CM
Catherine Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Catherine Martin across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 10-person household.
Age 25
b. ~1915
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Martin |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Cashier |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 210 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Cashier |
| Township / Ward | Pittsburgh 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Dolores Martin | Daughter | — | 13 | ~1927 |
| Eugene Martin | Son | — | 28 | ~1912 |
| Marie Martin | Daughter | — | 19 | ~1921 |
| Dorothy Martin | Daughter | — | 17 | ~1923 |
| Albert Martin | Head | — | 50 | ~1890 |
| Hugh Martin | Son | — | 16 | ~1924 |
| Albert Martin | Son | — | 20 | ~1920 |
| Kathryn Martin | Spouse | — | 48 | ~1892 |
| Catherine Martin | Daughter | — | 25 | ~1915 |
| John Martin | Son | — | 5 | ~1935 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Catherine M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 10 household members
| Surname | Martin |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Cashier |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 210 |
| Highest Grade | Hs 4 |
| 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 Catherine Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Martin
Daughter · 1940 · age 25 · b. ~1915 · Pennsylvania
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Sibling
Dolores Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Martin
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Martin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Martin
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Martin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Martin
Sibling · 1940 · age 20
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
40 people indexed on this census page (nara:1940:m-t0627-03657-00364)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Martin | 50 | Head | Paper Hanger | Pennsylvania |
| 2 | Kathryn Martin | 48 | Wife | — | Pennsylvania |
| 3 | Eugene Martin | 28 | Son | Roofer | Pennsylvania |
| 4 | Catherine Martin THIS PERSON | 25 | Daughter | Cashier | Pennsylvania |
| 5 | Albert Martin | 20 | Son | Labor | Pennsylvania |
| 6 | Marie Martin | 19 | Daughter | Housework | Pennsylvania |
| 7 | Dorothy Martin | 17 | Daughter | — | Pennsylvania |
| 8 | Hugh Martin | 16 | Son | — | Pennsylvania |
| 9 | Dolores Martin | 13 | Daughter | — | Pennsylvania |
| 10 | John Martin | 5 | Son | — | Pennsylvania |
| 11 | Michael Donovan | 33 | Head | Core Maker | Eire |
| 12 | Margaret Donovan | 32 | Wife | — | Eire |
| 13 | Eileen May Donovan | 8 | Daughter | — | Pennsylvania |
| 14 | Patricia Donovan | 7 | Daughter | — | Pennsylvania |
| 15 | Madeline Donovan | 4 | Daughter | — | Pennsylvania |
| 16 | Margie Donovan | 4 | Daughter | — | Pennsylvania |
| 17 | James Donovan | 3 | Son | — | Pennsylvania |
| 18 | Donald Donovan | 2 | Son | — | Pennsylvania |
| 19 | Alfred Wondosiewicz | 42 | Head | Tailor | Poland |
| 20 | Silvia Wondosiewicz | 16 | Daughter | — | Pennsylvania |
| 21 | Louise Wondosiewicz | 14 | Daughter | — | Pennsylvania |
| 22 | Mary Wondosiewicz | 75 | Mother | — | Poland |
| 23 | William Kohl | 41 | Head | Custodian Helper | Pennsylvania |
| 24 | Mildred Kohl | 42 | Wife | — | Pennsylvania |
| 25 | William Jr. Kohl | 14 | Son | — | Pennsylvania |
| 26 | Fred Manka | 81 | Head | Clerk | Pennsylvania |
| 27 | Margaret Manka | 73 | Wife | — | Pennsylvania |
| 28 | Charles Bernot | 36 | Head | Clerk | Pennsylvania |
| 29 | Anna Mae Bernot | 6 | Daughter | — | Pennsylvania |
| 30 | Joseph Bernot | 27 | Brother | Laborer | Pennsylvania |
| 31 | John T. Mcmahon | 72 | Head | Fitter | Pennsylvania |
| 32 | Margaret Mcmahon | 70 | Wife | — | Pennsylvania |
| 33 | James F. Mcmahon | 43 | Son | Pipe Fitter | Pennsylvania |
| 34 | Howard L. Mcmahon | 33 | Son | Laborer | Pennsylvania |
| 35 | Meyer Klosent | 35 | Lodger | Electrician | Pennsylvania |
| 36 | Ruth Klosent | 31 | Daughter | — | Pennsylvania |
| 37 | Robert Klosent | 1 | Son | — | Pennsylvania |
| 38 | Jason Considine | 70 | Head | — | Eire |
| 39 | Lydia Considine | 47 | Aunt | Teacher | Pennsylvania |
| 40 | Catherine Grieser | 52 | Head | Caretaker | Pennsylvania |
Related Census Records
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)