MH
Mary Holden — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Holden across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 6-person household.
Age 16
b. ~1914
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Holden |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1914 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Brandau | Other | — | 4 | ~1926 |
| John Holden | Son | — | 17 | ~1913 |
| Charles Holden | Son | — | 6 | ~1924 |
| Mary Holden | Daughter | — | 16 | ~1914 |
| Mary Holden | Head | — | 43 | ~1887 |
| Marie Brandau | Daughter | — | 23 | ~1907 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 16
Philadelphia, Pennsylvania · implied b. ~1914 — 6 household members
| Surname | Holden |
| Given Name | Mary |
| 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
Philadelphia-County, Pennsylvania
Daughter, age 25
Philadelphia-County, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holden |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Stenographer |
| Industry | Electric Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Holden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Holden
Daughter · 1930 · age 16 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Marie Brandau
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Holden
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Holden
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
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2104:0942)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isaac S. Shilee | 53 | Head | Mail Carrier | Pennsylvania |
| 2 | Robert B. Shilee | 21 | Son | Salesman | Pennsylvania |
| 3 | George M. Shilee | 18 | Son | Purchasing Clerk | Pennsylvania |
| 4 | Sarah R. Shilee | 12 | Daughter | — | Pennsylvania |
| 5 | Sarah R. Kurtz | 78 | Mother-in-law | — | Pennsylvania |
| 6 | Robert Woodrow | 31 | Head | Manager | North Ireland |
| 7 | Agnes S. Woodrow | 30 | Wife | — | North Ireland |
| 8 | Robert S. Woodrow | 2 | Son | — | Pennsylvania |
| 9 | Walter Thomas | 50 | Head | Metal Lather | Pennsylvania |
| 10 | Edith Thomas | 50 | Wife | — | Pennsylvania |
| 11 | Gertrude Elliott | 21 | Niece | Bookkeeping | Pennsylvania |
| 12 | Mary Holden | 43 | Head | Appraiser | Pennsylvania |
| 13 | John Holden | 17 | Son | Office Boy | Pennsylvania |
| 14 | Mary Holden THIS PERSON | 16 | Daughter | — | Pennsylvania |
| 15 | Charles Holden | 6 | Son | — | Pennsylvania |
| 16 | Marie Brandau | 23 | Daughter | Operator | Pennsylvania |
| 17 | George Brandau | 4 | Grandson | — | Pennsylvania |
| 18 | Charles W. Reel | 40 | Head | Purchasing Agent | Pennsylvania |
| 19 | Sara M. Reel | 37 | Wife | — | Delaware |
| 20 | Sara Marie Reel | 4 | Daughter | — | Pennsylvania |
| 21 | Elmer H. Stumm | 33 | Head | Passenger Clerk | Pennsylvania |
| 22 | Elizabeth A. Stumm | 33 | Wife | — | Scotland |
| 23 | Anita Stumm | 1 | Daughter | — | Pennsylvania |
| 24 | Edward Stumm | 79 | Father | Salesman | Germany |
| 25 | Rosa Stumm | 75 | Mother | — | Maryland |
| 26 | Joseph Stumm | 39 | Head | Accountant | Pennsylvania |
| 27 | Rose Stumm | 35 | Wife | — | Pennsylvania |
| 28 | Joseph Stumm | 15 | Son | — | Pennsylvania |
| 29 | Eleanor Stumm | 11 | Daughter | — | Pennsylvania |
| 30 | Dorothy Stumm | 9 | Daughter | — | Pennsylvania |
| 31 | Patrick Mccole | 54 | Head | Laborer | North Ireland |
| 32 | Matilda Mccole | 46 | Wife | — | North Ireland |
| 33 | Walter O'Range | 76 | Head | — | Canada English |
| 34 | Carrie E. O'Range | 69 | Wife | File Clerk | Pennsylvania |
| 35 | Albert B. Shaffer | 67 | Head | Foreman | Pennsylvania |
| 36 | Elizabeth Shaffer | 63 | Wife | — | Pennsylvania |
| 37 | Muriel Shaffer | 29 | Daughter | — | Pennsylvania |
| 38 | Charles Dravneek | 65 | Head | Stone Cutter | Pennsylvania |
| 39 | Anna Dravneek | 63 | Wife | — | Pennsylvania |
| 40 | Louis Siefken | 36 | Son-in-law | Brakeman | New York |
| 41 | Edith Siefken | 37 | Daughter | — | Pennsylvania |
| 42 | Louis Siefken | 12 | Grandson | — | Delaware |
| 43 | Edward Siefken | 8 | Grandson | — | Pennsylvania |
| 44 | Hilda Nickerson | 27 | Lodger | Bookkeeping | Maryland |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | Dorothy Stumm | 2 | Daughter | — | Pennsylvania |
| 50 | — | None | — | — | — |
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)