MR
Martha Roberts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Armstrong-County, Pennsylvania
Our Model Tree links this Martha Roberts across the 1930 and 1940 US Censuses in Armstrong-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Armstrong-County, Pennsylvania |
| Surname | Roberts |
| Given Name | Martha Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Leechburg Borough |
| 1935 Residence (County) | Armstrong |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Leechburg Borough |
| Est. Birth Year | ~1927 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Marion Roberts | Daughter | — | 3 | ~1937 |
| Harold Roberts | Son | — | 15 | ~1925 |
| Betty Roberts | Daughter | — | 17 | ~1923 |
| Martha Roberts | Spouse | — | 40 | ~1900 |
| Martha Roberts | Daughter | — | 13 | ~1927 |
| Harold Roberts | Head | — | 38 | ~1902 |
Census Appearances
1930
Armstrong, Pennsylvania
Daughter, age 3
Armstrong, Pennsylvania · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Martha J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Armstrong-County, Pennsylvania
Daughter, age 13
Armstrong-County, Pennsylvania · implied b. ~1927 — 6 household members
| Surname | Roberts |
| Given Name | Martha Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Leechburg Borough |
| 1935 Residence (County) | Armstrong |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 Roberts across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Roberts
Daughter · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Marion Roberts
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Roberts
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Roberts
Sibling · 1940 · age 17
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 — Armstrong-County, Pennsylvania
Open full size
1940 US Federal Census — Armstrong-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03423-00545)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Lessig | 14 | Head | — | Pennsylvania |
| 2 | Dewey T. Matheney | 41 | Head | Roller | Virginia |
| 3 | Leona Matheney | 43 | Wife | Teacher | Pennsylvania |
| 4 | B. P. Blauch | 45 | Head | Principal | Pennsylvania |
| 5 | Jennie Blauch | 36 | Wife | — | Pennsylvania |
| 6 | Charles S. Wolfe | 32 | Head | Mechanic | Pennsylvania |
| 7 | Irene Wolfe | 31 | Wife | — | Pennsylvania |
| 8 | Marilyn Wolfe | 9 | Daughter | — | Pennsylvania |
| 9 | Edmond Jr. Watterson | 27 | Head | Mining Engineer | Pennsylvania |
| 10 | Eleanor Watterson | 24 | Wife | — | Pennsylvania |
| 11 | Edmond Iii Watterson | 1 | Son | — | Pennsylvania |
| 12 | M. H. Cokefair | 41 | Head | Salesman | Tennessee |
| 13 | Cecil Cokefair | 42 | Wife | — | Pennsylvania |
| 14 | Donald M. Cokefair | 12 | Son | — | Pennsylvania |
| 15 | Robert C. Cokefair | 10 | Son | — | Pennsylvania |
| 16 | Nancy Cokefair | 3 | Daughter | — | Pennsylvania |
| 17 | Laura J. Miller | 77 | Mother-in-law | — | Ohio |
| 18 | Lee Shaner | 32 | Head | Crane Man | Pennsylvania |
| 19 | Irene Shaner | 36 | Wife | — | Pennsylvania |
| 20 | Kenneth Shaner | 2 | Son | — | Pennsylvania |
| 21 | Harold Roberts | 38 | Head | Open Hearth Clerk | Pennsylvania |
| 22 | Martha S. Roberts | 40 | Wife | — | Pennsylvania |
| 23 | Betty Lou Roberts | 17 | Daughter | — | Pennsylvania |
| 24 | Harold J. Roberts | 15 | Son | — | Pennsylvania |
| 25 | Martha Jane Roberts THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 26 | Marion C. Roberts | 3 | Daughter | — | Pennsylvania |
| 27 | Frank Slomka | 49 | Head | Roller | Poland |
| 28 | Mary Slomka | 47 | Wife | — | Poland |
| 29 | Leon Slomka | 22 | Son | Laborer | Pennsylvania |
| 30 | Theodore Slomka | 19 | Son | — | Pennsylvania |
| 31 | Leona Slomka | 15 | Daughter | — | Pennsylvania |
| 32 | Richard Slomka | 12 | Son | — | Pennsylvania |
| 33 | Homer L. Roush | 39 | Head | Rollers Helper | Pennsylvania |
| 34 | Mabel D. Roush | 40 | Wife | — | Pennsylvania |
| 35 | Melvin L. Roush | 10 | Son | — | Pennsylvania |
| 36 | George Wertz | 40 | Head | Laborer | Maryland |
| 37 | Hazel Wertz | 37 | Wife | — | Pennsylvania |
| 38 | Imogene Wertz | 16 | Daughter | — | Pennsylvania |
| 39 | George Booth | 23 | Head | Mining Engineer | Virginia |
| 40 | Edith W. Booth | 23 | Wife | — | Virginia |
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)