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John Roach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hampden, Massachusetts
Our Model Tree links this John Roach across the 1930 and 1940 US Censuses in Hampden, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 5
b. ~1925
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hampden, Massachusetts |
| Surname | Roach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 5 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Roach | Daughter | — | 10 | ~1920 |
| Dorothy Roach | Daughter | — | 8 | ~1922 |
| Mary Roach | Daughter | — | 25 | ~1905 |
| Helen Roach | Daughter | — | 18 | ~1912 |
| Joseph Roach | Head | — | 41 | ~1889 |
| John Roach | Son | — | 5 | ~1925 |
| William Roach | Son | — | 14 | ~1916 |
| Rose Roach | Spouse | — | 41 | ~1889 |
Census Appearances
1930
Hampden, Massachusetts
Son, age 5
Hampden, Massachusetts · implied b. ~1925 — 8 household members
| Surname | Roach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 5 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Son, age 15
Hampden-County, Massachusetts · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roche |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 John Roach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Roach
Son · 1930 · age 5 · b. ~1925 · Massachusetts
★ You are viewing this record
Sibling
William Roach
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Roach
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Roach
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Roach
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Roach
Sibling · 1930 · age 25
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 — Hampden, Massachusetts
Open full size
1930 US Federal Census — Hampden, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel948:0063)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josephine Singer | 40 | Head | Truck Driver | Russia |
| 2 | Paul Singer | 18 | Son | — | Massachusetts |
| 3 | Rose Singer | 18 | Daughter | Saleslady | Massachusetts |
| 4 | Joseph Roach | 41 | Head | Fireman | Massachusetts |
| 5 | Rose A Roach | 41 | Wife | — | Massachusetts |
| 6 | Mary Roach | 25 | Daughter | — | Massachusetts |
| 7 | Helen Roach | 18 | Daughter | Binder | Massachusetts |
| 8 | William Roach | 14 | Son | — | Massachusetts |
| 9 | Katherine Roach | 10 | Daughter | — | Massachusetts |
| 10 | Dorothy Roach | 8 | Daughter | — | Massachusetts |
| 11 | John Roach THIS PERSON | 5 | Son | — | Massachusetts |
| 12 | Annie Corcoran | 54 | Head | Cleaner | Canada English |
| 13 | John Maloney | 28 | Head | — | Massachusetts |
| 14 | Mary Maloney | 27 | Wife | Trimmer | Massachusetts |
| 15 | Joseph Maloney | 10 | Son | — | Massachusetts |
| 16 | Francis Maloney | 8 | Son | — | Massachusetts |
| 17 | John Maloney | 7 | Son | — | Massachusetts |
| 18 | William Maloney | 4 | Son | — | Massachusetts |
| 19 | Dorothy Maloney | 2 | Daughter | — | Massachusetts |
| 20 | Robert Maloney | 0 | Son | — | Massachusetts |
| 21 | Fred Guintini | 21 | Head | Porter | Massachusetts |
| 22 | Irene Guintini | 19 | Wife | — | Vermont |
| 23 | Robert Guintini | 0 | Son | — | Massachusetts |
| 24 | Thomas King | 37 | Head | Iron Moulder | Maine |
| 25 | Katherine King | 33 | Wife | — | Maine |
| 26 | Thomas King | 15 | Son | — | Maine |
| 27 | James King | 10 | Son | — | Maine |
| 28 | Thomas Fitzgerald | 52 | Head | Salesman | Massachusetts |
| 29 | James Fitzgerald | 49 | Brother | Laborer | Massachusetts |
| 30 | Katherine Fitzgerald | 42 | Sister | — | Massachusetts |
| 31 | William Fitzgerald | 23 | Brother | Laborer | Massachusetts |
| 32 | Charles Fitzgerald | 21 | Brother | — | Massachusetts |
| 33 | John Fitzgerald | 2 | Brother | — | Massachusetts |
| 34 | James Lamar | 36 | Head | Iron Moulder | Am. Cit. |
| 35 | Rose Lamar | 35 | Wife | — | Massachusetts |
| 36 | James Lamar | 18 | Son | Cleaner | Connecticut |
| 37 | Edward Lamar | 16 | Son | Cleaner | Am. Cit. |
| 38 | William Lamar | 14 | Son | — | Massachusetts |
| 39 | John Lamar | 12 | Son | — | Massachusetts |
| 40 | Elizabeth Lamar | 11 | Daughter | — | Massachusetts |
| 41 | Katherine Lamar | 9 | Daughter | — | Massachusetts |
| 42 | Raymond Lamar | 8 | Son | — | Massachusetts |
| 43 | Robert Lamar | 2 | Son | — | Massachusetts |
| 44 | Alex Ziemier | 40 | Head | Slaughter | Poland |
| 45 | Mary Ziemier | 40 | Wife | — | Poland |
| 46 | William Ziemier | 19 | Son | — | Massachusetts |
| 47 | Frank Ziemier | 18 | Son | — | Massachusetts |
| 48 | Harry Ziemier | 16 | Son | Helper | Massachusetts |
| 49 | Stella Ziemier | 14 | Daughter | Office Boy | Massachusetts |
| 50 | John Ziemier | 12 | Son | — | Massachusetts |
Related Census Records
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)