MC
Mary Cobb — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Madison, Alabama
Our Model Tree links this Mary Cobb across the 1910 and 1920 US Censuses in Madison, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 12-person household.
Age 12
b. ~1908
Female
Daughter
Born: Alabama
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Madison, Alabama |
| Surname | Cobb |
| Given Name | Mary D |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Owens X Roads Precinct 19 |
| Est. Birth Year | ~1908 |
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.
12 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Olie Cobb | Son | — | 14 | ~1906 |
| Odis Cobb | Son | — | 18 | ~1902 |
| Carlie Cobb | Other | — | 4 | ~1916 |
| George Cobb | Head | — | 48 | ~1872 |
| Clercia Cobb | Other | — | 1 | ~1919 |
| John Cobb | Other | — | 30 | ~1890 |
| Annie Cobb | Spouse | — | 46 | ~1874 |
| Effie Cobb | Daughter | — | 23 | ~1897 |
| Mary Cobb | Daughter | — | 12 | ~1908 |
| Jessie Cobb | Son | — | 5 | ~1915 |
| Johnie Cobb | Daughter | — | 8 | ~1912 |
| Inez Cobb | Other | — | 6 | ~1914 |
Census Appearances
1910
Madison, Alabama
Daughter, age 2
Madison, Alabama · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | Mary D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Madison, Alabama
Daughter, age 12
Madison, Alabama · implied b. ~1908 — 12 household members
| Surname | Cobb |
| Given Name | Mary D |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Cobb across 2 US Census years (1910 and 1920) in Madison, Alabama, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cobb
Daughter · 1920 · age 12 · b. ~1908 · Alabama
★ You are viewing this record
Sibling
Jessie Cobb
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Effie Cobb
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnie Cobb
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Odis Cobb
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olie Cobb
Sibling · 1920 · age 14
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
1920 US Federal Census — Madison, Alabama
Open full size
1920 US Federal Census — Madison, Alabama
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu031unit:0289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fannie B Cobb | 8 | daughter | None | Alabama |
| 52 | William H Smith | 28 | head | General Farm | Alabama |
| 53 | Lillie Smith | 28 | wife | None | Alabama |
| 54 | Lillie Smith | 10 | daughter | None | Alabama |
| 55 | Robert G Smith | 7 | son | None | Alabama |
| 56 | Reid C Smith | 5 | son | None | Alabama |
| 57 | David A Kennemer | 37 | head | None | Alabama |
| 58 | Maggie Kennemer | 38 | wife | None | Tennessee |
| 59 | Ida Kennemer | 19 | daughter | None | Alabama |
| 60 | Leonard Kennemer | 17 | son | None | Alabama |
| 61 | Francis Kennemer | 15 | daughter | None | Alabama |
| 62 | Cestia Kennemer | 12 | daughter | None | Alabama |
| 63 | Grover Kennemer | 10 | son | None | Alabama |
| 64 | Grady Hood | 9 | head | None | Alabama |
| 65 | Lura Hood | 8 | granddaughter | None | Alabama |
| 66 | Loney Hood | 3 | granddaughter | None | Alabama |
| 67 | Hubert Hood | 1 | grandson | None | Alabama |
| 68 | James Mason | 38 | head | Farmer | Alabama |
| 69 | Ollie P Mason | 31 | wife | None | Alabama |
| 70 | George W Cobb | 48 | head | Farmer | Alabama |
| 71 | Annie C Cobb | 46 | wife | None | Alabama |
| 72 | Odis Cobb | 18 | son | Farm Laborer | Alabama |
| 73 | Olie L Cobb | 14 | son | Farm Laborer | Alabama |
| 74 | Mary D Cobb THIS PERSON | 12 | daughter | None | Alabama |
| 75 | Johnie L M Cobb | 8 | daughter | None | Alabama |
| 76 | Jessie D Cobb | 5 | son | None | Alabama |
| 77 | John J Cobb | 30 | son-in-law | None | Alabama |
| 78 | Effie G Cobb | 23 | daughter | None | Alabama |
| 79 | Inez J Cobb | 6 | granddaughter | None | Alabama |
| 80 | Carlie E M Cobb | 4 | granddaughter | None | Alabama |
| 81 | Clercia C Cobb | 1 | granddaughter | None | Alabama |
| 82 | Herbert Nash | 22 | head | Farmer | Alabama |
| 83 | Ethel L Nash | 21 | wife | None | Alabama |
| 84 | Ruby E Nash | 2 | daughter | None | Alabama |
| 85 | Eliza C Patterson | 64 | mother-in-law | None | Alabama |
| 86 | Richard Brachfield | 22 | head | None | Alabama |
| 87 | Lida M Brachfield | 20 | wife | None | Alabama |
| 88 | William P Glover | 43 | head | Farmer | Alabama |
| 89 | Ila P Glover | 37 | wife | None | Alabama |
| 90 | Edna Glover | 14 | daughter | None | Alabama |
| 91 | Edward C Glover | 11 | son | None | Alabama |
| 92 | Bessie M Glover | 7 | son | None | Alabama |
| 93 | Arthur G Glover | 5 | son | None | Alabama |
| 94 | Lloyd L Glover | 2 | son | None | Alabama |
| 95 | Robert L Bell | 35 | head | Farmer | Alabama |
| 96 | Maggie Bell | 32 | wife | None | Alabama |
| 97 | Lona Bell | 15 | daughter | None | Alabama |
| 98 | Gladys Bell | 12 | daughter | None | Alabama |
| 99 | Lottie P Bell | 9 | daughter | None | Alabama |
| 100 | Bell | 5 | daughter | None | Alabama |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)