MT
Martha Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Pennsylvania
Our Model Tree links this Martha Thomas across the 1910, 1920, 1930 and 1940 US Censuses in Franklin-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Ira & Ira — first a daughter (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chambersburg |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | Pretzel Baker |
| Industry | Pretzel Bakery |
| Class of Worker | NP |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Pretzel Baker |
| Township / Ward | Chambersburg |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Winniefred Thomas | Daughter | — | 30 | ~1910 |
| Elizabeth Sheetz | Daughter | — | 38 | ~1902 |
| Martha Thomas | Daughter | — | 32 | ~1908 |
| Nellie Thomas | Daughter | — | 21 | ~1919 |
| Ira Thomas | Head | — | 66 | ~1874 |
| Martha Sheetz | Other | — | 12 | ~1928 |
| Georgiana Thomas | Spouse | — | 62 | ~1878 |
Census Appearances
1910
Franklin, Pennsylvania
Daughter, age 2
Franklin, Pennsylvania · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Franklin, Pennsylvania
Daughter, age 12
Franklin, Pennsylvania · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Martha A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Franklin, Pennsylvania
Daughter, age 22
Franklin, Pennsylvania · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | helper |
| Industry | metal factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Franklin-County, Pennsylvania
Daughter, age 32
Franklin-County, Pennsylvania · implied b. ~1908 — 7 household members
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chambersburg |
| 1935 Residence (County) | Franklin |
| Occupation | Pretzel Baker |
| Industry | Pretzel Bakery |
| Class of Worker | NP |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Martha Thomas across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ira Thomas (~0.92 confidence) and father Ira Thomas (~0.92 confidence) and father Ora Thomas (~0.92 confidence) and mother Georgianna Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ira Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Ira Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Ora Thomas
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Georgianna Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Martha Thomas
Daughter · 1940 · age 32 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Nellie Thomas
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Winniefred Thomas
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Sheetz
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 — Franklin-County, Pennsylvania
Open full size
1940 US Federal Census — Franklin-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03509-00434)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl Raifsnider | 28 | Son | Meat Cutter | Pennsylvania |
| 42 | Julia C. Dyer | 63 | Head | — | Pennsylvania |
| 43 | Roland E. Dyer | 37 | Son | Salesman | Pennsylvania |
| 44 | Ira B. Thomas | 66 | Head | Owner And Manager | Pennsylvania |
| 45 | Georgiana Thomas | 62 | Wife | — | Pennsylvania |
| 46 | Elizabeth Sheetz | 38 | Daughter | Pretzel Baker | Pennsylvania |
| 47 | Martha Thomas THIS PERSON | 32 | Daughter | Pretzel Baker | Pennsylvania |
| 48 | Winniefred Thomas | 30 | Daughter | Pretzel Baker | Pennsylvania |
| 49 | Nellie Thomas | 21 | Daughter | — | Pennsylvania |
| 50 | Martha Sheetz | 12 | Granddaughter | — | Pennsylvania |
| 51 | Harry R. Shover | 38 | Head | Laborer | Pennsylvania |
| 52 | Bertie S. Shover | 33 | Wife | — | Pennsylvania |
| 53 | Mary E. Shover | 12 | Daughter | — | Pennsylvania |
| 54 | Patsy R. Shover | 10 | Daughter | — | Pennsylvania |
| 55 | Harry R. Jr. Shover | 8 | Son | — | Pennsylvania |
| 56 | Paul P. Shover | 6 | Son | — | Pennsylvania |
| 57 | Nellie J. Shover | 4 | Daughter | — | Pennsylvania |
| 58 | Lonnie S. Shover | 2 | Son | — | Pennsylvania |
| 59 | William S. Shover | 0 | Son | — | Pennsylvania |
| 60 | Sydney B. Smith | 27 | Head | Orderly | Pennsylvania |
| 61 | Hazel Smith | 25 | Wife | — | Pennsylvania |
| 62 | Dolores Smith | 10 | Daughter | — | Pennsylvania |
| 63 | Albert Overdebaugh | 42 | Head | Steward | Pennsylvania |
| 64 | Malla Overdebaugh | 34 | Wife | — | Pennsylvania |
| 65 | Albert Jr. Overdebaugh | 10 | Son | — | Pennsylvania |
| 66 | Patricia Overdebaugh | 0 | Daughter | — | Pennsylvania |
| 67 | Annie Cramer | 76 | Mother | — | Pennsylvania |
| 68 | William H. Dolby | 66 | Head | Drayman | Virginia |
| 69 | Florence C. Dolby | 57 | Wife | — | Pennsylvania |
| 70 | Frank Yeager | 70 | Head | — | Pennsylvania |
| 71 | Minnie Brown | 71 | Housekeeper | Housekeeper | Pennsylvania |
| 72 | Nettie Mcdonald | 67 | Head | Laundress | Pennsylvania |
| 73 | Mary Weller | 35 | Daughter | — | Pennsylvania |
| 74 | Elmer Grisby | 55 | Head | Laborer | Pennsylvania |
| 75 | Achway Grisby | 45 | Brother | Laborer | Pennsylvania |
| 76 | Harry Johnson | 41 | Head | Drayman | Maryland |
| 77 | Nellie Johnson | 40 | Wife | — | Pennsylvania |
| 78 | Margaret Johnson | 18 | Daughter | — | Pennsylvania |
| 79 | John Jones | 40 | Head | Truck Driver | Pennsylvania |
| 80 | Crist S. Newcomer | 57 | Head | Farmer | Pennsylvania |
Related Census Records
Pedigree Summary
Martha + 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)