TM
Thelma Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Thelma Martin across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Andrew & Emma — first a daughter (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grosse Pointe Park Village |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | school teacher |
| Industry | public school |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3491 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Teacher |
| Township / Ward | Grosse Pointe Park Village |
| Est. Birth Year | ~1894 |
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 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Mary Cecil | Other | — | 35 | ~1905 |
| Hulda Martin | Daughter | — | 42 | ~1898 |
| Ruth Martin | Daughter | — | 38 | ~1902 |
| Thelma Martin | Daughter | — | 46 | ~1894 |
| Emma Martin | Head | — | 68 | ~1872 |
| Elsa Martin | Daughter | — | 49 | ~1891 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 26
Wayne, Michigan · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Thekla |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Germany |
| Mother's Birthplace | Michigan |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Daughter, age 34
Wayne, Michigan · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Thekla E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Germany |
| Mother's Birthplace | Michigan |
| Occupation | Teacher |
| Industry | Public Schools |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 46
Wayne-County, Michigan · implied b. ~1894 — 6 household members
| Surname | Martin |
| Given Name | Thelma |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grosse Pointe Park Village |
| 1935 Residence (County) | Wayne |
| Occupation | school teacher |
| Industry | public school |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3491 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Andrew Martin (~0.92 confidence) and mother Emma Martin (~0.92 confidence) and mother Emma Martin (~0.92 confidence) and mother Emma Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Martin
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Emma Martin
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Emma Martin
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Emma Martin
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Martin
Daughter · 1940 · age 46 · b. ~1894 · Michigan
★ You are viewing this record
Sibling
Hulda Martin
Sibling · 1940 · age 42
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsa Martin
Sibling · 1940 · age 49
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Martin
Sibling · 1940 · age 38
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01829-00016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosella Shader | 42 | wife | — | Canada |
| 2 | June Shader | 21 | daughter | — | Michigan |
| 3 | West Shader | None | Panchita | 48 | No |
| 4 | William C. Barber | 42 | Head | Superintendent | Michigan |
| 5 | Elnora Barber | 42 | wife | — | Michigan |
| 6 | John Nelson Barber | 16 | son | — | Michigan |
| 7 | Homer C. Pietsch | 45 | Head | Executive | Ohio |
| 8 | Myrl Pietsch | 40 | wife | — | Michigan |
| 9 | Homer C. Jr. Pietsch | 14 | son | — | Michigan |
| 10 | Thomas D. Pietsch | 12 | son | — | Michigan |
| 11 | Florence Gilliland | 29 | maid | Maid | Indiana |
| 12 | Edgar M. Reitz | 38 | Head | Attorney | Michigan |
| 13 | Elizabeth Reitz | 30 | wife | — | Michigan |
| 14 | Alice Ann Reitz | 6 | daughter | — | Michigan |
| 15 | Elizabeth Ann Reitz | 4 | daughter | — | Michigan |
| 16 | Ara Rande | 56 | mother-in-law | — | New York |
| 17 | George E. Fay | 65 | Head | Physician | Illinois |
| 18 | Theodora Fay | 57 | wife | — | New York |
| 19 | Roger S. Vanderkar | 24 | nephew | Office Clerk | Idaho |
| 20 | Edith Fitzgerald | 54 | maid | Maid | Wisconsin |
| 21 | Nelly B. Harris | 76 | Head | — | New York |
| 22 | Margaret Mclean | 66 | maid | Maid | Michigan |
| 23 | — | None | — | — | — |
| 24 | Marcello Schiappacasse | 50 | Head | Part Owner | Pennsylvania |
| 25 | Marie Schiappacasse | 48 | wife | — | Michigan |
| 26 | Marty Schiappacasse | 23 | son | — | Michigan |
| 27 | Gloria Schiappacasse | 14 | daughter | — | Michigan |
| 28 | Dolores Schiappacasse | 11 | daughter | — | Michigan |
| 29 | Michael Gardella | 80 | Head | — | Italy |
| 30 | Lena Gardella | 45 | wife | Owner | Michigan |
| 31 | Theresa Gardella | 39 | daughter | Part Owner | Michigan |
| 32 | Stephen Gardella | 37 | son | Owner | Michigan |
| 33 | Catherine Gardella | 34 | daughter | — | Michigan |
| 34 | Helen Gardella | 32 | daughter | — | Michigan |
| 35 | Emma Martin | 68 | Head | — | Michigan |
| 36 | Elsa Martin | 49 | daughter | Secretary Treasurer | Michigan |
| 37 | Thelma Martin THIS PERSON | 46 | daughter | School Teacher | Michigan |
| 38 | Hulda Martin | 42 | daughter | School Teacher | Michigan |
| 39 | Ruth Martin | 38 | daughter | School Teacher | Michigan |
| 40 | Mary Cecil | 35 | lodger | Owner | Michigan |
Pedigree Summary
Thelma + 3 siblings
Gen 1 · 4 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)