JM
James Madden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Madden across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Madden |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | Yes 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1926 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Sarah Madden | Spouse | — | 46 | ~1894 |
| Thomas Madden | Son | — | 25 | ~1915 |
| Mary Madden | Daughter | — | 5 | ~1935 |
| Nora Madden | Daughter | — | 15 | ~1925 |
| Ethel Madden | Daughter | — | 10 | ~1930 |
| John Madden | Head | — | 48 | ~1892 |
| John Madden | Son | — | 23 | ~1917 |
| James Madden | Son | — | 14 | ~1926 |
| Alice Madden | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 14
Suffolk-County, Massachusetts · implied b. ~1926 — 9 household members
| Surname | Madden |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Highest Grade | Yes 6 |
| 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 James Madden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Madden
Son · 1940 · age 14 · b. ~1926 · Massachusetts
★ You are viewing this record
Sibling
Thomas Madden
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Madden
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Madden
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Madden
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Madden
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Madden
Sibling · 1940 · age 5
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
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-t0627-01659-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Harrington | 66 | Brother | — | Massachusetts |
| 42 | Josephine Harrington | 56 | Sister | — | Massachusetts |
| 43 | Ellen Shea | 45 | Sister | — | Massachusetts |
| 44 | Paul Shea | 12 | Nephew | — | Massachusetts |
| 45 | Mary Babcock | 56 | Head | — | Canada Eng |
| 46 | Ethel Boles | 16 | Grandchild | — | Massachusetts |
| 47 | Julia Vornichuk | 40 | Head | — | Massachusetts |
| 48 | John Mcgrath | 22 | Son | Labourer | Massachusetts |
| 49 | Gerald Mcgrath | 13 | Son | — | Massachusetts |
| 50 | Stephen Vornichuk | 10 | Son | — | Massachusetts |
| 51 | Daniel Kiley | 74 | Head | — | Eire |
| 52 | James Narkin | 39 | Head | Truck Driver | Massachusetts |
| 53 | Mary Narkin | 36 | Wife | — | Massachusetts |
| 54 | James Narkin | 15 | Son | — | Massachusetts |
| 55 | Alice Narkin | 9 | Daughter | — | Massachusetts |
| 56 | Joseph Narkin | 6 | Son | — | Massachusetts |
| 57 | Alexander Smith | 31 | Head | Meter Tester | England |
| 58 | Dorothy Smith | 28 | Wife | — | Massachusetts |
| 59 | David Smith | 4 | Son | — | Massachusetts |
| 60 | Sandra Smith | 0 | Daughter | — | Massachusetts |
| 61 | Walter Barringer | 34 | Head | Iron Worker | Massachusetts |
| 62 | Helen Barringer | 27 | Wife | — | Massachusetts |
| 63 | Walter Barringer | 9 | Son | — | Massachusetts |
| 64 | Robert Barringer | 7 | Son | — | Massachusetts |
| 65 | Helen Barringer | 5 | Daughter | — | Massachusetts |
| 66 | Richard Barringer | 2 | Son | — | Massachusetts |
| 67 | Rita Barringer | 0 | Daughter | — | Massachusetts |
| 68 | Antonio Silva | 63 | Head | Sanitary Inspector | Portugal |
| 69 | Marion Silva | 34 | Daughter | — | Massachusetts |
| 70 | Rita Byron | 23 | Daughter | — | Massachusetts |
| 71 | Michael Byron | 34 | Son-in-law | Elevator Operator | Massachusetts |
| 72 | John Madden | 48 | Head | Steam Fitter | Massachusetts |
| 73 | Sarah Madden | 46 | Wife | — | Massachusetts |
| 74 | Thomas Madden | 25 | Son | Ships Helper | Massachusetts |
| 75 | John Madden | 23 | Son | Chauffeur | Massachusetts |
| 76 | Alice Madden | 22 | Daughter | Packer | Massachusetts |
| 77 | Nora Madden | 15 | Daughter | — | Massachusetts |
| 78 | James Madden THIS PERSON | 14 | Son | — | Massachusetts |
| 79 | Ethel Madden | 10 | Daughter | — | Massachusetts |
| 80 | Mary Madden | 5 | Daughter | — | Massachusetts |
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)