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Mary Mathis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Knox, Tennessee
Our Model Tree links this Mary Mathis across the 1920 and 1930 US Censuses in Knox, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 8-person household.
Age 22
b. ~1908
Female
Daughter
Born: Tennessee
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Knox, Tennessee |
| Surname | Mathis |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Knoxville |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mathis | Daughter | — | 22 | ~1908 |
| James Mathis | Head | — | 63 | ~1867 |
| John Gammon | Other | — | 51 | ~1879 |
| Hattie Mathis | Spouse | — | 61 | ~1869 |
| James Mathis | Son | — | 18 | ~1912 |
| Ernest Smith | Other | — | 27 | ~1903 |
| Sue Mathis | Daughter | — | 20 | ~1910 |
| Sarah Mathis | Daughter | — | 25 | ~1905 |
Census Appearances
1920
Loudon, Tennessee
Daughter, age 11
Loudon, Tennessee · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mathis |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Knox, Tennessee
Daughter, age 22
Knox, Tennessee · implied b. ~1908 — 8 household members
| Surname | Mathis |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Mathis across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mathis
Daughter · 1930 · age 22 · b. ~1908 · Tennessee
★ You are viewing this record
Sibling
Sue Mathis
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mathis
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Mathis
Sibling · 1930 · 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
1930 US Federal Census — Knox, Tennessee
Open full size
1930 US Federal Census — Knox, Tennessee
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2260unit:0090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert E. Lee Smith | 65 | Supt | Physician | Tennessee |
| 2 | Mary Elizabeth Currier | 28 | Daughter | — | Tennessee |
| 3 | William Payne Currier | 29 | Son-in-law | Store Manager | Tennessee |
| 4 | Jesse G. Hill | 40 | Head | Physician | Tennessee |
| 5 | Nora W. Hill | 35 | Wife | — | Tennessee |
| 6 | James E. Mathis | 63 | Head | Physician | Tennessee |
| 7 | Hattie T. Mathis | 61 | Wife | — | Tennessee |
| 8 | Sarah W. Mathis | 25 | Daughter | Stenographer | Tennessee |
| 9 | Mary K. Mathis THIS PERSON | 22 | Daughter | — | Tennessee |
| 10 | Sue E. Mathis | 20 | Daughter | — | Tennessee |
| 11 | James R. Mathis | 18 | Son | — | Tennessee |
| 12 | John H. Gammon | 51 | Physician | Physician | Tennessee |
| 13 | Ernest G. Smith | 27 | Dentist | Dentist | Tennessee |
| 14 | Creed A. Taylor | 67 | Head | Steward | Tennessee |
| 15 | Minnie H. Taylor | 58 | Wife | Asst Steward | Kentucky |
| 16 | Nelle M. Best | 29 | Attendant | Attendant | Tennessee |
| 17 | Dorthy T. Harrell | 28 | Attendant | Attendant | Tennessee |
| 18 | Ruth M. Pressley | 18 | Attendant | Attendant | Tennessee |
| 19 | Ethel B. Henderson | 32 | Attendant | Attendant | Tennessee |
| 20 | George F. Morrow | 54 | Head | Supervisor | North Carolina |
| 21 | Dollie Mae H. Morrow | 36 | Wife | Attendant | Tennessee |
| 22 | John D. Wells | 35 | Head | Attendant | Tennessee |
| 23 | Narrie E. Wells | 31 | Wife | Attendant | Tennessee |
| 24 | Maud A. King | 37 | Attendant | Attendant | Tennessee |
| 25 | Hall H. Brown | 34 | Head | Attendant | Tennessee |
| 26 | Cordie A. Brown | 21 | Wife | Attendant | Tennessee |
| 27 | Beulah M. Collette | 22 | Attendant | Attendant | Tennessee |
| 28 | Mattie M. Long | 18 | Attendant | Attendant | Tennessee |
| 29 | Marcelia M. Miller | 18 | Attendant | Attendant | Tennessee |
| 30 | Maud S. Hall | 40 | Attendant | Attendant | Tennessee |
| 31 | Lucile S. Stroud | 26 | Attendant | Attendant | Tennessee |
| 32 | Cas B. Blair | 44 | Head | Dairyman | Tennessee |
| 33 | Clara W. Blair | 42 | Wife | Attendant | Tennessee |
| 34 | Newman A. Blair | 15 | Son | — | Tennessee |
| 35 | David W. Blair | 11 | Son | — | Tennessee |
| 36 | Ollie Beam | 62 | Head | Gardener | Tennessee |
| 37 | Ida S. Beam | 58 | Wife | — | Tennessee |
| 38 | Oscar S. Beam | 24 | Son | Teller | Tennessee |
| 39 | Staut J. Wright | 49 | Head | Engineer | Tennessee |
| 40 | Minnie R. Wright | 44 | Wife | — | Virginia |
| 41 | William P. Wright | 17 | Son | — | Tennessee |
| 42 | Mary W. Wright | 8 | Daughter | — | Tennessee |
| 43 | Madison C. Alexander | 61 | Head | Farmer | Tennessee |
| 44 | Lola S. Alexander | 48 | Wife | Poultry Supt | Tennessee |
| 45 | James E. Horton | 35 | Head | Attendant | Alabama |
| 46 | Evelyn S. Horton | 23 | Wife | Attendant | Tennessee |
| 47 | Essie L. Barnwell | 19 | Attendant | Attendant | Tennessee |
| 48 | Thomas G. Lones | 24 | Head | Asst Engineer | Tennessee |
| 49 | Katherine M. Lones | 22 | Wife | Attendant | Tennessee |
| 50 | Irene Hicks | 25 | Attendant | Attendant | Tennessee |
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)