WM
William Mcmahon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Logan, Oklahoma
Our Model Tree links this William Mcmahon across the 1910, 1920 and 1930 US Censuses in Logan, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 6-person household.
Age 63
b. ~1867
Male
Head
Born: Tennessee
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Logan, Oklahoma |
| Surname | McMahon |
| Given Name | William C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 22 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Farmer |
| Township / Ward | Cedar Township |
| Est. Birth Year | ~1867 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Hurshel Mcmahon | Son | — | 25 | ~1905 |
| Flora Mcmahon | Daughter | — | 12 | ~1918 |
| William Mcmahon | Head | — | 63 | ~1867 |
| Ruth Mcmahon | Daughter | — | 17 | ~1913 |
| Bessie Mcmahon | Spouse | — | 41 | ~1889 |
| Willie Mcmahon | Son | — | 20 | ~1910 |
Census Appearances
1910
Logan, Oklahoma
Head, age 43
Logan, Oklahoma · implied b. ~1867 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMahan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Years Married | 18 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Farmer |
| Industry | General farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Logan, Oklahoma
Head, age 54
Logan, Oklahoma · implied b. ~1866 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMahan |
| Given Name | William C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Tennessee |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Logan, Oklahoma
Head, age 63
Logan, Oklahoma · implied b. ~1867 — 6 household members
| Surname | McMahon |
| Given Name | William C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 22 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Tennessee |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 3 US Census years (1910, 1920 and 1930) in Logan, Oklahoma, using XGBoost record linkage.
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This person
Anchor record
William Mcmahon
Head · 1930 · age 63 · b. ~1867 · Oklahoma
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Logan, Oklahoma
Open full size
1930 US Federal Census — Logan, Oklahoma
Page Contents
30 people indexed on this census page (ia:1930:15thcensus1912unit:0054)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry H Kendrick | 21 | Head | Farmer | Kansas |
| 2 | Eula Kendrick | 29 | Wife | — | Missouri |
| 3 | Psyche D Kendrick | 4 | Daughter | — | Oklahoma |
| 4 | William C Mcmahon THIS PERSON | 63 | Head | Farmer | Tennessee |
| 5 | Bessie Mcmahon | 41 | Wife | — | Tennessee |
| 6 | Hurshel Mcmahon | 25 | Son | Laborer | Texas |
| 7 | Willie Mcmahon | 20 | Son | Laborer | Oklahoma |
| 8 | Ruth Mcmahon | 17 | Daughter | — | Oklahoma |
| 9 | Flora Mcmahon | 12 | Daughter | — | Oklahoma |
| 10 | Walter L Collett | 22 | Head | Farmer | Oklahoma |
| 11 | Ella Collett | 21 | Wife | — | Tennessee |
| 12 | Storm Collett | 3 | Daughter | — | Oklahoma |
| 13 | Juanita Collett | 0 | Daughter | — | Oklahoma |
| 14 | Ernest T Collins | 39 | Head | Farmer | Nebraska |
| 15 | Lawrence Chitwood | 18 | Nephew | Laborer | Oklahoma |
| 16 | Arlow J Geddes | 48 | Head | Patrolman | Kansas |
| 17 | Lola B Geddes | 46 | Wife | — | Kansas |
| 18 | Naomi Geddes | 29 | Daughter | — | Kansas |
| 19 | Jess M Edwards | 34 | Head | Farmer | Oklahoma |
| 20 | Jessie Edwards | 31 | Wife | — | Oklahoma |
| 21 | Merrell Edwards | 13 | Son | — | Oklahoma |
| 22 | Cleo Edwards | 11 | Son | — | Oklahoma |
| 23 | George Grace | 64 | Head | Farmer | Italy |
| 24 | Rosa S Grace | 40 | Wife | — | Kansas |
| 25 | Joe F Patterson | 19 | Step-son | Laborer | Oklahoma |
| 26 | Milton C Patterson | 17 | Step-son | — | Oklahoma |
| 27 | Earnest A Patterson | 15 | Step-son | — | Oklahoma |
| 28 | Charlie G Patterson | 13 | Step-son | — | Oklahoma |
| 29 | Henry L Patterson | 11 | Step-son | — | Oklahoma |
| 30 | Lee G Patterson | 6 | Step-son | — | Oklahoma |
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)