JM
John Madden — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this John Madden across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 28-person household.
Age 13
b. ~1917
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Madden |
| Given Name | John J Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Winthrop Town |
| Est. Birth Year | ~1917 |
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.
28 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Francis Madden | Son | — | 5 | ~1925 |
| Agnes Madden | Other | — | 32 | ~1898 |
| John Madden | Other | — | 12 | ~1918 |
| Paul Madden | Son | — | 3 | ~1927 |
| John Madden | Son | — | 13 | ~1917 |
| Robert Madden | Son | — | 9 | ~1921 |
| Mary Madden | Spouse | — | 36 | ~1894 |
| Richard Madden | Son | — | 1 | ~1929 |
| William Madden | Other | — | 30 | ~1900 |
| Elizabeth Madden | Other | — | 34 | ~1896 |
| Raymond Madden | Other | — | 8 | ~1922 |
| Rita Madden | Other | — | 14 | ~1916 |
| Mary Madden | Daughter | — | 11 | ~1919 |
| Paul Madden | Other | — | 4 | ~1926 |
| William Madden | Son | — | 7 | ~1923 |
| Margaret Madden | Other | — | 38 | ~1892 |
| Francis Madden | Other | — | 6 | ~1924 |
| John Madden | Head | — | 36 | ~1894 |
| Leo Madden | Other | — | 16 | ~1914 |
| Sylvester Madden | Other | — | 27 | ~1903 |
| Catherine Madden | Other | — | 40 | ~1890 |
| Marie Madden | Other | — | 20 | ~1910 |
| Catherine Madden | Other | — | 68 | ~1862 |
| Helen Madden | Other | — | 10 | ~1920 |
| Edward Madden | Other | — | 22 | ~1908 |
| Alice Madden | Other | — | 18 | ~1912 |
| Joseph Madden | Other | — | 25 | ~1905 |
| Richard Madden | Other | — | 2 | ~1928 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 13
Suffolk, Massachusetts · implied b. ~1917 — 28 household members
| Surname | Madden |
| Given Name | John J Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Laborer |
| Industry | Park Department |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 736 |
| Highest Grade | No 8 |
| 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 Madden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Madden
Son · 1930 · age 13 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Mary Madden
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Madden
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Madden
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Madden
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Madden
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Madden
Sibling · 1930 · age 1
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:massachusettscensus00reel961:0523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J Madden | 36 | Head | — | Massachusetts |
| 2 | Mary E Madden | 36 | Wife | — | Massachusetts |
| 3 | John J Jr Madden THIS PERSON | 13 | Son | — | Massachusetts |
| 4 | Mary E Madden | 11 | Daughter | — | Massachusetts |
| 5 | Robert J Madden | 9 | Son | — | Massachusetts |
| 6 | William J Madden | 7 | Son | — | Massachusetts |
| 7 | Francis J Madden | 5 | Son | — | Massachusetts |
| 8 | Paul J Madden | 3 | Son | — | Massachusetts |
| 9 | Richard J Madden | 1 | Son | — | Massachusetts |
| 10 | Catherine Madden | 68 | Mother | — | England |
| 11 | Catherine Madden | 40 | Sister | — | Massachusetts |
| 12 | Margaret Madden | 38 | Sister | — | Massachusetts |
| 13 | Elizabeth Madden | 34 | Sister | — | Massachusetts |
| 14 | Agnes Madden | 32 | Sister | — | Massachusetts |
| 15 | William Madden | 30 | Brother | Motor Man | Massachusetts |
| 16 | Sylvester Madden | 27 | Brother | Clerk | Massachusetts |
| 17 | Joseph Madden | 25 | Brother | — | Massachusetts |
| 18 | Edward Madden | 22 | Brother | — | Massachusetts |
| 19 | Marie Madden | 20 | Sister | Stenographer | Massachusetts |
| 20 | Alice Madden | 18 | Sister | — | Massachusetts |
| 21 | Leo Madden | 16 | Brother | — | Massachusetts |
| 22 | Rita Madden | 14 | Sister | — | Massachusetts |
| 23 | John Madden | 12 | Brother | — | Massachusetts |
| 24 | Helen Madden | 10 | Sister | — | Massachusetts |
| 25 | Raymond Madden | 8 | Brother | — | Massachusetts |
| 26 | Francis Madden | 6 | Brother | — | Massachusetts |
| 27 | Paul Madden | 4 | Brother | — | Massachusetts |
| 28 | Richard Madden | 2 | Brother | — | Massachusetts |
| 29 | Oscar Peterson | 62 | Head | Instructor | Sweden |
| 30 | Elizabeth Peterson | 55 | Wife | — | New Jersey |
| 31 | Oscar Jr Peterson | 23 | Son | Bookkeeper | Massachusetts |
| 32 | Arthur Peterson | 20 | Son | Stenographer | Massachusetts |
| 33 | Ruth Peterson | 18 | Daughter | — | Massachusetts |
| 34 | Carl Peterson | 15 | Son | — | Massachusetts |
| 35 | Helen Peterson | 12 | Daughter | — | Massachusetts |
| 36 | Alice Peterson | 10 | Daughter | — | Massachusetts |
| 37 | Robert Peterson | 8 | Son | — | Massachusetts |
| 38 | Edward Peterson | 5 | Son | — | Massachusetts |
| 39 | Richard Peterson | 2 | Son | — | Massachusetts |
| 40 | Andrew N Floren | 62 | Head | President | Sweden |
| 41 | Mabel S Floren | 53 | Wife | — | Maine |
| 42 | James J Conroy | 44 | Head | Sergeant | Massachusetts |
| 43 | Alice M Conroy | 42 | Wife | — | Massachusetts |
| 44 | James G Asencio | 48 | Head | Collector | Massachusetts |
| 45 | Mary E Asencio | 46 | Wife | — | England |
| 46 | James G Jr Asencio | 11 | Son | — | Massachusetts |
| 47 | Louis F Asencio | 10 | Son | — | Massachusetts |
| 48 | Alice Nelson | 76 | Mother-in-law | — | England |
| 49 | John Camerino | 38 | Head | Salesman | Italy |
| 50 | Gertrude Camerino | 38 | Wife | — | Italy |
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)