MC
Mary Chambers — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Chambers across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & Agnes — first a daughter (b.~1891), then head of a 6-person household.
Age 39
b. ~1891
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Chambers |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1891 |
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 |
|---|---|---|---|---|
| Mary Chambers | Daughter | — | 39 | ~1891 |
| Agnes Chambers | Daughter | — | 32 | ~1898 |
| Frank Chambers | Head | — | 73 | ~1857 |
| Frank Chambers | Other | — | 83 | ~1847 |
| Frederick Chambers | Son | — | 43 | ~1887 |
| Agnes Chambers | Spouse | — | 70 | ~1860 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 18
Philadelphia, Pennsylvania · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Mary |
| 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 | Teacher |
| Industry | Music |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Daughter, age 28
Philadelphia, Pennsylvania · implied b. ~1892 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 39
Philadelphia, Pennsylvania · implied b. ~1891 — 6 household members
| Surname | Chambers |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Chambers across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father Frank Chambers (~0.92 confidence) and mother Agnes Chambers (~0.92 confidence) and father John Chambers (~0.92 confidence) and mother Margaret Chambers (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Chambers
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Agnes Chambers
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
John Chambers
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Margaret Chambers
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Chambers
Daughter · 1930 · age 39 · b. ~1891 · Pennsylvania
★ You are viewing this record
Sibling
Agnes Chambers
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Chambers
Sibling · 1930 · age 43
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:fifteenthcensus00reel2141:0948)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joan C O'Neil | 42 | Head | Teacher | Pennsylvania |
| 2 | Mary C O'Neil | 37 | Sister | — | Pennsylvania |
| 3 | George Miller | 52 | Head | Office Clerk | Pennsylvania |
| 4 | Elizabeth G Miller | 48 | Wife | — | Pennsylvania |
| 5 | George F Jr Miller | 12 | Son | — | Pennsylvania |
| 6 | Elizabeth G Miller | 10 | Daughter | — | Pennsylvania |
| 7 | Jessie H Hutchinson | 70 | Lodger | — | Pennsylvania |
| 8 | Margaret Gallagher | 65 | Head | — | Canada English |
| 9 | William J Gallagher | 35 | Son | Office Clerk | Pennsylvania |
| 10 | Alice C Gallagher | 37 | Daughter-in-law | Office Clerk | Pennsylvania |
| 11 | Maybelle F Gallagher | 35 | Daughter | — | Pennsylvania |
| 12 | Agatha M Gallagher | 34 | Daughter | Office Clerk | Pennsylvania |
| 13 | George J Gallagher | 71 | Brother | — | Pennsylvania |
| 14 | Clara E Parker | 40 | Lodger | — | Pennsylvania |
| 15 | Anna L Kramer | 17 | Maid | — | Pennsylvania |
| 16 | Howard S Beigh | 55 | Head | Asst. Cashier | Pennsylvania |
| 17 | Nellie E Beigh | 54 | Wife | — | Maryland |
| 18 | Howard S Jr Beigh | 26 | Son | Sales Mgr | Pennsylvania |
| 19 | Frank S Chambers | 73 | Head | Salesman | Pennsylvania |
| 20 | Agnes M Chambers | 70 | Wife | — | Pennsylvania |
| 21 | Frederick S Chambers | 43 | Son | — | Pennsylvania |
| 22 | Mary H Chambers THIS PERSON | 39 | Daughter | — | Pennsylvania |
| 23 | Agnes Chambers | 32 | Daughter | — | Pennsylvania |
| 24 | Frank S Chambers | 83 | Father | — | Pennsylvania |
| 25 | Emma S Eastwick | 73 | Head | — | Pennsylvania |
| 26 | George Eastwick | 44 | Son | Inspector | New Jersey |
| 27 | Nathaniel Melhorn | 58 | Head | Clergy | Ohio |
| 28 | Florence Melhorn | 60 | Wife | — | Ohio |
| 29 | Nathaniel R Jr Melhorn | 20 | Son | Engineer | Pennsylvania |
| 30 | Harvey Watson Melhorn | 21 | Son | — | Pennsylvania |
| 31 | George G Steel | 76 | Head | — | Pennsylvania |
| 32 | Emma H Steel | 69 | Wife | — | Pennsylvania |
| 33 | Marian Steel | 39 | Daughter | — | Pennsylvania |
| 34 | Palmer Fullerton | 32 | Head | — | New Jersey |
| 35 | Clark Elizabeth Fullerton | 33 | Wife | — | New Jersey |
| 36 | Richard S Fullerton | 34 | Son | Salesman | District of Columbia |
| 37 | Gordon Phillips | 80 | Head | — | Maryland |
| 38 | Hannah M Phillips | 67 | Wife | — | Pennsylvania |
| 39 | Marion Stalmaker | 78 | Head | — | Pennsylvania |
| 40 | L. Jeanette Stalmaker | 45 | Daughter | — | Pennsylvania |
| 41 | Fuller Elizabeth Stalmaker | 48 | Sister | — | Pennsylvania |
| 42 | William B Mount | 52 | Head | — | Pennsylvania |
| 43 | Mary M Mount | 52 | Wife | Teacher | Pennsylvania |
| 44 | Russell B Mount | 20 | Son | Office Clerk | Pennsylvania |
| 45 | Philip B Mount | 22 | Son | Office Clerk | Pennsylvania |
| 46 | Julia F Mount | 23 | Daughter | — | Pennsylvania |
| 47 | Caroline C Edwards | 75 | Head | — | Pennsylvania |
| 48 | Frances G Edwards | 48 | Daughter | — | Pennsylvania |
| 49 | Charles F Edwards | 15 | Grandson | — | Pennsylvania |
| 50 | James Bradley | 58 | Head | Sexton | Ireland |
Pedigree Summary
Mary + 2 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)