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Martha Fisher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Martha Fisher across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Fisher |
| Given Name | Martha R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | Yes 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Elizabeth Fisher | Daughter | — | 14 | ~1926 |
| Wilfred Fisher | Son | — | 10 | ~1930 |
| Marie Fisher | Spouse | — | 39 | ~1901 |
| William Fisher | Head | — | 39 | ~1901 |
| Catherine Fisher | Daughter | — | 9 | ~1931 |
| Martha Fisher | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 2
Allegheny, Pennsylvania · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fisher |
| Given Name | Martha R |
| 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 |
1940
Allegheny-County, Pennsylvania
Daughter, age 12
Allegheny-County, Pennsylvania · implied b. ~1928 — 6 household members
| Surname | Fisher |
| Given Name | Martha R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Highest Grade | Yes 6 |
| 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 Fisher across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Fisher
Daughter · 1940 · age 12 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Catherine Fisher
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Fisher
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilfred Fisher
Sibling · 1940 · age 10
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03669-00223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilma L. Swanson | 2 | Grand-daughter | — | Pennsylvania |
| 2 | Harry J. Blair | 52 | Head | Secretary & Treasurer | Pennsylvania |
| 3 | Anne D. Blair | 45 | Wife | Nurse | Pennsylvania |
| 4 | Harry J. Jr. Blair | 15 | Son | — | Pennsylvania |
| 5 | George L. Miller | 54 | Head | Custodian | Pennsylvania |
| 6 | Kathryn M. Miller | 25 | Daughter | — | Pennsylvania |
| 7 | Frank W. Miller | 22 | Son | Dividend Clerk | Pennsylvania |
| 8 | Eleanor M. Miller | 20 | Daughter | — | Pennsylvania |
| 9 | Ottilie E. Carlisle | 60 | Head | Saleslady | Illinois |
| 10 | Arthur C. Kaercher | 29 | Head | Agent | Ohio |
| 11 | Frances C. Kaercher | 30 | Wife | — | Ohio |
| 12 | Elizabeth C. Kaercher | 1 | Daughter | — | Pennsylvania |
| 13 | Joseph Roscielniak | 67 | Head | — | Poland |
| 14 | Josephine Roscielniak | 63 | Wife | — | Poland |
| 15 | Vincent Roscielniak | 34 | Son | Steel Worker | Pennsylvania |
| 16 | Regina Roscielniak | 26 | Daughter | — | Pennsylvania |
| 17 | Lawrence Roscielniak | 0 | Grand-son | — | Pennsylvania |
| 18 | Leo James Mccafferty | 37 | Son-in-law | Steel Worker | Pennsylvania |
| 19 | Mary C. Mccafferty | 37 | Daughter | Saleslady | Pennsylvania |
| 20 | Leo James Jr. Mccafferty | 14 | Grand-son | — | Pennsylvania |
| 21 | Delores M. Mccafferty | 9 | Grand-daughter | — | Pennsylvania |
| 22 | William F. Fisher | 39 | Head | Electrician | Pennsylvania |
| 23 | Marie R. Fisher | 39 | Wife | — | Pennsylvania |
| 24 | Elizabeth M. Fisher | 14 | Daughter | — | Pennsylvania |
| 25 | Martha R. Fisher THIS PERSON | 12 | Daughter | — | Pennsylvania |
| 26 | Wilfred Roscoe Fisher | 10 | Son | — | Pennsylvania |
| 27 | Catherine Fisher | 9 | Daughter | — | Pennsylvania |
| 28 | William G. H. Miller | 49 | Head | Laborer | Pennsylvania |
| 29 | Nellie C. Miller | 51 | Wife | — | Pennsylvania |
| 30 | Christine Miller | 20 | Daughter | New Worker | Pennsylvania |
| 31 | Charles E. Fitch | 31 | Head | Truck Driver | Pennsylvania |
| 32 | Ruth F. Fitch | 28 | Wife | — | Pennsylvania |
| 33 | David Smith | 60 | Head | Watchman | Pennsylvania |
| 34 | Eleanor L. Smith | 56 | Wife | — | Pennsylvania |
| 35 | David W. Smith | 30 | Son | — | Pennsylvania |
| 36 | George Lang | 63 | Head | Station Operator | Pennsylvania |
| 37 | Hubert L. Gibson | 36 | Nephew | Owner | Pennsylvania |
| 38 | Othele Gibson | 35 | Niece | Clerk | Pennsylvania |
| 39 | Ida J. Lippey | 52 | Servant | Housekeeper | Pennsylvania |
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)