CM
Catherine Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Catherine Martin across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 9-person household.
Age 18
b. ~1912
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Martin |
| Given Name | Catherine M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Clerk |
| Industry | Publishing Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1912 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Josephine Martin | Daughter | — | 14 | ~1916 |
| Helen Martin | Daughter | — | 16 | ~1914 |
| Albert Martin | Head | — | 45 | ~1885 |
| Catherine Martin | Daughter | — | 18 | ~1912 |
| Catherine Martin | Spouse | — | 45 | ~1885 |
| Hugh Martin | Son | — | 11 | ~1919 |
| Elizabeth Martin | Daughter | — | 7 | ~1923 |
| William Martin | Other | — | 50 | ~1880 |
| Albert Martin | Son | — | 8 | ~1922 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 8
Philadelphia, Pennsylvania · implied b. ~1912 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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
Philadelphia, Pennsylvania
Daughter, age 18
Philadelphia, Pennsylvania · implied b. ~1912 — 9 household members
| Surname | Martin |
| Given Name | Catherine M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Publishing Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Martin
Daughter · 1930 · age 18 · b. ~1912 · Pennsylvania
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Sibling
Hugh Martin
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Martin
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Martin
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Martin
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Martin
Sibling · 1930 · age 8
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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
9 people indexed on this census page (ia:1930:fifteenthcensus00reel2103:0222)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Albert F. Martin | 45 | Head | Heater-Man | Pennsylvania |
| 52 | Catherine C. Martin | 45 | Wife | None | Pennsylvania |
| 53 | Catherine M. Martin THIS PERSON | 18 | Daughter | Clerk | Pennsylvania |
| 54 | Helen M. Martin | 16 | Daughter | None | Pennsylvania |
| 55 | Josephine L. Martin | 14 | Daughter | None | Pennsylvania |
| 56 | Hugh A. Martin | 11 | Son | None | Pennsylvania |
| 57 | Albert J. Martin | 8 | Son | None | Pennsylvania |
| 58 | Elizabeth B. Martin | 7 | Daughter | None | Pennsylvania |
| 59 | William B. Martin | 50 | Brother | Card-Feeder | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)