MH
Mary Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Potter-County, Texas
Our Model Tree links this Mary Hamilton across the 1920, 1930 and 1940 US Censuses in Potter-County, Texas (XGBoost, ~Confirmed), with identified parents H & Mattie — first a daughter (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Potter-County, Texas |
| Surname | Hamilton |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Amarillo City |
| 1935 Residence (County) | Parker |
| Additional Details | |
| Occupation | Private Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 720 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Private Nurse |
| Township / Ward | Amarillo City |
| Est. Birth Year | ~1905 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hamilton | Daughter | — | 35 | ~1905 |
| Mattie Hamilton | Daughter | — | 40 | ~1900 |
| Mattie Hamilton | Head | — | 71 | ~1869 |
Census Appearances
1920
Potter, Texas
Daughter, age 15
Potter, Texas · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary Josephine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Potter, Texas
Daughter, age 25
Potter, Texas · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mattie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Nurse |
| Industry | Nursing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Potter-County, Texas
Daughter, age 35
Potter-County, Texas · implied b. ~1905 — 3 household members
| Surname | Hamilton |
| Given Name | Mary Sue |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Amarillo City |
| 1935 Residence (County) | Parker |
| Occupation | Private Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 720 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father H Hamilton (~0.92 confidence) and mother Mattie Hamilton (~0.92 confidence) and father W Hamilton (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
H Hamilton
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mattie Hamilton
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
W Hamilton
b. ~1870
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Hamilton
Daughter · 1940 · age 35 · b. ~1905 · Texas
★ You are viewing this record
Sibling
Mattie Hamilton
Sibling · 1940 · age 40
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
1940 US Federal Census — Potter-County, Texas
Open full size
1940 US Federal Census — Potter-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04124-00274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry D. Daily | 38 | Head | Insurance | Texas |
| 2 | Nellie P. Daily | 34 | Wife | — | Texas |
| 3 | Martha Daily | 6 | Daughter | — | Texas |
| 4 | Harriet Daily | 1 | Daughter | — | Texas |
| 5 | John E. James | 34 | Head | Auditor | Kansas |
| 6 | Eleanor R. James | 30 | Wife | — | Kansas |
| 7 | Marilyn James | 3 | Daughter | — | Texas |
| 8 | John James | 1 | Son | — | Texas |
| 9 | Mattie Hamilton | 71 | Head | — | Louisiana |
| 10 | Mattie Hamilton | 40 | Daughter | Bookkeeper | Louisiana |
| 11 | Mary Sue Hamilton THIS PERSON | 35 | Daughter | Private Nurse | Oklahoma |
| 12 | Joe R. Roberts | 35 | Head | Manager | Texas |
| 13 | Zelma Roberts | 36 | Wife | — | Oklahoma |
| 14 | Louis Roberts | 5 | Son | — | Texas |
| 15 | Patricia Roberts | 1 | Daughter | — | Texas |
| 16 | Claude M. Goodnight | 51 | Head | Inspector | Texas |
| 17 | Clara P. Goodnight | 46 | Wife | — | Texas |
| 18 | Jim Goodnight | 27 | Son | Sampler | Texas |
| 19 | Gladys Goodnight | 21 | Daughter | Operator | Texas |
| 20 | Jean Goodnight | 11 | Daughter | — | Texas |
| 21 | William L. Armstrong | 47 | Head | Manager | Texas |
| 22 | Jack Armstrong | 14 | Son | — | Texas |
| 23 | Mary Armstrong | 12 | Daughter | — | Texas |
| 24 | Frances Vincent | 51 | Mother-in-law | Housekeeper | Texas |
| 25 | Edmond F. Stewart | 39 | Head | Operator | Texas |
| 26 | Jimmie Stewart | 34 | Wife | — | Arkansas |
| 27 | Calvin Stewart | 8 | Son | — | Arkansas |
| 28 | Sherry Stewart | 3 | Daughter | — | Oklahoma |
| 29 | George V. Toone | 48 | Head | Electrician | Missouri |
| 30 | Ruby Toone | 48 | Wife | — | Kansas |
| 31 | Cecil L. Blair | 26 | Head | Mechanic | California |
| 32 | Dorothy Blair | 25 | Wife | — | Colorado |
| 33 | Dale Blair | 3 | Son | — | Texas |
| 34 | Dusty Blair | 1 | Son | — | Texas |
| 35 | Fred D. Pendery | 40 | Head | Manager | Oklahoma |
| 36 | Maudie Pendery | 37 | Wife | — | Kansas |
| 37 | Loren Pendery | 9 | Son | — | Oklahoma |
| 38 | Freddie Pendery | 8 | Son | — | Texas |
| 39 | Betty Pendery | 6 | Daughter | — | Texas |
| 40 | Fire Dept Clerk Pendery | 6 | Daughter | — | Texas |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)