BJ
Bertha Jones — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Bertha Jones across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Theresa — first a daughter (b.~1903), then head of a 4-person household.
Age 27
b. ~1903
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Jones |
| Given Name | Bertha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | teacher |
| Industry | Public school |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1903 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Grace Jones | Daughter | — | 20 | ~1910 |
| Bertha Jones | Daughter | — | 27 | ~1903 |
| Henry Jones | Head | — | 54 | ~1876 |
| Katherine Jones | Other | — | 49 | ~1881 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 6
Philadelphia, Pennsylvania · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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 16
Philadelphia, Pennsylvania · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesgirl |
| Industry | Gimbel Bros |
| 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 27
Philadelphia, Pennsylvania · implied b. ~1903 — 4 household members
| Surname | Jones |
| Given Name | Bertha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | teacher |
| Industry | Public school |
| 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 Bertha Jones across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father Charles Jones (~0.92 confidence) and mother Theresa Jones (~0.92 confidence) and father Henry Jones (~0.92 confidence) and mother Lillie Jones (~0.92 confidence) and mother Tillie Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Jones
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Theresa Jones
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Henry Jones
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Lillie Jones
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Tillie Jones
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bertha Jones
Daughter · 1930 · age 27 · b. ~1903 · Pennsylvania
★ You are viewing this record
Sibling
Grace Jones
Sibling · 1930 · age 20
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:fifteenthcensus00reel2129:0586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Hyman Selvin | 35 | head | Cap Maker | Russia |
| 52 | Ida Selvin | 35 | wife-h | — | Russia |
| 53 | Mollie Selvin | 12 | daughter | — | Pennsylvania |
| 54 | Elsie Selvin | 10 | daughter | — | Pennsylvania |
| 55 | Harold Selvin | 5 | son | — | Pennsylvania |
| 56 | Frank Raffel | 25 | head | Teacher | Russia |
| 57 | Rose Raffel | 22 | wife-h | Bookkeeper | New Jersey |
| 58 | Dora Raffel | 48 | mother | — | Russia |
| 59 | Joseph Cochran | 47 | head | Trucker | Pennsylvania |
| 60 | Martha Cochran | 43 | wife-h | None | Scotland |
| 61 | Joseph Jr. Cochran | 17 | son | Clerk | Pennsylvania |
| 62 | Catherine Cochran | 16 | daughter | — | Pennsylvania |
| 63 | Mary R. Cochran | 13 | daughter | — | Pennsylvania |
| 64 | Martha Cochran | 12 | daughter | — | Pennsylvania |
| 65 | Mary Drew | 59 | head-L | None | Irish Free State |
| 66 | Mary A. Drew | 25 | daughter | Hairdresser | Pennsylvania |
| 67 | Mary Joseph | 47 | head-L | None | Pennsylvania |
| 68 | John Joseph | 26 | son | Bookkeeper | Pennsylvania |
| 69 | Owen King | 36 | brother | Watchman | Pennsylvania |
| 70 | Annie King | 35 | sister | — | Pennsylvania |
| 71 | Frederick Vogel | 33 | head | Bookkeeper | Pennsylvania |
| 72 | Charlotte Vogel | 28 | wife-h | None | Germany |
| 73 | Charles Cramer | 29 | head | Clerk | Pennsylvania |
| 74 | Margaret Cramer | 30 | wife-h | None | Pennsylvania |
| 75 | Elizabeth Cramer | 4 | daughter | — | Pennsylvania |
| 76 | Thomas Laughlin | 27 | bro-in-law | Fireman | Pennsylvania |
| 77 | Thomas Dennis | 35 | head | Foreman | Pennsylvania |
| 78 | Agnes Dennis | 34 | wife-h | None | Pennsylvania |
| 79 | Thomas J. Dennis | 4 | son | — | Pennsylvania |
| 80 | James Johnston | 40 | head | Draftsman | Pennsylvania |
| 81 | Donna Johnston | 35 | wife-h | None | Pennsylvania |
| 82 | Alexander Chain | 37 | head | Merchant | Russia |
| 83 | Helen Chain | 36 | wife-h | None | Russia |
| 84 | Selma Chain | 12 | daughter | — | Pennsylvania |
| 85 | Jeannette Chain | 7 | daughter | — | Pennsylvania |
| 86 | Henry Jones | 54 | head | Civil Engineer | Pennsylvania |
| 87 | Katherine Jones | 49 | wife-h | None | Pennsylvania |
| 88 | Bertha Jones THIS PERSON | 27 | daughter | Teacher | Pennsylvania |
| 89 | Grace Jones | 20 | daughter | — | Pennsylvania |
| 90 | Margaret E. Kelton | 60 | head | None | Irish Free State |
| 91 | Annie G. Kelton | 34 | daughter | None | Pennsylvania |
| 92 | Margaret M. Kelton | 30 | daughter | Clerk | Pennsylvania |
| 93 | Harry Beltz | 44 | head | Erecting Engineer | Pennsylvania |
| 94 | Bertha Beltz | 43 | wife-h | None | Pennsylvania |
| 95 | Charles P. Mccarron | 58 | head | None | Pennsylvania |
| 96 | Alice Mccarron | 57 | wife-h | None | Pennsylvania |
| 97 | Harry Wagenmuller | 50 | head | Manufacturer | Pennsylvania |
| 98 | Helene Wagenmuller | 42 | wife-h | None | New York |
| 99 | Harry Jr. Wagenmuller | 19 | son | None | New York |
| 100 | John Derrickson | 49 | head | Stationary Engineer | Delaware |
Pedigree Summary
Bertha + 1 sibling
Gen 1 · 5 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)