MH
Mary Hamilton — 1930 US Census Record
Model Tree available1930 United States Federal Census · Bristol, Massachusetts
Our Model Tree links this Mary Hamilton across the 1910, 1920 and 1930 US Censuses in Bristol, Massachusetts (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bristol, Massachusetts |
| Surname | Hamilton |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Net Shop Finisher |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | Somerset |
| Est. Birth Year | ~1910 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hamilton | Daughter | — | 20 | ~1910 |
| Rosanna Hamilton | Daughter | — | 17 | ~1913 |
| Isabel Hamilton | Daughter | — | 24 | ~1906 |
| James Hamilton | Head | — | 52 | ~1878 |
| James Hamilton | Son | — | 13 | ~1917 |
| Margaret Hamilton | Spouse | — | 51 | ~1879 |
Census Appearances
1910
Bristol, Massachusetts
Daughter, age 1
Bristol, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Bristol, Massachusetts
Daughter, age 10
Bristol, Massachusetts · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Bristol, Massachusetts
Daughter, age 20
Bristol, Massachusetts · implied b. ~1910 — 6 household members
| Surname | Hamilton |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Massachusetts |
| Occupation | Stenographer |
| Industry | Net Shop Finisher |
| 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 Mary Hamilton across 3 US Census years (1910, 1920 and 1930) in Bristol, Massachusetts, using XGBoost record linkage. Identified parents: father James Hamilton (~0.92 confidence) and father James Hamilton (~0.92 confidence) and mother Margaret Hamilton (~0.92 confidence) and father James Hamilton (~0.92 confidence) and mother Margaret Hamilton (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Hamilton
b. ~1874
Source father
● Household
· direct · ~0.92
Father
James Hamilton
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Margaret Hamilton
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
James Hamilton
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Margaret Hamilton
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hamilton
Daughter · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Rosanna Hamilton
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabel Hamilton
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hamilton
Sibling · 1930 · age 13
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 — Bristol, Massachusetts
Open full size
1930 US Federal Census — Bristol, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel893:0565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lucy A. Rothwell | 48 | wife | Weaver | England |
| 52 | Ruth A. Rothwell | 13 | daughter | None | Michigan |
| 53 | Clarence D. Boyle | 40 | head | Teller | Massachusetts |
| 54 | Margaret G. Boyle | 35 | wife | None | Massachusetts |
| 55 | Andell Rudolph | 22 | head | Chemist | Massachusetts |
| 56 | Alice Rudolph | 19 | wife | None | Connecticut |
| 57 | Daniel F. Lynch | 26 | head | Molder | Massachusetts |
| 58 | Mildred E. Lynch | 26 | wife | None | Massachusetts |
| 59 | Damon J. Lynch | 3 | son | None | Massachusetts |
| 60 | John R. Lynch | 1 | son | None | Massachusetts |
| 61 | Dolores M. Lynch | 0 | daughter | None | Massachusetts |
| 62 | Bridget Kennedy | 67 | aunt | None | Irish Free State |
| 63 | Alton M. Greene | 23 | boarder | Mender | Massachusetts |
| 64 | Margaret Anderson | 48 | head | Stenographer | Massachusetts |
| 65 | William H. Mather | 42 | head | None | Rhode Island |
| 66 | Anna C. Mather | 39 | wife | None | Massachusetts |
| 67 | Arthur Boucher | 48 | head | Barber | Maine |
| 68 | Helena Boucher | 46 | wife | None | Canada French |
| 69 | Arthur Boucher | 20 | son | Barber | Massachusetts |
| 70 | Hester Boucher | 19 | son | Delivery Man | Massachusetts |
| 71 | Theodore Boucher | 18 | son | None | Massachusetts |
| 72 | Irving Boucher | 16 | son | None | Massachusetts |
| 73 | Irma Boucher | 12 | daughter | None | Massachusetts |
| 74 | John J. Aylward | 24 | head | Dyer | Massachusetts |
| 75 | Carrie Aylward | 26 | wife | None | Massachusetts |
| 76 | John R. Aylward | 2 | son | None | Massachusetts |
| 77 | James J. Hamilton | 52 | head | Dyer | New Jersey |
| 78 | Margaret J. Hamilton | 51 | wife | None | Massachusetts |
| 79 | Isabel M. Hamilton | 24 | daughter | Stenographer | Massachusetts |
| 80 | Mary M. Hamilton THIS PERSON | 20 | daughter | Stenographer | Massachusetts |
| 81 | Rosanna Hamilton | 17 | daughter | None | Massachusetts |
| 82 | James Jr. Hamilton | 13 | son | None | Massachusetts |
| 83 | Thomas Marsden | 39 | head | Machinist | England |
| 84 | Florence Marsden | 40 | wife | None | England |
| 85 | James Marsden | 14 | son | None | Massachusetts |
| 86 | Florence Marsden | 12 | daughter | None | Massachusetts |
| 87 | Thomas F. Marsden | 9 | son | None | Massachusetts |
| 88 | Arthur J. Marsden | 7 | son | None | Massachusetts |
| 89 | Flora Douglas | 35 | head | Housekeeper | Massachusetts |
| 90 | William Fournier | 74 | father | None | New York |
| 91 | Leo Clarkson | 34 | head | Sub Manager | Massachusetts |
| 92 | Ruth Clarkson | 34 | wife | None | Massachusetts |
| 93 | Sheldon Clarkson | 6 | son | None | Massachusetts |
| 94 | Norman Clarkson | 1 | son | None | Massachusetts |
| 95 | Lloyd G. Dauphee | 33 | head | Electrician | Rhode Island |
| 96 | Cecelia Dauphee | 33 | wife | None | Rhode Island |
| 97 | Lloyd Jr. Dauphee | 6 | son | None | Massachusetts |
| 98 | Virginia E. Dauphee | 4 | daughter | None | Massachusetts |
| 99 | Caroline W. De Blois | 69 | aunt | None | Rhode Island |
| 100 | William Carnie | 31 | head | Load Manager | Massachusetts |
Pedigree Summary
Mary + 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)