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Mary Mccann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Genesee-County, Michigan
Our Model Tree links this Mary Mccann across the 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Genesee-County, Michigan |
| Surname | McCann |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Flint city |
| 1935 Residence (County) | Genesee |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Flint 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rose Mccann | Daughter | — | 7 | ~1933 |
| Bernice Mccann | Spouse | — | 36 | ~1904 |
| Edward Mccann | Son | — | 17 | ~1923 |
| Mary Mccann | Daughter | — | 14 | ~1926 |
| Charles Gorton | Other | — | 68 | ~1872 |
| Francis Mccann | Head | — | 40 | ~1900 |
| Frank Mccann | Son | — | 12 | ~1928 |
| James Mccann | Son | — | 9 | ~1931 |
Census Appearances
1930
Genesee, Michigan
Daughter, age 4
Genesee, Michigan · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCann |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Genesee-County, Michigan
Daughter, age 14
Genesee-County, Michigan · implied b. ~1926 — 8 household members
| Surname | McCann |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Flint city |
| 1935 Residence (County) | Genesee |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Mary Mccann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccann
Daughter · 1940 · age 14 · b. ~1926 · Michigan
★ You are viewing this record
Sibling
James Mccann
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Mccann
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mccann
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward 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 — Genesee-County, Michigan
Open full size
1940 US Federal Census — Genesee-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01893-00467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Darlene L Lloyd | 9 | Daughter | — | Nebraska |
| 2 | Benjamin J Thomas | 43 | Head | Tool Maker | Ohio |
| 3 | Helen O Thomas | 42 | Wife | — | Ohio |
| 4 | James B Mead | 44 | Lodger | Labor | Ohio |
| 5 | Elizabeth Hart | 60 | Head | — | Canada |
| 6 | Francis H Mccann | 40 | Head | Druggist | Indiana |
| 7 | Bernice Mccann | 36 | Wife | — | Michigan |
| 8 | Edward J Mccann | 17 | Son | — | Michigan |
| 9 | Mary H Mccann THIS PERSON | 14 | Daughter | — | Michigan |
| 10 | Frank H Mccann | 12 | Son | — | Michigan |
| 11 | James L Mccann | 9 | Son | — | Michigan |
| 12 | Rose M Mccann | 7 | Daughter | — | Michigan |
| 13 | Charles R Gorton | 68 | Father in law | — | Michigan |
| 14 | Bernard E King | 33 | Head | Labor | Wisconsin |
| 15 | Vesta A King | 39 | Wife | — | Texas |
| 16 | Extra Rine King | 1 | Daughter | — | Michigan |
| 17 | Charles C Darland | 63 | Head | — | Michigan |
| 18 | Adelia E Darland | 57 | Wife | — | Michigan |
| 19 | Charles F Darland | 26 | Son | Welder | Michigan |
| 20 | Clarence G Darland | 24 | Son | Labor | Michigan |
| 21 | Helen M Darland | 20 | Daughter in law | Waitress | Michigan |
| 22 | Fred Carlson | 54 | Lodger | Labor | Michigan |
| 23 | Alfred N Olson | 50 | Lodger | Labor | Michigan |
| 24 | Charles W Cameron | 71 | Head | Labor | Michigan |
| 25 | Emma M Cameron | 54 | Wife | — | Michigan |
| 26 | Ace J Cameron | 18 | Son | Labor | Michigan |
| 27 | Donald Cameron | 13 | Son | — | Michigan |
| 28 | Robert N Metcalf | 60 | Head | Labor | Michigan |
| 29 | Eva Metcalf | 59 | Wife | — | Michigan |
| 30 | Frank Heidtman | 55 | Lodger | Labor | Germany |
| 31 | Maurice G Seavey | 48 | Lodger | Labor | Maine |
| 32 | Harry R Smith | 30 | Head | Manager | Michigan |
| 33 | Verna A Smith | 31 | Wife | Clerk | Canada |
| 34 | Earlyn Latham | 5 | Daughter | — | Missouri |
| 35 | Albert H Smith | 54 | Father | Labor | Missouri |
| 36 | Arvilla Smith | 53 | Mother in law | — | Missouri |
| 37 | Rex Smith | 29 | Brother | Labor | Missouri |
| 38 | Dayton Latham | 26 | Cousin | Waitress | Missouri |
| 39 | Clarence Dinsmore | 51 | Head | Die Maker | Indiana |
| 40 | Clara H Dinsmore | 43 | Wife | — | Pennsylvania |
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)