TM
Thelma Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Thelma Martin across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Bert & Bessie — first a spouse (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Spouse
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Class of Worker | 450 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1915 |
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 Thelma | Age | Birth yr |
|---|---|---|---|---|
| Beverly Martin | Daughter | — | 2 | ~1938 |
| Thelma Martin | Spouse | — | 25 | ~1915 |
| Thomas Martin | Head | — | 29 | ~1911 |
Census Appearances
1920
King, Washington
Daughter, age 6
King, Washington · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Daughter, age 16
King, Washington · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kansas |
| Occupation | Planting |
| Industry | Greenery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Spouse, age 25
King-County, Washington · implied b. ~1915 — 3 household members
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Class of Worker | 450 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Thelma Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bert Martin (~0.92 confidence) and mother Bessie Martin (~0.92 confidence) and mother Jessie Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bert Martin
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Bessie Martin
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Jessie Martin
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Martin
Spouse · 1940 · age 25 · b. ~1915 · Washington
★ 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-04378-00432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Hansen | 26 | Wife | Radio | Oregon |
| 2 | Clifford Fellows | 33 | Head | Radio Operator | Washington |
| 3 | Edna Fellows | 28 | Wife | Operator | Minnesota |
| 4 | Barbara Fellows | 9 | Daughter | — | Alaska |
| 5 | John Hubbard | 36 | Head | Statistician | Washington |
| 6 | Vila Hubbard | 33 | Wife | — | Washington |
| 7 | John Hubbard | 10 | Son | — | Washington |
| 8 | Byron Dickson | 28 | Head | Swimming Instructor | Washington |
| 9 | Louise Dickson | 23 | Wife | Apprentice | Washington |
| 11 | B. J. Gunning | 31 | Head | Motor Salesman | Norway |
| 12 | Drilla Gunning | 32 | Wife | — | Nebraska |
| 13 | Helena Dearrington | 44 | Head | — | Nebraska |
| 14 | John Marie Stink|Stuck | 25 | Lodger | Groomer | Washington |
| 15 | Thomas Martin | 29 | Head | Clerk | New York |
| 16 | Thelma Martin THIS PERSON | 25 | Wife | — | Washington |
| 17 | Beverly Anne Martin | 2 | Daughter | 0 | Washington |
| 18 | E. Field Hopkins | 42 | Head | Hotel Clerk | Louisiana |
| 19 | Christine Hopkins | 32 | Wife | Graduate Nurse | Canada-English |
| 20 | Holland Hopkins | 5 | Son | — | Louisiana |
| 21 | Idabelle Stange|Strange | 37 | Head | Manager | Illinois |
| 22 | Ethel Stange|Strange | 35 | Wife | — | Ohio |
| 23 | Peter Stange|Strange | 9 | Son | — | California |
| 24 | Michael Stange|Strange | 3 | Son | — | California |
| 25 | Arthur Steltz | 40 | Head | Partner | Washington |
| 26 | Marion Steltz | 39 | Wife | — | Scotland |
| 27 | Marion Steltz | 13 | Daughter | — | Canada-English |
| 28 | Arthur Steltz | 6 | Son | — | Washington |
| 29 | George Whitely | 21 | Head | Office Clerk | Oregon |
| 30 | Rose Kay Whitely | 22 | Wife | — | — |
| 31 | Louis Hansen | 38 | Head | Service Manager | Washington |
| 32 | John Macomber | 32 | Head | Office Manager | Washington |
| 33 | Mildred Macomber | 30 | Wife | Manager | Illinois |
| 34 | George M. Ross | 42 | Head | C. P. Accountant | Manitoba |
| 35 | Ollie Ross | 39 | Wife | — | Washington |
| 36 | Elaine Ross | 14 | Daughter | — | Canada-English |
| 37 | Gladys Ross | 12 | Daughter | — | Canada-English |
Pedigree Summary
Thelma
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)