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John Mccann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Mccann across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | McCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Scourer |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 102 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Scourer |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1922 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mccann | Son | — | 18 | ~1922 |
| Frank Mccann | Son | — | 20 | ~1920 |
| Arthur Mccann | Son | — | 23 | ~1917 |
| Alexander Mccann | Head | — | 59 | ~1881 |
| William Mccann | Son | — | 15 | ~1925 |
| Claire Mccann | Daughter | — | 11 | ~1929 |
| Gertrude Mccann | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Essex, Massachusetts
Son, age 8
Essex, Massachusetts · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 18
Essex-County, Massachusetts · implied b. ~1922 — 7 household members
| Surname | McCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Occupation | Scourer |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 102 |
| Highest Grade | Hs 4 |
| 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 18 · b. ~1922 · Massachusetts
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Sibling
William Mccann
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Mccann
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Mccann
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Mccann
Sibling · 1940 · age 23
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01583-00728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred T. Smith | 71 | Head | No | Lawrence, Mass |
| 42 | Francis A. Smith | 71 | Wife | No | England |
| 43 | Samuel E. Smith | 63 | Head | Mill-Hand | Massachusetts |
| 44 | Emma Smith | 57 | Wife | No | Massachusetts |
| 45 | Irene Smith | 33 | Daughter | Secretary | Massachusetts |
| 46 | Edward J. Mcavoy | 38 | Head | Second Hand | Massachusetts |
| 47 | Rita C. Mcavoy | 24 | Wife | No | Massachusetts |
| 48 | Donald E. Mcavoy | 4 | Daughter | — | Massachusetts |
| 49 | Edward J. Jr. Mcavoy | 2 | Daughter | — | Massachusetts |
| 50 | Alexander Mccann | 59 | Head | Janitor | England |
| 51 | Gertrude B. Mccann | 49 | Wife | No | Massachusetts |
| 52 | Arthur Mccann | 23 | Son | Cleaning City Reservoir | Massachusetts |
| 53 | Frank Mccann | 20 | Son | Creeler | Massachusetts |
| 54 | John Mccann THIS PERSON | 18 | Son | Scourer | Massachusetts |
| 55 | William Mccann | 15 | Son | — | Massachusetts |
| 56 | Claire Mccann | 11 | Daughter | — | Massachusetts |
| 57 | John F. Havey | 64 | Head | Watchman | Massachusetts |
| 58 | Delia A. Havey | 65 | Wife | No | Irish Free State |
| 59 | Elizabeth Havey | 28 | Daughter | Bookkeeper | Massachusetts |
| 60 | William D. Dudley | 46 | Head | Linotype Operator | Massachusetts |
| 61 | Edna M. Dudley | 42 | Wife | No | Canada French |
| 62 | Donald R. Dudley | 19 | Son | Running Boy | Massachusetts |
| 63 | William J. Dudley | 18 | Son | Errand Boy | Massachusetts |
| 64 | Eugene C. Dudley | 17 | Son | Errand Boy | Massachusetts |
| 65 | Matilda E. Dudley | 16 | Daughter | No | Massachusetts |
| 66 | Albert E. Dudley | 14 | Son | No | Massachusetts |
| 67 | Elizabeth M. Dudley | 13 | Daughter | — | Massachusetts |
| 68 | Frank J. Dudley | 12 | Son | — | Massachusetts |
| 69 | Edward J. Dudley | 9 | Son | — | Massachusetts |
| 70 | Marion E. Dudley | 3 | Daughter | — | Massachusetts |
| 71 | Nellie Mundry | 49 | Head | No | Ireland |
| 72 | Mary Mundry | 22 | Daughter | Spinner | Massachusetts |
| 73 | Anna Mundry | 20 | Daughter | Lopper | Massachusetts |
| 74 | Chester Mundry | 16 | Son | Office Boy | Massachusetts |
| 75 | Edward Mundry | 14 | Son | No | Massachusetts |
| 76 | John Mundry | 12 | Son | — | Massachusetts |
| 77 | Joseph Mundry | 29 | Son | Fixer | Massachusetts |
| 78 | Cecile Mundry | 7 | Grand Daughter | — | Massachusetts |
| 79 | Rita Spatola | 24 | Daughter | Comb Cutter | Massachusetts |
| 80 | Robert Spatola | 2 | Grand Son | — | 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)