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John Mccann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Mississippi
Our Model Tree links this John Mccann across the 1930 and 1940 US Censuses in Harrison-County, Mississippi (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Mississippi |
| Surname | McCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Gulfport City |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Gulfport City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Charles Mccann | Son | — | 7 | ~1933 |
| Mary Mccann | Daughter | — | 11 | ~1929 |
| Edward Mccann | Son | — | 23 | ~1917 |
| James Mccann | Head | — | 52 | ~1888 |
| Ella Mccann | Spouse | — | 42 | ~1898 |
| James Mccann | Son | — | 17 | ~1923 |
| John Mccann | Son | — | 14 | ~1926 |
Census Appearances
1930
Harrison, Mississippi
Son, age 5
Harrison, Mississippi · implied b. ~1925 — 3 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 | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Harrison-County, Mississippi
Son, age 14
Harrison-County, Mississippi · implied b. ~1926 — 7 household members
| Surname | McCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Gulfport City |
| 1935 Residence (County) | Harrison |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 14 · b. ~1926 · Mississippi
★ You are viewing this record
Sibling
Charles Mccann
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mccann
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mccann
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccann
Sibling · 1940 · age 17
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 — Harrison-County, Mississippi
Open full size
1940 US Federal Census — Harrison-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02025-00425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cora Garden | 58 | Mother | — | Mississippi |
| 2 | Eleanor Garner | 18 | Sister | Presser | Mississippi |
| 3 | Dillard Garner | 21 | Brother | Laborer | Mississippi |
| 4 | Pat H. Marden | 27 | Head | Laborer | Mississippi |
| 5 | Kathryn Marden | 27 | Wife | Presser | Mississippi |
| 6 | Olga Joyce Marden | 5 | Daughter | — | Mississippi |
| 7 | Atlas Ray Marden | 2 | Son | — | Mississippi |
| 8 | Ernest Favre | 48 | Head | Truck Driver | Louisiana |
| 9 | Winona Favre | 43 | Wife | — | Mississippi |
| 10 | Rita Eugenia Favre | 24 | Daughter | Seamstress | Mississippi |
| 11 | Alvin Ernest Favre | 22 | Son | Manager | Mississippi |
| 12 | Ervin Favre | 19 | Son | — | Mississippi |
| 13 | Audrey Bernice Favre | 17 | Daughter | — | Mississippi |
| 14 | Vivian Favre | 16 | Daughter | — | Mississippi |
| 15 | Milton Keene Favre | 8 | Son | — | Mississippi |
| 16 | Bobby Charles Favre | 5 | Son | — | Mississippi |
| 17 | Gordon H. Mourning | 24 | Head | Truck Driver | Mississippi |
| 18 | Henrietta Mourning | 21 | Wife | — | Mississippi |
| 19 | Claudette Mourning | 3 | Daughter | — | Mississippi |
| 20 | Benny Richard Mourning | 1 | Son | — | Mississippi |
| 21 | George Ainsworth | 52 | Head | Pile Driver Operator | Mississippi |
| 22 | Ida Pearl Ainsworth | 29 | Wife | — | Mississippi |
| 23 | William Robert Ainsworth | 16 | Son | — | Mississippi |
| 24 | Cora Florence Ainsworth | 14 | Daughter | — | Mississippi |
| 25 | George Paul Ainsworth | 11 | Son | — | Mississippi |
| 26 | Ida Lee Ainsworth | 10 | Daughter | — | Mississippi |
| 27 | Maggie Murph Ainsworth | 6 | Daughter | — | Mississippi |
| 28 | Daniel Mccarthy | 19 | Nephew | Truck Driver | Mississippi |
| 29 | John L. Carvin | 47 | Head | Carpenter | Mississippi |
| 30 | Lena Carvin | 47 | Wife | — | Mississippi |
| 31 | Wilbur Carvin | 17 | Son | Laborer | Mississippi |
| 32 | Marylyn J. Carvin | 5 | Daughter | — | Mississippi |
| 33 | James Mccann | 52 | Head | Carpenter | Mississippi |
| 34 | Ella Mccann | 42 | Wife | Seamstress | Mississippi |
| 35 | Edward Mccann | 23 | Son | Truck Driver | Mississippi |
| 36 | James Dean Mccann | 17 | Son | — | Mississippi |
| 37 | John Mccann THIS PERSON | 14 | Son | — | Mississippi |
| 38 | Mary Mccann | 11 | Daughter | — | Mississippi |
| 39 | Charles Mccann | 7 | Son | — | Mississippi |
| 40 | Nathan G. Welch | 63 | Head | Carpenter Contractor | Ohio |
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)