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John Mccann — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Mccann across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 11-person household.
Age 23
b. ~1907
Male
Son
Born: Scotland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | McCann |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Electrician |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Electrician |
| Township / Ward | Cambridge |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Hugh Mccann | Head | — | 47 | ~1883 |
| James Mccann | Son | — | 8 | ~1922 |
| Arthur Mccann | Son | — | 19 | ~1911 |
| Mary Mccann | Other | — | 46 | ~1884 |
| Mary Mccann | Daughter | — | 13 | ~1917 |
| William Mccann | Son | — | 3 | ~1927 |
| Daniel Mccann | Son | — | 17 | ~1913 |
| Catherine Mccann | Daughter | — | 5 | ~1925 |
| Hugh Mccann | Son | — | 11 | ~1919 |
| Henry Mccann | Son | — | 25 | ~1905 |
| John Mccann | Son | — | 23 | ~1907 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 23
Middlesex, Massachusetts · implied b. ~1907 — 11 household members
| Surname | McCann |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Electrician |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Middlesex-County, Massachusetts
Son, age 32
Middlesex-County, Massachusetts · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | carpenter |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 308 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 · 1930 · age 23 · b. ~1907 · Massachusetts
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Sibling
Catherine Mccann
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Mccann
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccann
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Mccann
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccann
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Mccann
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mccann
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Mccann
Sibling · 1930 · 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
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:1930:15thcensuspopula917unit:0376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Andrew Mcgrath | 31 | Head | Chauffeur | Massachusetts |
| 52 | Agnes Mcgrath | 29 | Wife-H | — | Massachusetts |
| 53 | Arthur Mcgrath | 1 | Son | — | Massachusetts |
| 54 | Patrick Powell | 53 | Head | Repairman | Irish Free State |
| 55 | Margaret Powell | 49 | Wife-H | — | Irish Free State |
| 56 | Mary Powell | 28 | Daughter | Operator | Massachusetts |
| 57 | John Powell | 18 | Son | — | Massachusetts |
| 58 | Ruth Powell | 16 | Daughter | — | Massachusetts |
| 59 | Margaret Powell | 14 | Daughter | — | Massachusetts |
| 60 | William Powell | 12 | Son | — | Massachusetts |
| 61 | Joseph Powell | 6 | Son | — | Massachusetts |
| 62 | James Bennett | 22 | Lodger | Helper | Irish Free State |
| 63 | Dennis Cahill | 45 | Head | Laborer | Irish Free State |
| 64 | Margaret Cahill | 40 | Wife-H | Laborer | Irish Free State |
| 65 | Timothy Cahill | 18 | Son | Laborer | Massachusetts |
| 66 | James J. Cahill | 13 | Son | — | Massachusetts |
| 67 | Bridget Mahoney | 67 | Head | — | Irish Free State |
| 68 | Charles J. Mahoney | 33 | Son | Mechanic | Massachusetts |
| 69 | Julia Mahoney | 26 | Daughter | Inspector | Massachusetts |
| 70 | Susan Mahoney | 24 | Daughter | Laborer | Massachusetts |
| 71 | Thomas Mahoney | 21 | Son | Laborer | Massachusetts |
| 72 | Catherine Mahoney | 19 | Daughter | — | Massachusetts |
| 73 | Mary Fitzpatrick | 57 | Head | — | Irish Free State |
| 74 | Margaret Fitzpatrick | 33 | Daughter | Operator | Massachusetts |
| 75 | Agnes Fitzpatrick | 31 | Daughter | Operator | Massachusetts |
| 76 | Edward Fitzpatrick | 28 | Son | Chauffeur | Massachusetts |
| 77 | Mary Fitzpatrick | 24 | Daughter | Examiner | Massachusetts |
| 78 | Louise Fitzpatrick | 21 | Daughter | Agent | Massachusetts |
| 79 | Evelyn Fitzpatrick | 19 | Daughter | — | Massachusetts |
| 80 | Dorothy Fitzpatrick | 15 | Daughter | Operator | Massachusetts |
| 81 | James J. Shea | 46 | Head | Tailor | Irish Free State |
| 82 | Hannah Shea | 42 | Wife-H | — | Irish Free State |
| 83 | Paula Shea | 9 | Daughter | — | Massachusetts |
| 84 | Mabel Shea | 8 | Daughter | — | Massachusetts |
| 85 | Kathleen Shea | 6 | Daughter | — | Massachusetts |
| 86 | John Shea | 4 | Son | — | Massachusetts |
| 87 | Robert S. Shea | 1 | Son | — | Massachusetts |
| 88 | Humphrey Murphy | 70 | Head | — | Irish Free State |
| 89 | Margaret Murphy | 65 | Wife-H | — | Irish Free State |
| 90 | Hugh Mccann | 47 | Head | Inspector | Scotland |
| 91 | Mary Mccann | 46 | Wife-H | — | Scotland |
| 92 | Henry B. Mccann | 25 | Son | Laborer | Scotland |
| 93 | John P. Mccann THIS PERSON | 23 | Son | Electrician | Scotland |
| 94 | Arthur Mccann | 19 | Son | Clerk | Scotland |
| 95 | Daniel J. Mccann | 17 | Son | — | Scotland |
| 96 | Mary J. Mccann | 13 | Daughter | — | Scotland |
| 97 | Hugh Mccann | 11 | Son | — | Scotland |
| 98 | James Mccann | 8 | Son | — | Scotland |
| 99 | Catherine Mccann | 5 | Daughter | — | Scotland |
| 100 | William Mccann | 3 | Son | — | Scotland |
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)