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Thelma Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Thelma Williams across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 11-person household.
Age 16
b. ~1914
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Williams | Daughter | — | 16 | ~1914 |
| Estelle Williams | Daughter | — | 11 | ~1919 |
| George Mason | Head | — | 38 | ~1892 |
| Carrie Saunders | Other | — | 42 | ~1888 |
| Theodore Mason | Son | — | 1 | ~1929 |
| George Mason | Son | — | 4 | ~1926 |
| Floyd Mason | Son | — | 2 | ~1928 |
| Richard Williams | Son | — | 10 | ~1920 |
| William Williams | Son | — | 9 | ~1921 |
| Robert Williams | Son | — | 13 | ~1917 |
| Floyd Mason | Spouse | — | 34 | ~1896 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Thelma M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 16
Philadelphia, Pennsylvania · implied b. ~1914 — 11 household members
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Virginia |
| 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 Thelma Williams across 2 US Census years (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Williams
Daughter · 1930 · age 16 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
William Williams
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mason
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Estelle Williams
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Mason
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Williams
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Mason
Sibling · 1930 · age 1
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:fifteenthcensus00reel2095:0704)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Lindsey | 32 | Head | Laborer | N. Carolina |
| 2 | Josephine Davis | 24 | Lodger | Saleslady | Pennsylvania |
| 3 | Robert Davis | 24 | Lodger | — | Pennsylvania |
| 4 | Ida Davis | 5 | Lodger | — | Pennsylvania |
| 5 | Phyllis Davis | 2 | Lodger | — | Pennsylvania |
| 6 | Charles T. Davis | 1 | Lodger | — | Pennsylvania |
| 7 | Thomas Davis | 7 | Lodger | — | Pennsylvania |
| 8 | William H. Collins | 23 | Lodger | Chauffeur | Pennsylvania |
| 9 | William Jr. Collins | 1 | Lodger | — | Pennsylvania |
| 10 | Gladys Evans | 18 | Lodger | Typist | Pennsylvania |
| 11 | Raymond Howell | 43 | Head | Laborer | Florida |
| 12 | Nellie Howell | 45 | Wife | — | Florida |
| 13 | James Howell | 12 | Son | — | Florida |
| 14 | Betty Howell | 10 | Daughter | — | Florida |
| 15 | Alice Howell | 9 | Son | — | Florida |
| 16 | Raymond Howell | 8 | Son | — | Florida |
| 17 | Robert Tate | 34 | Lodger | Chauffeur | Maryland |
| 18 | Robert Hefery | 35 | Lodger | Laborer | Virginia |
| 19 | George Carter | 32 | Lodger | Laborer | Maryland |
| 20 | Sarah Carter | 28 | Lodger | — | Maryland |
| 21 | William Milkey | 55 | Head | Laborer | Maryland |
| 22 | Jessie Milkey | 50 | Wife | — | Pennsylvania |
| 23 | William Jr. Milkey | 13 | Son | — | Pennsylvania |
| 24 | Hattie Milkey | 10 | Daughter | — | Pennsylvania |
| 25 | Lillian Milkey | 16 | Daughter | Servant | Pennsylvania |
| 26 | Lucy Milkey | 17 | Daughter | Servant | Pennsylvania |
| 27 | Alice Milkey | 21 | Daughter | Waitress | Pennsylvania |
| 28 | William H. Beard | 56 | Head | Clerk | Pennsylvania |
| 29 | Rose Beard | 40 | Wife | — | New York |
| 30 | Marie Lacela | 16 | Stepdaughter | — | New York |
| 31 | Olga Leonard | 16 | Daughter | — | Pennsylvania |
| 32 | William Jr. Leonard | 13 | Son | — | Pennsylvania |
| 33 | James Scott Leonard | 11 | Son | — | Pennsylvania |
| 34 | Alonzo Leonard | 8 | Son | — | Pennsylvania |
| 35 | George Mason | 38 | Head | Laborer | Ohio |
| 36 | Floyd Mason | 34 | Wife | — | Virginia |
| 37 | Thelma Williams THIS PERSON | 16 | Daughter | — | Pennsylvania |
| 38 | Robert Williams | 13 | Son | — | Pennsylvania |
| 39 | Estelle Williams | 11 | Daughter | — | Pennsylvania |
| 40 | Richard Williams | 10 | Son | — | Pennsylvania |
| 41 | William Williams | 9 | Son | — | Pennsylvania |
| 42 | George Jr. Mason | 4 | Son | — | Pennsylvania |
| 43 | Floyd Mason | 2 | Son | — | Pennsylvania |
| 44 | Theodore Mason | 1 | Son | — | Pennsylvania |
| 45 | Carrie Saunders | 42 | Lodger | Laborer | Virginia |
| 46 | Lavinia Paul | 60 | Head | Servant | Pennsylvania |
| 47 | Cora Magee | 40 | Daughter | Servant | Pennsylvania |
| 48 | Eugene Williams | 16 | Lodger | Laborer | Pennsylvania |
| 49 | Robert Williams | 13 | Son | — | Pennsylvania |
| 50 | Raymond Mckinney | 39 | Lodger | Laborer | Virginia |
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)