TR
Thomas Ray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Thomas Ray across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Frank & Thomas — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Ray |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Houseman |
| Industry | Private House |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 850 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Houseman |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Roger Ray | Son | — | 18 | ~1922 |
| Thomas Ray | Son | — | 23 | ~1917 |
| Thomas Ray | Head | — | 53 | ~1887 |
| Lenore Ray | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Polk, Iowa
Son, age 3
Polk, Iowa · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ray |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 13
Polk, Iowa · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ray |
| Given Name | Thomas D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 23
Polk-County, Iowa · implied b. ~1917 — 4 household members
| Surname | Ray |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Houseman |
| Industry | Private House |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 850 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Thomas Ray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Ray (~0.92 confidence) and father Thomas Ray (~0.92 confidence) and mother Lenore Ray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Ray
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Thomas Ray
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Lenore Ray
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Ray
Son · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
Roger Ray
Sibling · 1940 · age 18
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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01193-00904)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William J. Clark | 40 | Head | Proprietor | Iowa |
| 42 | Mary J. Clark | 43 | Wife | — | Iowa |
| 43 | Joan Clark | 13 | Daughter | — | Iowa |
| 44 | Robert Clark | 11 | Son | — | Iowa |
| 45 | George C. Stirling | 52 | Head | Executive | Iowa |
| 46 | Florence F. Stirling | 51 | Wife | — | Michigan |
| 47 | Florence F. Stirling | 22 | Daughter | Clerk | Iowa |
| 48 | Anlana Stirling | 18 | Son | Multigraph Operator | Iowa |
| 49 | Myrtie Stirling | 71 | Head | — | Iowa |
| 50 | Zell Green | 51 | Lodger | Manager | Iowa |
| 51 | Ethel Green | 34 | Lodger-Wife | — | Iowa |
| 52 | Ishmael Macfarland | 53 | Head | Salesman | Indiana |
| 53 | Oren N. Bair | 49 | Housekeeper | Housekeeper | Iowa |
| 55 | John C. Hol | 61 | Head | Press Room Foreman | Iowa |
| 56 | Mina L. Hol | 48 | Wife | — | Iowa |
| 57 | Thomas V. Ray | 53 | Head | Carpenter | Iowa |
| 58 | Lenore Ray | 45 | Wife | — | Iowa |
| 59 | Thomas Ray THIS PERSON | 23 | Son | Houseman | Iowa |
| 60 | Roger Ray | 18 | Son | Apprentice | Iowa |
| 61 | Elizabeth Voodrey | 71 | Head | — | Illinois |
| 62 | Gerrit J. Horman | 69 | Head | — | Iowa |
| 63 | Sara Horman | 59 | Wife | — | Iowa |
| 64 | Nile Oldham | 48 | Head | Building Inspector | Iowa |
| 65 | Katherine Oldham | 48 | Wife | — | Iowa |
| 66 | Nile Jr. Oldham | 21 | Son | — | Iowa |
| 68 | Donald G. Freeman | 37 | Head | Commercial Decorator | Iowa |
| 69 | Alice Freeman | 34 | Wife | — | Iowa |
| 70 | Saundra Freeman | 4 | Daughter | — | Iowa |
| 71 | Donald Freeman | 2 | Son | — | Iowa |
| 72 | Agnes Birkestrand | 25 | Maid | Maid | Iowa |
| 73 | Roger Keith | 49 | Head | Contractor | Iowa |
| 74 | Dorothy Keith | 46 | Wife | Teacher | Iowa |
| 75 | Larene E. Crouse | 64 | Head | Farmer | Iowa |
| 76 | Harold A. Macrae | 42 | Head | Sales Manager | Iowa |
| 77 | Ethel Macrae | 40 | Wife | — | Minnesota |
| 78 | Kenneth Macrae | 10 | Son | — | Iowa |
| 79 | Jo Ann Macrae | 9 | Daughter | — | Iowa |
| 80 | Hubert L. Horton | 46 | Head | Officer | Iowa |
Pedigree Summary
Thomas + 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)