MH
Mary Holmes — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Holmes across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 12-person household.
Age 12
b. ~1918
Female
Daughter
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Holmes |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1918 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Miller | Daughter | — | 1 | ~1929 |
| Mary Holmes | Daughter | — | 12 | ~1918 |
| Rose Holmes | Daughter | — | 14 | ~1916 |
| Dorothy Miller | Daughter | — | 3 | ~1927 |
| Elsie Miller | Daughter | — | 6 | ~1924 |
| Daniel Holmes | Head | — | 40 | ~1890 |
| George Miller | Other | — | 32 | ~1898 |
| Charles Miller | Son | — | 9 | ~1921 |
| Patty Holmes | Son | — | 16 | ~1914 |
| Daniel Holmes | Son | — | 3 | ~1927 |
| Dorothy Miller | Spouse | — | 30 | ~1900 |
| Mary Holmes | Spouse | — | 40 | ~1890 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 12
Philadelphia, Pennsylvania · implied b. ~1918 — 12 household members
| Surname | Holmes |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 22
Philadelphia-County, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Penna. |
| 1935 Residence (City) | PHILADELPHIA |
| 1935 Residence (County) | PHILADELPHIA |
| Occupation | Office Clerk |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Holmes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Holmes
Daughter · 1930 · age 12 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Charles Miller
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Holmes
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Miller
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Holmes
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patty Holmes
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Miller
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Miller
Sibling · 1930 · age 6
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
48 people indexed on this census page (ia:1930:fifteenthcensus00reel2110:0176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel Holmes | 40 | Head | Ironworker | Penna |
| 2 | Mary Holmes | 40 | wife | None | Germany |
| 3 | Patty Holmes | 16 | son | None | Penna |
| 4 | Rose Holmes | 14 | daughter | None | Penna |
| 5 | Mary Holmes THIS PERSON | 12 | daughter | None | Penna |
| 6 | Daniel Holmes | 3 | son | None | Penna |
| 7 | George Miller | 32 | R | Chauffeur | Penna |
| 8 | Dorothy Miller | 30 | wife | None | Penna |
| 9 | Charles Miller | 9 | son | None | Penna |
| 10 | Elsie Miller | 6 | daughter | None | Penna |
| 11 | Dorothy Miller | 3 | daughter | None | Penna |
| 12 | Anna Miller | 1 | daughter | None | Penna |
| 13 | Harold O'Brien | 58 | Head | Janitor | Penna |
| 14 | Mary E O'Brien | 58 | wife | None | Penna |
| 15 | William A O'Brien | 28 | son | Bookkeeper | Penna |
| 16 | Annie M O'Brien | 12 | daughter | None | Penna |
| 17 | Edward O'Brien | 6 | son | None | Penna |
| 19 | David L Powers | 42 | Head | Machinist | Massachusetts |
| 20 | Margaret Powers | 37 | wife | None | Massachusetts |
| 21 | Theresa Powers | 16 | daughter | None | Penna |
| 22 | David Powers | 15 | son | None | Penna |
| 23 | Thomas Powers | 13 | son | None | Penna |
| 24 | William Powers | 10 | son | None | Penna |
| 25 | Margaret M Powers | 2 | daughter | None | Penna |
| 26 | William S Evington | 31 | Head | Assembler | Penna |
| 27 | Gertrude Evington | 32 | wife | None | Penna |
| 28 | Margaret Evington | 3 | daughter | None | Penna |
| 29 | Augusta Seher | 60 | Head | Electrician | Penna |
| 30 | Ellen Seher | 53 | wife | None | Penna |
| 31 | Russell Seher | 17 | son | None | Penna |
| 32 | Monroe Seher | 24 | son | Chauffeur | Penna |
| 33 | Hazel Seher | 20 | daughter | Stock Clerk | Penna |
| 34 | Michael Starca | 31 | Head | Ironworker | Penna |
| 35 | Mary Starca | 21 | wife | None | Penna |
| 36 | James Starca | 2 | son | None | Penna |
| 37 | Mary R Starca | 1 | daughter | None | Penna |
| 38 | Margaret Starca | 0 | daughter | None | Penna |
| 39 | George Nugent | 30 | Head | Carpenter | Penna |
| 40 | Anna Nugent | 28 | wife | None | Penna |
| 41 | George Nugent | 7 | son | None | Penna |
| 42 | Elsie Nugent | 4 | daughter | None | Penna |
| 43 | John Beck | 62 | Brother-law | Ironworker | Penna |
| 44 | Raymond Beck | 27 | Brother-law | Actor | Penna |
| 45 | John Beck | 31 | Brother-law | Ironworker | Penna |
| 46 | James Schaik | 37 | Head | Machinist | Penna |
| 47 | Mary Schaik | 37 | wife | None | Penna |
| 48 | June Schaik | 5 | daughter | None | Penna |
| 49 | Edna Schaik | 1 | daughter | None | Penna |
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)