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John Mccann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Mccann across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mccann | Son | — | 15 | ~1925 |
| James Mccann | Head | — | 64 | ~1876 |
| Joseph Mccann | Son | — | 11 | ~1929 |
| Katharine Mccann | Spouse | — | 50 | ~1890 |
| Harold Mccann | Son | — | 13 | ~1927 |
| Margaret Mccann | Daughter | — | 19 | ~1921 |
| Josephine Mccann | Daughter | — | 18 | ~1922 |
| Katharine Mccann | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCANN |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | No |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 15
Suffolk-County, Massachusetts · implied b. ~1925 — 8 household members
| Surname | McCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Hours Worked | 0 |
| Highest Grade | H-1 |
| 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 Mccann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mccann
Son · 1940 · age 15 · b. ~1925 · Massachusetts
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Sibling
Josephine Mccann
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Mccann
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katharine Mccann
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mccann
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccann
Sibling · 1940 · age 19
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-t0627-01680-00809)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Mary Strickland | 56 | Wife | — | England |
| 42 | Mario Brody | 62 | Head | — | Canada |
| 43 | Hazel Brody | 31 | Daughter | Teacher | Massachusetts |
| 44 | Amelia Scott | 51 | Head | — | Massachusetts |
| 45 | Isabelle Scott | 52 | Daughter | Clerk | Massachusetts |
| 46 | Margaret Scott | 48 | Daughter | — | Massachusetts |
| 47 | Jennie Bingham | 60 | Head | Tutor | Ohio |
| 48 | Alfred Bingham | 31 | Son | Foreman | Massachusetts |
| 49 | Franz Bingham | 27 | Son | Sculptor | Massachusetts |
| 50 | Sarah Lunnin | 61 | Head | Organist | Massachusetts |
| 51 | Sarah Lunnin | 32 | Daughter | Teacher | Massachusetts |
| 52 | Mary Lunnin | 22 | Daughter | — | Massachusetts |
| 53 | Donald Mcnevin | 70 | Head | — | Scotland |
| 54 | Elizabeth Mcnevin | 69 | Wife | — | Scotland |
| 55 | Dora Yellowhille | 52 | Sister-in-law | Secretary | Scotland |
| 56 | Earl C. Pifford | 55 | Head | Merchant | Vermont |
| 57 | Nina H. Pifford | 54 | Wife | — | Massachusetts |
| 58 | Roger S. Pifford | 14 | Son | — | Massachusetts |
| 59 | Andrew Gravelese | 35 | Head | Salesman | Massachusetts |
| 60 | Joanne Gravelese | 35 | Wife | — | Massachusetts |
| 61 | Joanne Gravelese | 6 | Daughter | — | Massachusetts |
| 62 | Frances Gravelese | 1 | Daughter | — | Massachusetts |
| 63 | James Mccann | 64 | Head | Car Inspector | Ireland |
| 64 | Katharine Mccann | 50 | Wife | — | Ireland |
| 65 | Katharine Mccann | 21 | Daughter | Nurse Dietitian | Massachusetts |
| 66 | Margaret Mccann | 19 | Daughter | Elevator Operator | Massachusetts |
| 67 | Josephine Mccann | 18 | Daughter | Nurse Dietitian | Massachusetts |
| 68 | John Mccann THIS PERSON | 15 | Son | — | Massachusetts |
| 69 | Harold Mccann | 13 | Son | — | Massachusetts |
| 70 | Joseph Mccann | 11 | Son | — | Massachusetts |
| 71 | James F. Sullivan | 36 | Head | Lawyer | Massachusetts |
| 72 | Dorothy D. Sullivan | 35 | Wife | — | Massachusetts |
| 73 | Dorothy K. Sullivan | 6 | Daughter | — | Massachusetts |
| 74 | James F. Jr. Sullivan | 4 | Son | — | Massachusetts |
| 75 | Stephen Driney | 28 | Head | Clerk | Massachusetts |
| 76 | Alice B. Driney | 28 | Wife | Clerk | Massachusetts |
| 77 | Alice Ingersoll | 52 | Mother-in-law | — | Massachusetts |
| 78 | Adelaide Hunnifeld | 36 | Maid | Maid | Massachusetts |
| 79 | Charles Mucken | 70 | Head | — | Massachusetts |
| 80 | Alice M. Mucken | 67 | Wife | — | England |
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)