HC
Helen Collins — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Helen Collins across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Dennis & Susan — first a daughter (b.~1907), then head of a 6-person household.
Age 23
b. ~1907
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Collins |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| John Collins | Son | — | 14 | ~1916 |
| Thomas Collins | Head | — | 46 | ~1884 |
| Thomas Collins | Son | — | 11 | ~1919 |
| Sydney Collins | Son | — | 21 | ~1909 |
| Helen Collins | Daughter | — | 23 | ~1907 |
| Rosanna Collins | Spouse | — | 43 | ~1887 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 1
Middlesex, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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 12
Middlesex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Daughter, age 23
Middlesex, Massachusetts · implied b. ~1907 — 6 household members
| Surname | Collins |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | School |
| 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 Collins across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Dennis Collins (~0.92 confidence) and mother Susan Collins (~0.92 confidence) and father Thomas Collins (~0.92 confidence) and mother Rosanna Collins (~0.92 confidence) and mother Roseanne Collins (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dennis Collins
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Susan Collins
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Thomas Collins
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Rosanna Collins
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Roseanne Collins
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Collins
Daughter · 1930 · age 23 · b. ~1907 · Massachusetts
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Sibling
Sydney Collins
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Collins
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Collins
Sibling · 1930 · age 14
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
31 people indexed on this census page (ia:1930:massachusettscensus00reel922:0606)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James E. Mccann | 70 | Head | Laborer | Irish Free State |
| 52 | Catherine Mccann | 64 | Wife | — | Irish Free State |
| 53 | Margaret Mccann | 25 | Daughter | — | Massachusetts |
| 54 | Edward L. Martini | 46 | Head | Carpenter | Minnesota |
| 55 | Catherine A. Martini | 34 | Wife | — | Massachusetts |
| 56 | Arthur Martini | 7 | Son | — | Massachusetts |
| 57 | Edward Martini | 1 | Son | — | Massachusetts |
| 58 | John Rohan | 6 | Lodger | — | Massachusetts |
| 59 | Dona J. Decelles | 22 | Head | Carder | Massachusetts |
| 60 | Marion E. Decelles | 22 | Wife | Clerk | New Hampshire |
| 61 | Mary A. Carney | 43 | Head | Matron | Massachusetts |
| 62 | Mary P. Carney | 15 | Daughter | — | Massachusetts |
| 63 | Winifred D. Carney | 13 | Daughter | — | Massachusetts |
| 64 | Patrick J. Kelley | 41 | Head | Erector | Massachusetts |
| 65 | Alice M. Kelley | 36 | Wife | — | Massachusetts |
| 66 | Thomas A. Collins | 46 | Head | Hostler | Massachusetts |
| 67 | Rosanna E. Collins | 43 | Wife | — | Massachusetts |
| 68 | Helen E. Collins THIS PERSON | 23 | Daughter | Teacher | Massachusetts |
| 69 | Sydney A. Collins | 21 | Son | Laborer | Massachusetts |
| 70 | John W. Collins | 14 | Son | — | Massachusetts |
| 71 | Thomas A. Jr. Collins | 11 | Son | — | Massachusetts |
| 72 | Mary J. Dowd | 58 | Head | — | Massachusetts |
| 73 | Raymond E. Dowd | 34 | Son | Compositor | Massachusetts |
| 74 | Thomas J. Dowd | 36 | Son | Clerk | Massachusetts |
| 75 | Marion P. Dowd | 34 | Daughter-in-law | — | Massachusetts |
| 76 | Shirley J. Dowd | 4 | Granddaughter | — | Massachusetts |
| 77 | Walter D. Dowd | 3 | Grandson | — | Massachusetts |
| 78 | Doris M. Dowd | 1 | Granddaughter | — | Massachusetts |
| 79 | Sadie G. Gaaley | 40 | Lodger | Maid | Massachusetts |
| 80 | Nellie F. Gaaley | 60 | Lodger | — | Massachusetts |
| 81 | Bertha M. Clark | 75 | Head | — | New York |
Pedigree Summary
Helen + 3 siblings
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)