WM
William Madden — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this William Madden across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 9-person household.
Age 23
b. ~1907
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Madden |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1907 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Edward Madden | Head | — | 58 | ~1872 |
| Gertrude Madden | Other | — | 21 | ~1909 |
| Mary Madden | Daughter | — | 9 | ~1921 |
| Eileen Madden | Daughter | — | 22 | ~1908 |
| Mary Madden | Spouse | — | 57 | ~1873 |
| Edward Madden | Son | — | 1 | ~1929 |
| William Madden | Son | — | 23 | ~1907 |
| John Madden | Son | — | 25 | ~1905 |
| Edward Madden | Son | — | 11 | ~1919 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 23
Middlesex, Massachusetts · implied b. ~1907 — 9 household members
| Surname | Madden |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Insurance |
| 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 William Madden across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
William Madden
Son · 1930 · age 23 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Edward Madden
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Madden
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Madden
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Madden
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Madden
Sibling · 1930 · age 22
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:massachusettscensus00reel916:1043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Reilly Ryder | 55 | Mother-in-law | — | Canada-Eng |
| 52 | George Dunton | 40 | Head | Salesman | Maine |
| 53 | Mary Dunton | 40 | Wife | — | Maine |
| 54 | Peter Reid | 33 | Head | Auto Mechanic | New York |
| 55 | Anna Reid | 31 | Wife | — | New York |
| 56 | Peter Reid | 1 | Son | — | New York |
| 57 | Edward J. Madden | 58 | Head | Principal | Massachusetts |
| 58 | Mary A. Madden | 57 | Wife | — | Massachusetts |
| 59 | Eileen F. Madden | 22 | Daughter | — | Massachusetts |
| 60 | Edward J. Madden | 11 | Son | — | Massachusetts |
| 61 | Mary Madden | 9 | Daughter | — | Massachusetts |
| 62 | John Madden | 25 | Son | Clerk | Massachusetts |
| 63 | William Madden THIS PERSON | 23 | Son | Clerk | Massachusetts |
| 64 | Gertrude F. Madden | 21 | Wife-L | — | Massachusetts |
| 65 | Edward M. Madden | 1 | Son | — | Massachusetts |
| 66 | George Scruton | 50 | Head | Waiter | Rhode Island |
| 67 | Mary Scruton | 46 | Wife | — | Massachusetts |
| 68 | Louis Scruton | 21 | Son | — | Massachusetts |
| 69 | George Scruton | 10 | Son | — | Massachusetts |
| 70 | Mary Scruton | 8 | Daughter | — | Massachusetts |
| 71 | Thomas Magee | 45 | Head | Clerk | Maine |
| 72 | Nora J. Magee | 39 | Wife | — | Massachusetts |
| 73 | Thomas Magee | 15 | Son | — | Massachusetts |
| 74 | John Magee | 14 | Son | — | Massachusetts |
| 75 | Robert Magee | 7 | Son | — | Massachusetts |
| 76 | Joseph Magee | 5 | Son | — | Massachusetts |
| 77 | Mary Magee | 3 | Daughter | — | Massachusetts |
| 78 | William Magee | 1 | Son | — | Massachusetts |
| 79 | John Magee | 41 | Head | Clerk | Massachusetts |
| 80 | Mary Magee | 39 | Wife | — | Massachusetts |
| 81 | John Magee | 18 | Son | — | Massachusetts |
| 82 | Mary Magee | 16 | Daughter | — | Massachusetts |
| 83 | Rita Magee | 14 | Daughter | — | Massachusetts |
| 84 | Helen Magee | 12 | Daughter | — | Massachusetts |
| 85 | Patrick King | 60 | Head | Policeman | Irish Free State |
| 86 | Mary King | 58 | Wife | — | Irish Free State |
| 87 | Patrick King | 21 | Son | — | Massachusetts |
| 88 | Mary King | 18 | Daughter | — | Massachusetts |
| 89 | John King | 16 | Son | — | Massachusetts |
| 90 | Helen King | 14 | Daughter | — | Massachusetts |
| 91 | James King | 12 | Son | — | Massachusetts |
| 92 | John King | 45 | Head | — | Canada-Eng |
| 93 | Mary King | 43 | Wife | — | Canada-Eng |
| 94 | John King | 19 | Son | — | Canada-Eng |
| 95 | Mary King | 17 | Daughter | — | Canada-Eng |
| 96 | Rita King | 15 | Daughter | — | Canada-Eng |
| 97 | James King | 13 | Son | — | Canada-Eng |
| 98 | Charles Black | 35 | Head | Salesman | Massachusetts |
| 99 | Alice Black | 34 | Wife | — | Massachusetts |
| 100 | Charles Black | 10 | Son | — | 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)