daughter | — | 38 | ~1892 |
| Annie Smith | Head | — | 61 | ~1869 |
| Frances Smith | Other | — | 11 | ~1919 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 13
Middlesex, Massachusetts · implied b. ~1897 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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
Daughter, age 22
Middlesex, Massachusetts · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Trimmer |
| Industry | Cotton Mill |
| 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
Daughter, age 32
Middlesex, Massachusetts · implied b. ~1898 — 5 household members
| Surname | Smith |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Bookkeeper |
| Industry | Machine Shop |
| 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 Helen Smith across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Thomas Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Smith
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Smith
Daughter · 1930 · age 32 · b. ~1898 · Massachusetts
★ You are viewing this record
Sibling
Frances Smith
Sibling · 1930 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Smith
Sibling · 1930 · age 38
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:massachusettscensus00reel924:0590)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dennis Dickenson | 55 | Head | None | Newfoundland |
| 52 | Helen D Dickenson | 30 | Daughter | None | Massachusetts |
| 53 | L Harvey | 29 | Son-in-law | Assembler | Massachusetts |
| 54 | Jr Saunders Harvey | 4 | Grandson | None | Massachusetts |
| 55 | Margaret Magnuson | 24 | Daughter | Clerk | Massachusetts |
| 56 | Thurston Magnuson | 23 | Son-in-law | Core Maker | Sweden |
| 57 | Charles Fauci | 38 | Head | President | Italy |
| 58 | Gertrude M Fauci | 40 | Wife-H | None | Massachusetts |
| 59 | Charles Jr Fauci | 8 | Son | None | Massachusetts |
| 60 | Annie E Smith | 61 | Head | None | Massachusetts |
| 61 | Dorothy Smith | 38 | Daughter | None | Massachusetts |
| 62 | Frances Smith | 34 | Daughter | Bookkeeper | Massachusetts |
| 63 | Helen Smith THIS PERSON | 32 | Daughter | Bookkeeper | Massachusetts |
| 64 | Frances Smith | 11 | Granddaughter | None | Massachusetts |
| 65 | William Whicker | 67 | Head | Agt | Swansea |
| 66 | Clara Whicker | 67 | Wife-H | None | England |
| 67 | James E Dunn | 61 | Head | Operator | England |
| 68 | Annie J Dunn | 51 | Wife-H | None | Massachusetts |
| 69 | Mary G Dunn | 21 | Gold Beating | Bookkeeper | Massachusetts |
| 70 | James J Dwyer | 46 | Head | Contractor | Massachusetts |
| 71 | Mary E Dwyer | 45 | Wife-H | None | Massachusetts |
| 72 | Alice R Dwyer | 13 | Daughter | None | Massachusetts |
| 73 | John J Callahan | 21 | Step-son | None | Massachusetts |
| 74 | Mary J Noonan | 59 | Head | None | England |
| 75 | Mary Noonan | 30 | Daughter | Secretary | Massachusetts |
| 76 | Helen J Noonan | 28 | Daughter | Stenographer | Massachusetts |
| 77 | Cornelius J Ansil | 48 | Head | Cleaner | Ireland |
| 78 | Mary Ansil | 44 | Wife-H | None | Ireland |
| 79 | John Ansil | 16 | Son | None | Massachusetts |
| 80 | Mary M Ansil | 12 | Daughter | None | Massachusetts |
| 81 | Katherine Ansil | 7 | Daughter | None | Massachusetts |
| 82 | Dennis J Ansil | 39 | Lodger | Operator | Ireland |
| 83 | John Sheehan | 61 | Head | Labor | Ireland |
| 84 | Hannah Sheehan | 59 | Wife-H | None | Ireland |
| 85 | Margaret E Sheehan | 26 | Daughter | None | Massachusetts |
| 86 | Edna B Sheehan | 19 | Daughter | None | Massachusetts |
| 87 | John J O'Halloran | 34 | Head | Chauffeur | Massachusetts |
| 88 | Mary O'Halloran | 34 | Wife-H | None | Ireland |
| 89 | Mary O'Halloran | 9 | Daughter | None | Massachusetts |
| 90 | Julia T Crowley | 30 | Boarder | Servant | Ireland |
| 91 | Ella Lyons | 32 | Lodger | Servant | Ireland |
| 92 | John Sullivan | 24 | Lodger | Labor | Ireland |
| 93 | Patrick Sullivan | 27 | Lodger | Labor | Ireland |
| 94 | James Sullivan | 31 | Lodger | Labor | Ireland |
| 95 | Jeremiah Murphy | 23 | Lodger | Labor | Ireland |
| 96 | Harold M Scagill | 43 | Head | None | Canada English |
| 97 | Mildred Scagill | 39 | Wife-H | None | Massachusetts |
| 98 | Kenneth B Scagill | 14 | Son | None | Massachusetts |
| 99 | Mary A Willey | 60 | Mother-in-law | None | Vermont |
| 100 | Joseph A Donahue | 45 | Head | Lineman | Massachusetts |
Pedigree Summary
Helen + 2 siblings
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)