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Thelma Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this Thelma Thomas across the 1920, 1930 and 1940 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed), with identified parents Henry & James — first a daughter (b.~1917), then head of a 12-person household.
Age 13
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Pennsylvania |
| Surname | Thomas |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| 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 | Chester City |
| Est. Birth Year | ~1917 |
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 Thelma | Age | Birth yr |
|---|---|---|---|---|
| Greta Matthews | Other | — | 26 | ~1904 |
| Doris Thomas | Daughter | — | 6 | ~1924 |
| Rhoda Williams | Other | — | 56 | ~1874 |
| Alice Thomas | Daughter | — | 1 | ~1929 |
| Bernice Thomas | Daughter | — | 9 | ~1921 |
| Arman Thomas | Son | — | 3 | ~1927 |
| James Thomas | Head | — | 35 | ~1895 |
| Thelma Thomas | Daughter | — | 13 | ~1917 |
| Charlotte Thomas | Other | — | 65 | ~1865 |
| Marion Thomas | Son | — | 18 | ~1912 |
| Alice Thomas | Spouse | — | 35 | ~1895 |
| Evelyn Thomas | Daughter | — | 15 | ~1915 |
Census Appearances
1920
Delaware, Pennsylvania
Other, age 2
Delaware, Pennsylvania · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Theresa |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Daughter, age 13
Delaware, Pennsylvania · implied b. ~1917 — 12 household members
| Surname | Thomas |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| 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
York-County, Pennsylvania
Daughter, age 21
York-County, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Treva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | York |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Thomas (~0.92 confidence) and father James Thomas (~0.92 confidence) and father James Thomas (~0.84 confidence) and mother Lottie Thomas (~0.84 confidence) and mother Alice Thomas (~0.92 confidence) and mother Jennie Thomas (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
Henry Thomas
b. ~1892
Source father
● Household
· direct · ~0.92
Father
James Thomas
b. ~1895
Source father
● Household
· direct · ~0.92
Father
James Thomas
b. ~1864
Source father>father
● Household
· direct · ~0.84
Mother
Lottie Thomas
b. ~1864
Source father>mother
● Household
· direct · ~0.84
Mother
Alice Thomas
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Jennie Thomas
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Thomas
Daughter · 1930 · age 13 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Doris Thomas
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Thomas
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Thomas
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Thomas
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Thomas
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arman Thomas
Sibling · 1930 · age 3
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 — Delaware, Pennsylvania
Open full size
1930 US Federal Census — Delaware, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2030:0129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Russell Collins | 23 | Roomer | Laborer | Maryland |
| 2 | Bernice Collins | 19 | Roomer | — | Maryland |
| 3 | Charles Reed | 46 | Head | Laborer | Maryland |
| 4 | Mary Reed | 44 | Wife | — | Maryland |
| 5 | Sara Reed | 15 | Daughter | — | Pennsylvania |
| 6 | Seven Coats | 25 | Roomer | Laborer | Maryland |
| 7 | Annie Coats | 22 | Roomer | — | Maryland |
| 8 | Raymond Jones | 55 | Head | Laborer | Michigan |
| 9 | Annie Jones | 40 | Wife | — | Maryland |
| 10 | John Hall | 5 | Son | — | Maryland |
| 11 | Myrtle Hall | 25 | Daughter | Laborer | Maryland |
| 12 | Mary Henry | 32 | Head | Maid | Maryland |
| 13 | Theodore Henry | 21 | Brother | Maid | Maryland |
| 14 | John Henry | 22 | Brother | Laborer | Maryland |
| 15 | Phillip Henry | 18 | Brother | Laborer | Maryland |
| 16 | Dora Henry | 20 | Sister | — | Maryland |
| 17 | Hazel Henry | 11 | Daughter | — | Maryland |
| 18 | Daniel Holiday | 22 | Boarder | — | Maryland |
| 19 | Shepard Blackwell | 56 | Head | Laborer | Delaware |
| 20 | Susie Blackwell | 55 | Wife | — | Maryland |
| 21 | Herman Blackwell | 37 | Son | — | Pennsylvania |
| 22 | Joseph Blackwell | 25 | Son | Laborer | Pennsylvania |
| 23 | Wallace Blackwell | 23 | Son | — | Pennsylvania |
| 24 | Marie Blackwell | 20 | Daughter | Teacher | Pennsylvania |
| 25 | Paul Blackwell | 22 | Son | — | Pennsylvania |
| 26 | Viola Blackwell | 15 | Daughter | — | Pennsylvania |
| 27 | Mollie Levenson | 50 | Head | Merchant | Russia |
| 28 | Morris Levenson | 27 | Son | Merchant | Russia |
| 29 | Abraham Levenson | 26 | Son | Mechanic | Russia |
| 30 | Bradford Murray | 41 | Head | — | Maryland |
| 31 | Mary Murray | 40 | Wife | — | Maryland |
| 32 | Juanita Murray | 15 | Daughter | — | Pennsylvania |
| 33 | Maureen Murray | 12 | Daughter | — | Pennsylvania |
| 34 | Lawrence Murray | 8 | Son | — | Pennsylvania |
| 35 | Bradford Murray | 4 | Son | — | Pennsylvania |
| 36 | James Thomas | 35 | Head | Laborer | Pennsylvania |
| 37 | Alice Thomas | 35 | Wife | — | Pennsylvania |
| 38 | Marion Thomas | 18 | Son | Laborer | Pennsylvania |
| 39 | Evelyn Thomas | 15 | Daughter | — | Pennsylvania |
| 40 | Thelma Thomas THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 41 | Bernice Thomas | 9 | Daughter | — | Pennsylvania |
| 42 | Doris Thomas | 6 | Daughter | — | Pennsylvania |
| 43 | Arman Thomas | 3 | Son | — | Pennsylvania |
| 44 | Alice L. Thomas | 1 | Daughter | — | Pennsylvania |
| 45 | Charlotte Thomas | 65 | Mother | — | Maryland |
| 46 | Rhoda Williams | 56 | Mother-in-law | — | Pennsylvania |
| 47 | Greta Matthews | 26 | Cousin | Maid | Pennsylvania |
| 48 | Charles Henry | 41 | Head | Chauffeur | New Jersey |
| 49 | Eula Henry | 39 | Wife | — | Georgia |
| 50 | Herman Brown | 20 | Roomer | Laborer | Virginia |
Pedigree Summary
Thelma + 6 siblings
Gen 1 · 4 parents
~0.92
Gen 2 · 2 grandparents
~0.84
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)