JM
John Madden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Madden across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 9-person household.
Age 37
b. ~1903
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Madden |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | plumber |
| Industry | own practice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Plumber |
| Township / Ward | Boston City |
| Est. Birth Year | ~1903 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Paul Madden | Son | — | 9 | ~1931 |
| Nancy Madden | Daughter | — | ~1940 | |
| Joan Madden | Daughter | — | 12 | ~1928 |
| David Madden | Son | — | 2 | ~1938 |
| Richard Madden | Son | — | 7 | ~1933 |
| Clara Madden | Spouse | — | 41 | ~1899 |
| John Madden | Son | — | 10 | ~1930 |
| John Madden | Head | — | 37 | ~1903 |
| Mary Madden | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Suffolk, Massachusetts
Head, age 27
Suffolk, Massachusetts · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | Ireland Free State |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 43 |
| Radio Set | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 37
Suffolk-County, Massachusetts · implied b. ~1903 — 9 household members
| Surname | Madden |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | plumber |
| Industry | own practice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 3 |
| 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.
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This person
Anchor record
John Madden
Head · 1940 · age 37 · b. ~1903 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01679-00730)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ludwig A. Brammer | 48 | Head | Carpenter | Germany |
| 2 | Louise M. Brammer | 50 | Wife | — | Massachusetts |
| 3 | Albert G. Brammer | 19 | Son | Salesman | Massachusetts |
| 4 | Frederick A. Brammer | 16 | Son | — | Massachusetts |
| 5 | Ernest E. Wessels | 38 | Head | Truck-Driver | Massachusetts |
| 6 | Elizabeth A. Wessels | 36 | Wife | — | Massachusetts |
| 7 | Dorothy E. Wessels | 17 | Daughter | — | Massachusetts |
| 8 | George P. Wessels | 15 | Son | — | Massachusetts |
| 9 | Anne M. Wessels | 12 | Daughter | — | Massachusetts |
| 10 | Elizabeth J. Wessels | 10 | Daughter | — | Massachusetts |
| 11 | Barbara E. Wessels | 7 | Daughter | — | Massachusetts |
| 12 | Patrick E. Holloran | 67 | Head | Court Officer | England |
| 13 | Ellen T. Holloran | 65 | Wife | — | Massachusetts |
| 14 | Donald A. Mcintyre | 32 | Head | Welder | Massachusetts |
| 15 | Rose S. Mcintyre | 26 | Wife | Stenographer | Rhode Island |
| 16 | Richard L. Healy | 31 | Head | Collector | Massachusetts |
| 17 | Naomi E. Healy | 29 | Wife | Stenographer | Massachusetts |
| 18 | John E. Legsdin | 55 | Head | Accountant | Latvia |
| 19 | Eva Legsdin | 48 | Wife | — | Latvia |
| 20 | Warren E. Legsdin | 18 | Son | — | Massachusetts |
| 21 | Walter E. Legsdin | 18 | Son | — | Massachusetts |
| 22 | Howard R. Liffle | 25 | Head | Library Attendant | Massachusetts |
| 23 | Sara H. Liffle | 52 | Mother | Maid | Massachusetts |
| 24 | John J. Madden THIS PERSON | 37 | Head | Plumber | Massachusetts |
| 25 | Clara B. Madden | 41 | Wife | — | Canada French |
| 26 | Mary Madden | 13 | Daughter | — | Massachusetts |
| 27 | Joan Madden | 12 | Daughter | — | Massachusetts |
| 28 | John Madden | 10 | Son | — | Massachusetts |
| 29 | Paul Madden | 9 | Son | — | Massachusetts |
| 30 | Richard Madden | 7 | Son | — | Massachusetts |
| 31 | David Madden | 2 | Son | — | Massachusetts |
| 32 | Nancy Madden | 0 | Daughter | — | Massachusetts |
| 33 | Charlotte E. Whyte | 62 | Head | Caretaker | Massachusetts |
| 34 | Robert G. Yidell | 26 | Head | Mechanic | Massachusetts |
| 35 | Margaret T. Yidell | 25 | Wife | — | Massachusetts |
| 36 | Robert G. Yidell | 0 | Son | — | Massachusetts |
| 37 | Marion A. Meares | 23 | Sister-in-law | Office Clerk | Massachusetts |
| 38 | Eli J. Maillet | 77 | Head | — | Canada French |
| 39 | Mary O. Maillet | 73 | Wife | — | Canada French |
| 40 | Frederick J. Gallagher | 45 | Head | Patrolman | Massachusetts |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)