MM
Mary Mccann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Forrest-County, Mississippi
Our Model Tree links this Mary Mccann across the 1930 and 1940 US Censuses in Forrest-County, Mississippi (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Forrest-County, Mississippi |
| Surname | McCann |
| Given Name | Mary Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Hattiesburg City |
| 1935 Residence (County) | Forrest |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Machine Operator |
| Township / Ward | Hattiesburg City |
| Est. Birth Year | ~1919 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mccann | Daughter | — | 13 | ~1927 |
| John Mccann | Head | — | 48 | ~1892 |
| Katie Mccann | Spouse | — | 49 | ~1891 |
| Gladys Mccann | Daughter | — | 9 | ~1931 |
| Robert Mccann | Son | — | 16 | ~1924 |
| Hugh Mccann | Son | — | 25 | ~1915 |
| Mary Mccann | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Forrest, Mississippi
Daughter, age 10
Forrest, Mississippi · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCann |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Forrest-County, Mississippi
Daughter, age 21
Forrest-County, Mississippi · implied b. ~1919 — 7 household members
| Surname | McCann |
| Given Name | Mary Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Hattiesburg City |
| 1935 Residence (County) | Forrest |
| Occupation | Machine Operator |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 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 21 · b. ~1919 · Mississippi
★ You are viewing this record
Sibling
Robert Mccann
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccann
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Mccann
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Mccann
Sibling · 1940 · age 25
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 — Forrest-County, Mississippi
Open full size
1940 US Federal Census — Forrest-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02021-00435)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Lena Koerner | 37 | Head | Waitress | Mississippi |
| 42 | H. F. Koerner | 42 | Husband | Truck Driver | Mississippi |
| 43 | Pat Benjamin Smith | 29 | Head | Car Repairer | Mississippi |
| 44 | Hattie Smith | 29 | Wife | — | Mississippi |
| 45 | Pansy Smith | 9 | Daughter | — | Mississippi |
| 46 | Willie R. Cook | 63 | Head | New Worker | Alabama |
| 47 | John Preston Mccann | 48 | Head | Machinist | Mississippi |
| 48 | Katie E. Mccann | 49 | Wife | — | Mississippi |
| 49 | Hugh Preston Mccann | 25 | Son | Wholesale Grocery Shipping Clerk | Mississippi |
| 50 | Mary Catherine Mccann THIS PERSON | 21 | Daughter | Machine Operator | Mississippi |
| 51 | Robert Reid Mccann | 16 | Son | — | Mississippi |
| 52 | Margaret Ann Mccann | 13 | Daughter | — | Mississippi |
| 53 | Gladys Marie Mccann | 9 | Daughter | — | Mississippi |
| 54 | J. C. Adams | 48 | Head | Locomotive Engineer | Mississippi |
| 55 | Ola Mae Adams | 48 | Wife | — | Mississippi |
| 56 | Arlene Combs | 25 | Daughter | — | Mississippi |
| 57 | A. J. Combs | 28 | Son-in-law | Truck Driver | Mississippi |
| 58 | Herbert Adams | 22 | Son | Chemist | Mississippi |
| 59 | Beverly Adams | 22 | Daughter-in-law | — | Oklahoma |
| 60 | R. L. Adams | 40 | Brother | Brakeman | Georgia |
| 61 | David Herbert Adams | 1 | Grand-son | — | Mississippi |
| 62 | Dewey Ward | 42 | Head | Foreman | Mississippi |
| 63 | Lillie Ward | 22 | Wife | Seamstress | North Carolina |
| 64 | Sarah Elizabeth Ward | 67 | Mother | — | Mississippi |
| 65 | Ethel Poole | 38 | Sister | — | Mississippi |
| 66 | N. L. Rayborn | 32 | Head | Water Boy | Mississippi |
| 67 | Mae Rayborn | 32 | Wife | — | Mississippi |
| 68 | Lonnie Lee Rayborn | 14 | Son | New Worker | Mississippi |
| 69 | Dorothy Dean Rayborn | 12 | Daughter | — | Mississippi |
| 70 | B'Leace Rayborn | 11 | Son | — | Mississippi |
| 71 | James Gene Rayborn | 8 | Son | — | Mississippi |
| 72 | Colon Stevenson | 58 | Head | Farmer | Mississippi |
| 73 | Salie Stevenson | 59 | Wife | — | Mississippi |
| 74 | Riley Stevenson | 18 | Son | New Worker | Mississippi |
| 75 | R. H. Waddell | 36 | Head | Teller | Mississippi |
| 76 | Juliet Waddell | 68 | Mother | — | Mississippi |
| 77 | E. M. Saba | 42 | Head | Proprietor | Syria |
| 78 | Louise Saba | 32 | Wife | Unpaid Helper | Mississippi |
| 79 | Mitchell Saba | 9 | Son | — | Mississippi |
| 80 | Robert Saba | 6 | Son | — | Mississippi |
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)