MT
Myrtle Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Myrtle Thomas across the 1920, 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed), with identified parents Sara — first a daughter (b.~1891), then head of a 3-person household.
Age 49
b. ~1891
Female
Daughter
Born: Kansas
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Thomas |
| Given Name | Myrtle S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Kansas |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Occupation | Secretary |
| Industry | Medical Doctor |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 236 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Secretary |
| Township / Ward | Phoenix City |
| Est. Birth Year | ~1891 |
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 Myrtle | Age | Birth yr |
|---|---|---|---|---|
| Sara Smith | Head | — | 71 | ~1869 |
| Robert Mccomb | Other | — | 21 | ~1919 |
| Myrtle Thomas | Daughter | — | 49 | ~1891 |
Census Appearances
1920
Maricopa, Arizona
Spouse, age 28
Maricopa, Arizona · implied b. ~1892 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Myrtle |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Maricopa, Arizona
Other, age 38
Maricopa, Arizona · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Myrtle |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Widowed |
| Birthplace | Kansas |
| Age at First Marriage | 22 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Mississippi |
| Occupation | Secretary |
| Industry | Physician |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Maricopa-County, Arizona
Daughter, age 49
Maricopa-County, Arizona · implied b. ~1891 — 3 household members
| Surname | Thomas |
| Given Name | Myrtle S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Kansas |
| 1935 Residence (City) | Phoenix City |
| 1935 Residence (County) | Maricopa |
| Occupation | Secretary |
| Industry | Medical Doctor |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 236 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Myrtle Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sara Smith (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sara Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Myrtle Thomas
Daughter · 1940 · age 49 · b. ~1891 · Arizona
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Maricopa-County, Arizona
Open full size
1940 US Federal Census — Maricopa-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00104-00415)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William M. Manus | 5 | Son | — | Arizona |
| 42 | Virginia Manus | 5 | Daughter | — | Arizona |
| 43 | William Neale Nester | 40 | Head | Salesman | Kansas |
| 44 | Bernice L. Nester | 38 | Wife | — | Kansas |
| 45 | Robert Kasold | 45 | Head | Owner | California |
| 46 | Ruth Kasold | 42 | Wife | Saleslady | Utah |
| 47 | Robert Jr. Kasold | 7 | Son | — | Arizona |
| 48 | Clinton D. Koyle | 58 | Brother-in-law | Radio Service Man | Arizona |
| 49 | Myrtle V. Koyle | 58 | Sister-in-law | — | Texas |
| 50 | Emma Riggs | 74 | Head | — | Arkansas |
| 51 | Ruth Riggs | 45 | Daughter | Secretary | Texas |
| 52 | Ann Loeber-Antony | 52 | Daughter | Cashier | Texas |
| 53 | Lee A. Riggs | 57 | Son | — | Texas |
| 54 | Lillian H. Riggs | 50 | Daughter-in-law | — | Colorado |
| 55 | Beth L. Rodgers | 49 | Head | Librarian | Mississippi |
| 56 | T. B. Moppins | 77 | Father | — | Mississippi |
| 57 | Tinnie Barnette | 39 | Maid | Maid | Texas |
| 58 | Sara A. Smith | 71 | Head | — | Mississippi |
| 59 | Myrtle S. Thomas THIS PERSON | 49 | Daughter | Secretary | Kansas |
| 60 | Robert E. Mccomb | 21 | Grandson | Salesman | Arizona |
| 61 | David S. Pease | 40 | Head | Manager-Owner | Mexico |
| 62 | Anna Pease | 48 | Wife | — | Arizona |
| 63 | Benjamin F. Carter | 49 | Head | Electrical Engineer | Massachusetts |
| 64 | Dorthy D. Carter | 49 | Wife | — | Massachusetts |
| 65 | Norman W. Carter | 19 | Son | — | Arizona |
| 66 | Mary A. Carter | 82 | Mother | — | Massachusetts |
| 67 | Donald C. Blair | 42 | Head | Accountant | Illinois |
| 68 | Lena M. Blair | 69 | Mother | — | Pennsylvania |
| 69 | Jay C. Turbeyville | 49 | Head | Land Appraiser | Texas |
| 70 | Alberta H. Turbeyville | 45 | Wife | — | Illinois |
| 71 | Martha E. Turbeyville | 21 | Daughter | Clerk Stenographer | Arizona |
| 72 | John H. Turbeyville | 19 | Son | — | Arizona |
| 73 | Jane Turbeyville | 17 | Daughter | — | Arizona |
| 74 | Frank H. Bringe | 49 | Head | Sales-Engineer | Ohio |
| 75 | Ella E. Bringe | 46 | Wife | — | California |
| 76 | Florence L. Williams | 57 | Head | — | West Virginia |
| 77 | Extra Line | None | — | — | — |
| 78 | Virgil Mcginh | 29 | Head | Manager-Salesman | Iowa |
| 79 | Katherine Mcginh | 30 | Wife | — | Kentucky |
| 80 | John Robert Mcginh | 5 | Son | — | Arizona |
Pedigree Summary
Myrtle
Gen 1 · 1 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)