CT
Catherine Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Catherine Thomas across the 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Eugene & Lillian — first a daughter (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Thomas |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1909 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| William Thomas | Son | — | 18 | ~1912 |
| Catherine Thomas | Daughter | — | 21 | ~1909 |
| Lillian Thomas | Spouse | — | 51 | ~1879 |
| Eugene Thomas | Head | — | 58 | ~1872 |
Census Appearances
1910
Baltimore, Maryland
Daughter, age 1
Baltimore, Maryland · implied b. ~1909 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
X, Maryland
Daughter, age 12
X, Maryland · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 21
Baltimore, Maryland · implied b. ~1909 — 4 household members
| Surname | Thomas |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Catherine Thomas across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Eugene Thomas (~0.92 confidence) and mother Lillian Thomas (~0.92 confidence) and father Wm Thomas (~0.92 confidence) and mother Annie Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lillian Thomas
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Wm Thomas
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Annie Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Catherine Thomas
Daughter · 1930 · age 21 · b. ~1909 · Maryland
★ You are viewing this record
Sibling
William Thomas
Sibling · 1930 · age 18
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
49 people indexed on this census page (ia:1930:15thcensus859unit:0660)
| Line | Name | Age | Relation | Birthplace |
|---|---|---|---|---|
| 1 | Annie | 41 | Head | Germany |
| 3 | Eugene F Thomas | 58 | Head | Maryland |
| 4 | Lillian Thomas | 51 | Wife | Maryland |
| 5 | Catherine Thomas THIS PERSON | 21 | Daughter | Maryland |
| 6 | William Thomas | 18 | Son | Maryland |
| 7 | J West Stockett | 53 | Head | Maryland |
| 8 | Mary Stockett | 51 | Wife | Maryland |
| 9 | Courtney Stockett | 18 | Daughter | Maryland |
| 10 | Martha Stockett | 16 | Daughter | Maryland |
| 11 | Thomas Stockett | 14 | Son | Maryland |
| 12 | Elizabeth Stockett | 11 | Daughter | Maryland |
| 13 | Ann Stockett | 9 | Daughter | Maryland |
| 14 | John Stockett | 7 | Son | Maryland |
| 15 | Stockett | None | — | — |
| 16 | Stockett | None | — | North Ireland |
| 17 | Stockett | None | — | — |
| 18 | Stockett | None | — | — |
| 19 | Stockett | None | — | — |
| 20 | Stockett | None | — | — |
| 21 | Stockett | None | — | Virginia |
| 22 | Stockett | None | — | — |
| 23 | Stockett | None | — | — |
| 24 | Stockett | None | — | — |
| 25 | Stockett | None | — | — |
| 26 | Stockett | None | — | — |
| 27 | Stockett | None | — | — |
| 28 | Stockett | None | — | — |
| 29 | Stockett | None | — | — |
| 30 | Stockett | None | — | — |
| 31 | Stockett | None | — | Maryland |
| 32 | Stockett | None | — | — |
| 33 | Cyrus Grey | 30 | Head | Maryland |
| 34 | Frances Grey | 28 | Wife | New York |
| 35 | Richard Grey | 7 | Son | Maryland |
| 36 | Leo Roth | 52 | Head | Germany |
| 37 | Roth | 52 | Wife | New York |
| 38 | Thomas Theis | 35 | Head | South Carolina |
| 39 | Lillian Theis | 37 | Wife | District of Columbia |
| 40 | James Milton Theis | None | Boarder | — |
| 41 | George Theis | None | Boarder | — |
| 42 | George Walter S Theis | None | Boarder | — |
| 43 | George H Dawson | 54 | Head | Pennsylvania |
| 44 | Margaret Dawson | 41 | Wife | Pennsylvania |
| 45 | Jack Dawson | 18 | Son | Maryland |
| 46 | Frank Albert | 61 | Head | Maryland |
| 47 | Mary Albert | 58 | Wife | Maryland |
| 48 | William Keith Albert | 26 | Son | Maryland |
| 49 | Samuel G Thompson | 52 | Head | Maryland |
| 50 | Ella V Thompson | 74 | Mother | Maryland |
Pedigree Summary
Catherine + 1 sibling
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)