MC
Mary Cobb — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Boone, Arkansas
Our Model Tree links this Mary Cobb across the 1930 and 1940 US Censuses in Boone, Arkansas (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 13-person household.
Age 2
b. ~1928
Female
Daughter
Born: Arkansas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boone, Arkansas |
| Surname | Cobb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Additional Details | |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Bellefonte Township |
| Est. Birth Year | ~1928 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jim Cobb | Head | — | 51 | ~1879 |
| Jim Cobb | Son | — | 4 | ~1926 |
| James Cobb | Other | — | 40 | ~1890 |
| Lula Cobb | Other | — | 72 | ~1858 |
| Lester Cobb | Son | — | 10 | ~1920 |
| Lula Cobb | Daughter | — | 16 | ~1914 |
| John Cobb | Son | — | ~1930 | |
| Mary Cobb | Daughter | — | 2 | ~1928 |
| Lillie Cobb | Daughter | — | 8 | ~1922 |
| Dorothy Cobb | Daughter | — | 6 | ~1924 |
| Lillie Cobb | Other | — | 45 | ~1885 |
| Homer Cobb | Son | — | 14 | ~1916 |
| James Cobb | Son | — | 12 | ~1918 |
Census Appearances
1930
Boone, Arkansas
Daughter, age 2
Boone, Arkansas · implied b. ~1928 — 13 household members
| Surname | Cobb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Boone-County, Arkansas
Daughter, age 12
Boone-County, Arkansas · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cabb |
| Given Name | Mavis |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Omaha Town |
| 1935 Residence (County) | Boone |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cobb
Daughter · 1930 · age 2 · b. ~1928 · Arkansas
★ You are viewing this record
Sibling
Lester Cobb
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cobb
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Cobb
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jim Cobb
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Cobb
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Homer Cobb
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cobb
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cobb
Sibling · 1930 · age 6
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 — Boone, Arkansas
Open full size
1930 US Federal Census — Boone, Arkansas
Page Contents
50 people indexed on this census page (ia:1930:15thcensus65usce:0236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | — | None | — | — | — |
| 52 | Ernest Lee Greenwalt | 33 | Head | — | Arkansas |
| 53 | Lula H Greenwalt | 33 | Wife | — | Arkansas |
| 54 | James Greenwalt | 11 | Son | Farmer | Arkansas |
| 55 | James Brown | 23 | Head | — | Arkansas |
| 56 | Lula Brown | 47 | Mother | — | Arkansas |
| 57 | William Lee | 63 | Head | — | Missouri |
| 58 | Alice H Lee | 47 | Wife | — | Arkansas |
| 59 | Thelma O Lee | 15 | Daughter | — | Arkansas |
| 60 | William Jr Lee | 12 | Son | — | Arkansas |
| 61 | Jim Cobb | 51 | Head | — | Arkansas |
| 62 | Lula Cobb | 16 | Daughter | — | Arkansas |
| 63 | Homer Cobb | 14 | Son | — | Arkansas |
| 64 | James Cobb | 12 | Son | Delivery Boy | Arkansas |
| 65 | Lester Cobb | 10 | Son | — | Arkansas |
| 66 | Lillie Cobb | 8 | Daughter | — | Arkansas |
| 67 | Dorothy Lee Cobb | 6 | Daughter | — | Arkansas |
| 68 | Jim Jr Cobb | 4 | Son | — | Arkansas |
| 69 | Mary Cobb THIS PERSON | 2 | Daughter | — | Arkansas |
| 70 | John Cobb | 0 | Son | — | Arkansas |
| 71 | Lula Cobb | 72 | Mother | — | Arkansas |
| 72 | Lillie Cobb | 45 | Sister | — | Arkansas |
| 73 | James Cobb | 40 | Brother | — | Arkansas |
| 74 | C B Robinson | 57 | Head | Farmer | Arkansas |
| 75 | Ellen Robinson | 58 | Wife | — | Arkansas |
| 76 | John Robinson | 20 | Son | — | Arkansas |
| 77 | Franklin Hawkins | 63 | Head | Farmer | Kentucky |
| 78 | Mary E Hawkins | 60 | Wife | — | Tennessee |
| 79 | Robert Black | 22 | Head | — | Arkansas |
| 80 | Lula Black | 20 | Wife | — | Arkansas |
| 81 | James Black | 10 | Son | — | Arkansas |
| 82 | Lula Black | 8 | Daughter | — | Arkansas |
| 83 | Mary Black | 6 | Daughter | — | Arkansas |
| 84 | John Black | 4 | Son | — | Arkansas |
| 85 | Lester Black | 2 | Son | — | Arkansas |
| 86 | Lillie Black | 1 | Daughter | — | Arkansas |
| 87 | Herman Pankow | 34 | Head | Laborer | Arkansas |
| 88 | Letha Pankow | 30 | Wife | — | Arkansas |
| 89 | Alma Pankow | 13 | Daughter | — | Arkansas |
| 90 | Lula Pankow | 12 | Daughter | — | Arkansas |
| 91 | John Pankow | 5 | Son | — | Arkansas |
| 92 | William J Rogers | 75 | Head | — | Arkansas |
| 93 | Madeline S Rogers | 69 | Wife | — | Missouri |
| 94 | Fred Rogers | 34 | Son | Farmer | Arkansas |
| 95 | James Rogers | 21 | Daughter | Helper | Arkansas |
| 96 | Lula Rogers | 17 | Son | Helper | Arkansas |
| 97 | Lula Bragg | 23 | Son | — | Arkansas |
| 98 | James D Wild | 58 | Head | Farmer | Arkansas |
| 99 | Mary L Wild | 57 | Wife | — | Arkansas |
| 100 | Lillie Wild | 27 | Daughter | Helper | Arkansas |
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)