JM
John Maloney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Maloney across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Maloney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Watertown Town |
| Est. Birth Year | ~1918 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helena Maloney | Daughter | — | 19 | ~1911 |
| Lillian Maloney | Daughter | — | 25 | ~1905 |
| Thomas Maloney | Head | — | 53 | ~1877 |
| Lena Maloney | Other | — | 48 | ~1882 |
| Francis Maloney | Son | — | 6 | ~1924 |
| John Maloney | Son | — | 12 | ~1918 |
| William Maloney | Son | — | 11 | ~1919 |
| Thomas Maloney | Son | — | 22 | ~1908 |
| James Maloney | Son | — | 24 | ~1906 |
| Edward Maloney | Son | — | 15 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maloney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1918 — 10 household members
| Surname | Maloney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| 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 John Maloney across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Maloney
Son · 1930 · age 12 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Thomas Maloney
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helena Maloney
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Maloney
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Maloney
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Maloney
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Maloney
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Maloney
Sibling · 1930 · age 15
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:massachusettscensus00reel931:0448)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Lord | 52 | Head | Fireman | Irish Free State |
| 52 | Mary Lord | 56 | Wife-H | — | Irish Free State |
| 53 | Alice Lord | 19 | Daughter | — | Massachusetts |
| 54 | Mary Lord | 17 | Daughter | — | Massachusetts |
| 55 | Ambrose Lord | 16 | Son | — | Massachusetts |
| 56 | Richard D Gallagher | 66 | Head | Motorman | Massachusetts |
| 57 | Mary Pritchard | 41 | Daughter-H | — | Massachusetts |
| 58 | Mary G Pritchard | 14 | Daughter | — | Massachusetts |
| 59 | William Pritchard | 12 | Grandson | — | Massachusetts |
| 60 | Joseph Mcelroy | 15 | Grandson | — | Massachusetts |
| 61 | John J Mccarthy | 37 | Head | Sales Manager | Massachusetts |
| 62 | Helen Mccarthy | 33 | Wife-H | — | Massachusetts |
| 63 | John Jr Mccarthy | 4 | Son | — | Massachusetts |
| 64 | Anne Mccarthy | 1 | Daughter | — | Massachusetts |
| 65 | Elizabeth Mcfadden | 75 | Head | — | Ireland |
| 66 | Thomas J Maloney | 53 | Head | Foreman | Massachusetts |
| 67 | Lena Maloney | 48 | Wife-H | — | New York |
| 68 | Lillian Maloney | 25 | Daughter | Stenographer | Massachusetts |
| 69 | James Maloney | 24 | Son | Truck Driver | Massachusetts |
| 70 | Thomas Maloney | 22 | Son | Dyer | Massachusetts |
| 71 | Helena Maloney | 19 | Daughter | Stenographer | Massachusetts |
| 72 | Edward Maloney | 15 | Son | — | Massachusetts |
| 73 | John Maloney THIS PERSON | 12 | Son | — | Massachusetts |
| 74 | William Maloney | 11 | Son | — | Massachusetts |
| 75 | Francis Maloney | 6 | Son | — | Massachusetts |
| 76 | Harry S Wiley | 63 | Head | — | Maine |
| 77 | Ellen M Wiley | 88 | Mother | — | Maine |
| 78 | Eliza Mcdonough | 60 | Servant | Housekeeper | Ireland |
| 79 | Mary T Mcdonough | 35 | Roomer | Bookkeeper | Massachusetts |
| 80 | James M Reilly | 35 | Head | Chauffeur | Massachusetts |
| 81 | Agnes J Reilly | 30 | Wife-H | — | Canada-Eng. |
| 82 | James Jr Reilly | 8 | Son | — | Massachusetts |
| 83 | Lillian Reilly | 6 | Daughter | — | Massachusetts |
| 84 | Marjorie Reilly | 3 | Daughter | — | Massachusetts |
| 85 | George York | 37 | Head | Watchmaker | Massachusetts |
| 86 | Mary York | 31 | Wife-H | — | Massachusetts |
| 87 | Ralph York | 8 | Son | — | Massachusetts |
| 88 | Mary York | 7 | Son | — | Massachusetts |
| 89 | George York | 5 | Son | — | Massachusetts |
| 90 | Alma York | 1 | Daughter | — | Massachusetts |
| 91 | John M White | 56 | Head | Carpenter | Canada-Eng. |
| 92 | Ellen White | 55 | Wife-H | — | Irish Free State |
| 93 | Florence White | 23 | Daughter | Clerk | Massachusetts |
| 94 | Gladys White | 22 | Daughter | Stenographer | Massachusetts |
| 95 | Russell White | 16 | Son | — | Massachusetts |
| 96 | Joseph J Mccall | 36 | Head | Salesman | Massachusetts |
| 97 | Mary G Mccall | 39 | Wife-H | — | Massachusetts |
| 98 | Joseph Jr Mccall | 9 | Son | — | Massachusetts |
| 99 | John M Mccall | 5 | Son | — | Massachusetts |
| 100 | Evelyn Gabriel | 15 | Roomer | — | 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)