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Mary Logan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Logan across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Mary — first a daughter (b.~1909), then head of a 11-person household.
Age 21
b. ~1909
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | bookkeeper |
| Industry | wholesale milk |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1909 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Catherine Logan | Daughter | — | 19 | ~1911 |
| Mary Logan | Daughter | — | 21 | ~1909 |
| James Logan | Head | — | 51 | ~1879 |
| Philip Logan | Other | — | 40 | ~1890 |
| Thomas Logan | Other | — | 25 | ~1905 |
| Amelia Donagard | Other | — | 60 | ~1870 |
| Mary Logan | Other | — | 48 | ~1882 |
| James Logan | Son | — | 13 | ~1917 |
| John Logan | Son | — | 11 | ~1919 |
| Thomas Logan | Son | — | 22 | ~1908 |
| Edward Logan | Son | — | 25 | ~1905 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Daughter, age 10
Philadelphia, Pennsylvania · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | Mary S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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 21
Philadelphia, Pennsylvania · implied b. ~1909 — 11 household members
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | bookkeeper |
| Industry | wholesale milk |
| 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 Mary Logan across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father James Logan (~0.92 confidence) and mother Mary Logan (~0.92 confidence) and father James Logan (~0.92 confidence) and mother Melissa Logan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Logan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Mary Logan
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
James Logan
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Melissa Logan
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Logan
Daughter · 1930 · age 21 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
Edward Logan
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Logan
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Logan
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Logan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Logan
Sibling · 1930 · age 19
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
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2098:0888)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Bonner | 60 | Head-HR | Cook | Northern Ireland |
| 2 | Mary Ward | 50 | lodger | Cook | Northern Ireland |
| 3 | John Ward | 47 | lodger | Porter | Northern Ireland |
| 4 | Alexander Byron | 41 | lodger | Porter | Pennsylvania |
| 5 | Edward Donahue | 41 | Head | Sexton | Pennsylvania |
| 6 | Catherine Donahue | 35 | wife-H | None | Pennsylvania |
| 7 | Catherine Donahue | 15 | daughter | None | Pennsylvania |
| 8 | Edward Donahue | 13 | son | None | Pennsylvania |
| 9 | Margaret Donahue | 12 | daughter | None | Pennsylvania |
| 10 | Joseph Donahue | 10 | son | None | Pennsylvania |
| 11 | Mary Donahue | 8 | daughter | None | Pennsylvania |
| 12 | William Donahue | 6 | son | None | Pennsylvania |
| 13 | James Donahue | 4 | son | None | Pennsylvania |
| 14 | Ellen Wallace | 55 | Head-H | Salesman | Northern Ireland |
| 15 | William Stanton | 27 | nephew | Insurance | Northern Ireland |
| 16 | Thomas Stanton | 27 | nephew | Clerk | Northern Ireland |
| 17 | Zygmunt Markiewicz | 26 | Head | Chauffeur | Poland |
| 18 | Regina Markiewicz | 24 | wife-H | None | Pennsylvania |
| 19 | Edward Markiewicz | 5 | son | None | Pennsylvania |
| 20 | John Markiewicz | 3 | son | None | Pennsylvania |
| 21 | Theresa Markiewicz | 1 | son | None | Pennsylvania |
| 22 | Joseph Gorski | 25 | brother-in-law | Dish-Washer | Poland |
| 23 | James Logan | 51 | Head | Core-Maker | Pennsylvania |
| 24 | Mary Logan | 48 | wife-H | None | Pennsylvania |
| 25 | Edward Logan | 25 | son | Salesman | Pennsylvania |
| 26 | Thomas Logan | 22 | son | Fireman | Pennsylvania |
| 27 | Mary Logan THIS PERSON | 21 | daughter | Bookkeeper | Pennsylvania |
| 28 | Catherine Logan | 19 | daughter | Trimmer | Pennsylvania |
| 29 | James Logan | 13 | son | None | Pennsylvania |
| 30 | John Logan | 11 | son | None | Pennsylvania |
| 31 | Philip Logan | 40 | brother | Salesman | Pennsylvania |
| 32 | Thomas Logan | 25 | nephew | Chauffeur | Pennsylvania |
| 33 | Amelia Donagard | 60 | nephew | Laborer | Irish Free State |
| 34 | George Myer | 22 | Head | Car-Cleaner | Pennsylvania |
| 35 | Agnes Myer | 19 | wife-H | None | Pennsylvania |
| 36 | George Myer | 0 | son | None | Pennsylvania |
| 37 | Patrick Tierney | 32 | Head | Machinist | Pennsylvania |
| 38 | Mary Tierney | 30 | wife-H | Waitress | Virginia |
| 39 | Catherine Tierney | 8 | daughter | None | Pennsylvania |
| 40 | John Tierney | 6 | son | None | Pennsylvania |
| 41 | John Dundon | 23 | lodger | Laborer | Pennsylvania |
| 42 | John Dundon | 26 | lodger | Usher | Pennsylvania |
| 43 | Thomas Garris | 29 | lodger | Laborer | Pennsylvania |
| 44 | Thomas Ramsey | 53 | Head | Porter | Russia-Moscow |
| 45 | Stella Ramsey | 39 | wife-H | None | Poland |
| 46 | Mary Ramsey | 15 | daughter | None | Pennsylvania |
| 47 | Sophia Ramsey | 12 | daughter | None | Pennsylvania |
| 48 | Alina Ramsey | 10 | daughter | None | Pennsylvania |
| 49 | Helen Ramsey | 7 | daughter | None | Pennsylvania |
| 50 | Anna Ramsey | 5 | daughter | None | Pennsylvania |
Pedigree Summary
Mary + 5 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 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)