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John Madden — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this John Madden across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 10-person household.
Age 24
b. ~1906
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Madden |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Unemployed |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Unemployed |
| Township / Ward | Boston City |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Alice Madden | Daughter | — | 26 | ~1904 |
| Margaret Madden | Spouse | — | 52 | ~1878 |
| John Madden | Son | — | 24 | ~1906 |
| Alice Madden | Daughter | — | 28 | ~1902 |
| Louise Madden | Daughter | — | 13 | ~1917 |
| Paul Madden | Son | — | 18 | ~1912 |
| John Madden | Head | — | 57 | ~1873 |
| Peter Madden | Son | — | 22 | ~1908 |
| Dorothy Madden | Daughter | — | 20 | ~1910 |
| Edward Madden | Son | — | 16 | ~1914 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 14
Suffolk, Massachusetts · implied b. ~1906 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| 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
Suffolk, Massachusetts
Son, age 24
Suffolk, Massachusetts · implied b. ~1906 — 10 household members
| Surname | Madden |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Unemployed |
| 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 Madden across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Madden
Son · 1930 · age 24 · b. ~1906 · Massachusetts
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Sibling
Peter Madden
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Madden
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Madden
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Madden
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Madden
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Madden
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Madden
Sibling · 1930 · age 20
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel958:0530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary A. Biagio | 18 | Daughter | — | Massachusetts |
| 52 | Alice E. Biagio | 15 | Daughter | — | Massachusetts |
| 53 | Anthony Biagio | 14 | Son | — | Massachusetts |
| 54 | Rose Biagio | 12 | Daughter | — | Massachusetts |
| 55 | Angelina Biagio | 11 | Daughter | — | Massachusetts |
| 56 | Julia Biagio | 4 | Daughter | — | Massachusetts |
| 57 | Thomas J. Harvey | 55 | Head | Pensioned | Irish Free State |
| 58 | Annie S. Harvey | 53 | Wife | Housewife | Massachusetts |
| 59 | Katherine Harvey | 26 | Daughter | Stenographer | Massachusetts |
| 60 | Annie E. Harvey | 21 | Daughter | — | Massachusetts |
| 61 | Michael J. Harvey | 19 | Son | Unemployed | Massachusetts |
| 62 | Chester L. Perkins | 37 | Head | Salesman | Massachusetts |
| 63 | Alice G. Perkins | 37 | Wife | Homemaker | Massachusetts |
| 64 | Caroline Perkins | 17 | Daughter | — | Massachusetts |
| 65 | Robert E. Perkins | 15 | Son | — | Massachusetts |
| 66 | Donald J. Perkins | 12 | Son | — | Massachusetts |
| 67 | Philip Perkins | 7 | Son | — | Massachusetts |
| 68 | Dorothy Perkins | 5 | Daughter | — | Massachusetts |
| 69 | Anna Hoffman | 43 | Head | Cleaning | Irish Free State |
| 70 | Georgiana Hoffman | 17 | Daughter | Typist | Massachusetts |
| 71 | Edward Hoffman | 16 | Son | — | Massachusetts |
| 72 | Percy W. Brackett | 58 | Head | Laundry | Maine |
| 73 | Lilla P. Brackett | 50 | Wife | Home Maker | Maine |
| 74 | William J. Brackett | 15 | Son | — | Maine |
| 75 | Norman J. Brackett | 13 | Son | — | Maine |
| 76 | George Larrabee | 53 | Head | Salesman | Maine |
| 77 | Ruby Larrabee | 25 | Daughter | — | Massachusetts |
| 78 | Elizabeth Larrabee | 22 | Daughter | School Teacher | Massachusetts |
| 79 | Margaret Larrabee | 17 | Daughter | — | Massachusetts |
| 80 | Joseph Larrabee | 14 | Son | Painter | Massachusetts |
| 81 | John J. Madden | 57 | Head | Salesman | Massachusetts |
| 82 | Margaret Madden | 52 | Wife | Housewife | Massachusetts |
| 83 | Alice C. Madden | 28 | Daughter | Tele. Opr. | Massachusetts |
| 84 | Alice C. Madden | 26 | Daughter | Clerk | Massachusetts |
| 85 | John J. Madden THIS PERSON | 24 | Son | Unemployed | Massachusetts |
| 86 | Peter J. Madden | 22 | Son | Clerk | Massachusetts |
| 87 | Dorothy Madden | 20 | Daughter | Secretary | Massachusetts |
| 88 | Paul J. Madden | 18 | Son | — | Massachusetts |
| 89 | Edward J. Madden | 16 | Son | — | Massachusetts |
| 90 | Louise Madden | 13 | Daughter | — | Massachusetts |
| 91 | August Carmill | 30 | Head | Laborer | Italy |
| 92 | Dorothy Carmill | 22 | Wife | Homemaker | Italy |
| 93 | Doris Carmill | 4 | Daughter | — | Massachusetts |
| 94 | Ralph Carmill | 1 | Son | — | Massachusetts |
| 95 | Mark O'Brien | 60 | Head | Laborer | Irish Free State |
| 96 | Ellen O'Brien | 53 | Wife | Housewife | Irish Free State |
| 97 | James J. O'Brien | 28 | Son | Caddy | Massachusetts |
| 98 | Julia O'Brien | 25 | Daughter | Operator | Massachusetts |
| 99 | John O'Brien | 23 | Son | Garage | Massachusetts |
| 100 | Agnes O'Brien | 19 | Daughter | Secretary | Massachusetts |
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)