WM
William Mcmahon — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Williamson, Tennessee
Our Model Tree links this William Mcmahon across the 1910 and 1920 US Censuses in Williamson, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 13-person household.
Age 17
b. ~1903
Male
Son
Born: Tennessee
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Williamson, Tennessee |
| Surname | McMahon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Farm Laborer |
| Township / Ward | 19 Civil District |
| Est. Birth Year | ~1903 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mildred Mcmahon | Daughter | — | 1 | ~1919 |
| William Mcmahon | Son | — | 17 | ~1903 |
| Otha Mcmahon | Daughter | — | 20 | ~1900 |
| Emmet Mcmahon | Son | — | 14 | ~1906 |
| Josie Mcmahon | Spouse | — | 43 | ~1877 |
| Coy Mcmahon | Son | — | 9 | ~1911 |
| Edgar Mcmahon | Son | — | 12 | ~1908 |
| Roy Mcmahon | Son | — | 11 | ~1909 |
| Eugene Mcmahon | Son | — | 6 | ~1914 |
| Rosetta Mcmahon | Head | — | 45 | ~1875 |
| Vyluce Mcmahon | Son | — | 16 | ~1904 |
| Rachel Mcmahon | Daughter | — | 4 | ~1916 |
| James Mcmahon | Son | — | ~1920 |
Census Appearances
1910
Williamson, Tennessee
Son, age 7
Williamson, Tennessee · implied b. ~1903 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMahon |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Williamson, Tennessee
Son, age 17
Williamson, Tennessee · implied b. ~1903 — 13 household members
| Surname | McMahon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 William Mcmahon across 2 US Census years (1910 and 1920) in Williamson, Tennessee, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcmahon
Son · 1920 · age 17 · b. ~1903 · Tennessee
★ You are viewing this record
Sibling
Emmet Mcmahon
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coy Mcmahon
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vyluce Mcmahon
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otha Mcmahon
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Mcmahon
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Mcmahon
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Mcmahon
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Mcmahon
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachel Mcmahon
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcmahon
Sibling · 1920 · age
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 — Williamson, Tennessee
Open full size
1920 US Federal Census — Williamson, Tennessee
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1769unit:0532)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Bulloss | 32 | Head | Farmer | Tennessee |
| 52 | Martha Bulloss | 34 | Wife | — | Tennessee |
| 53 | William B. Bulloss | 1 | Son | — | Tennessee |
| 54 | Lizzie Shannon | 41 | Servant | — | Tennessee |
| 55 | Rosetta Mcmahon | 45 | Head | Farmer | Tennessee |
| 56 | Josie Mcmahon | 43 | Wife | — | Tennessee |
| 57 | Otha Mcmahon | 20 | Daughter | — | Tennessee |
| 58 | William Mcmahon THIS PERSON | 17 | Son | Farm Laborer | Tennessee |
| 59 | Vyluce Mcmahon | 16 | Son | Farm Laborer | Tennessee |
| 60 | Emmet Mcmahon | 14 | Son | — | Tennessee |
| 61 | Edgar Mcmahon | 12 | Son | — | Tennessee |
| 62 | Roy Mcmahon | 11 | Son | — | Tennessee |
| 63 | Coy Mcmahon | 9 | Son | — | Tennessee |
| 64 | Eugene Mcmahon | 6 | Son | — | Tennessee |
| 65 | Rachel Mcmahon | 4 | Daughter | — | Tennessee |
| 66 | Mildred Mcmahon | 1 | Daughter | — | Tennessee |
| 67 | James Mcmahon | 0 | Son | — | Tennessee |
| 68 | Stokes Hendrix | 25 | Head | Farm Laborer | Tennessee |
| 69 | Annie M. Hendrix | 26 | Wife | — | Tennessee |
| 70 | Edner Hendrix | 3 | Daughter | — | Tennessee |
| 71 | Edward Hendrix | 3 | Son | — | Tennessee |
| 72 | Stokes Hendrix | 2 | Son | — | Tennessee |
| 73 | Mary Hendrix | 1 | Daughter | — | Tennessee |
| 74 | Milton Whitley | 55 | Head | Carpenter | Tennessee |
| 75 | Bettie Whitley | 75 | Mother | — | Tennessee |
| 76 | Florence Whitley | 45 | Sister | — | Tennessee |
| 77 | Nellie Whitley | 23 | Sister | — | Tennessee |
| 78 | Jim H. Vernon | 72 | Head | Farmer | Tennessee |
| 79 | Mary A. Vernon | 72 | Wife | — | Tennessee |
| 80 | Thomas Vernon | 38 | Son | Farm Laborer | Tennessee |
| 81 | Maggie Vernon | 31 | Daughter in law | — | Tennessee |
| 82 | Mattie L. Vernon | 10 | Granddaughter | — | Tennessee |
| 83 | Novella Vernon | 9 | Granddaughter | — | Tennessee |
| 84 | John H. Vernon | 7 | Grandson | — | Tennessee |
| 85 | James R. Vernon | 3 | Grandson | — | Tennessee |
| 86 | Joe Loggins | 44 | Head | Farmer | Tennessee |
| 87 | Ella Loggins | 33 | Wife | — | Tennessee |
| 88 | Frank Loggins | 16 | Son | — | Tennessee |
| 89 | Lawrence Loggins | 11 | Son | — | Tennessee |
| 90 | Gladys Loggins | 8 | Daughter | — | Tennessee |
| 91 | Lucy Mai Loggins | 5 | Daughter | — | Tennessee |
| 92 | Samuel H. Barner | 38 | Head | Farmer | Tennessee |
| 93 | Mattie Barner | 33 | Wife | — | Tennessee |
| 94 | Ethel Barner | 1 | Daughter | — | Tennessee |
| 95 | James A. Vernon | 80 | Head | Farm Operator | Tennessee |
| 96 | Susie Vernon | 59 | Wife | — | Tennessee |
| 97 | Robert Vernon | 25 | Grandson | — | Tennessee |
| 98 | Kelly L. Byrd | 24 | Head | Farm Operator | Tennessee |
| 99 | Annie Byrd | 21 | Wife | — | Tennessee |
| 100 | Addie Byrd | 1 | Daughter | — | Tennessee |
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)