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Mildred Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this Mildred Thomas across the 1910, 1920 and 1930 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & James — first a daughter (b.~1910), then head of a 4-person household.
Age 20
b. ~1910
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Pennsylvania |
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Jewelry Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | East Lansdowne |
| Est. Birth Year | ~1910 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Martha Thomas | Daughter | — | 19 | ~1911 |
| Mildred Thomas | Daughter | — | 20 | ~1910 |
| Thomas Thomas | Head | — | 56 | ~1874 |
| Violetta Thomas | Spouse | — | 54 | ~1876 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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 10
Philadelphia, Pennsylvania · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Daughter, age 20
Delaware, Pennsylvania · implied b. ~1910 — 4 household members
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stenographer |
| Industry | Jewelry Shop |
| 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 Mildred Thomas across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Thomas (~0.92 confidence) and father James Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and father Thomas Thomas (~0.92 confidence) and mother Violetta Thomas (~0.92 confidence) and mother Grace Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Father
James Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Thomas Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Violetta Thomas
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Grace Thomas
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Thomas
Daughter · 1930 · age 20 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Martha Thomas
Sibling · 1930 · age 19
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
47 people indexed on this census page (ia:1930:fifteenthcensus00reel2030:1014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Josephine Summersgill | 24 | daughter | — | Pennsylvania |
| 52 | James W. Carson | 53 | Head | Electrician | Pennsylvania |
| 53 | Florence Carson | 52 | Wife | — | Pennsylvania |
| 54 | Thelma D. Carson | 13 | Daughter | — | Pennsylvania |
| 55 | Mildred C. Carson | 11 | Daughter | — | Pennsylvania |
| 56 | Ralph C. Carson | 10 | Son | — | New Jersey |
| 57 | James W. Carson | 5 | Son | — | Pennsylvania |
| 58 | Florence Carson | 4 | Daughter | — | Pennsylvania |
| 59 | J. Horace Snyder | 50 | Head | Sugar Maker | Pennsylvania |
| 60 | Elizabeth F. Snyder | 46 | Wife | — | Pennsylvania |
| 61 | Alma I. Snyder | 23 | Daughter | Stenographer | Pennsylvania |
| 62 | Edith E. Snyder | 22 | Daughter | File Clerk | Pennsylvania |
| 63 | Martha Pickers | 80 | Mother | — | Maryland |
| 64 | William Carr | 25 | Boarder | Salesman | Pennsylvania |
| 65 | Thomas J. Thomas | 56 | Head | Sheet Metal | Pennsylvania |
| 66 | Violetta Thomas | 54 | Wife | — | Pennsylvania |
| 67 | Mildred Thomas THIS PERSON | 20 | Daughter | Stenographer | Pennsylvania |
| 68 | Martha Thomas | 19 | Daughter | — | Connecticut |
| 69 | John F. Mullin | 38 | Head | Plumber | Pennsylvania |
| 70 | Lydia Mullin | 35 | Wife | — | Pennsylvania |
| 71 | John F. Mullin | 8 | Son | — | Pennsylvania |
| 72 | Edward Egan | 51 | Head | Manager | Pennsylvania |
| 73 | Catherine Egan | 27 | Wife | — | Pennsylvania |
| 74 | Edward Egan | 6 | Son | — | Pennsylvania |
| 75 | James Egan | 3 | Son | — | Pennsylvania |
| 76 | Catherine Egan | 2 | Daughter | — | Pennsylvania |
| 77 | Mary Smith | 59 | Sister | — | Virginia |
| 78 | Charles Zimmerman | 34 | Head | Manager | Pennsylvania |
| 79 | Mabel Zimmerman | 27 | Wife | — | Pennsylvania |
| 80 | Dorothy Zimmerman | 10 | Daughter | — | Pennsylvania |
| 81 | Jr. William Zimmerman | 8 | Son | — | Pennsylvania |
| 82 | Betty Zimmerman | 6 | Daughter | — | Pennsylvania |
| 83 | Beatrice Zimmerman | 4 | Daughter | — | Pennsylvania |
| 84 | Charles H. King | 65 | Head | Salesman | England |
| 85 | Horace G. King | 42 | Son | Salesman | England |
| 86 | Matilda Herbst | 69 | Head | Charter Member | New York |
| 87 | Robert W. Church | 54 | Brother | Electrical Engineer | Pennsylvania |
| 88 | John E. Devers | 39 | Head | Jeweler | Pennsylvania |
| 89 | Mary S. Devers | 33 | Wife | — | Pennsylvania |
| 90 | John E. Devers | 12 | Son | — | Pennsylvania |
| 91 | Mary Devers | 11 | Daughter | — | Pennsylvania |
| 92 | Sara Devers | 10 | Daughter | — | Pennsylvania |
| 93 | Phyllis Devers | 9 | Daughter | — | Pennsylvania |
| 94 | Madeline Devers | 5 | Daughter | — | Pennsylvania |
| 95 | William C. Wood | 36 | Head | Baker | Pennsylvania |
| 96 | Hester Wood | 36 | Wife | — | New Jersey |
| 97 | John Wood | 15 | Son | — | New Jersey |
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 6 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)