DT
Dora Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Dora Thomas across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 8-person household.
Age 38
b. ~1892
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Thomas |
| Given Name | Dora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1892 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dora | Age | Birth yr |
|---|---|---|---|---|
| Philip Thomas | Son | — | 3 | ~1927 |
| Michael Thomas | Head | — | 40 | ~1890 |
| Irene Thomas | Daughter | — | 5 | ~1925 |
| Edward Thomas | Son | — | 6 | ~1924 |
| Helen Thomas | Daughter | — | 16 | ~1914 |
| Anna Thomas | Daughter | — | 13 | ~1917 |
| Dora Thomas | Spouse | — | 38 | ~1892 |
| Theodore Thomas | Son | — | 17 | ~1913 |
Census Appearances
1930
Baltimore, Maryland
Spouse, age 38
Baltimore, Maryland · implied b. ~1892 — 8 household members
| Surname | Thomas |
| Given Name | Dora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Spouse, age 49
Baltimore-County, Maryland · implied b. ~1891 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy L (X) |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 11 |
| 1935 Residence (County) | Baltimore |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| 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 Dora Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dora Thomas
Spouse · 1930 · age 38 · b. ~1892 · Maryland
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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
46 people indexed on this census page (ia:1930:15thcensus848unit:0035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 53 | Leon Jakubczyk | 36 | Head | Laborer | Poland |
| 54 | Martha Jakubczyk | 35 | Wife | — | Maryland |
| 55 | Michael Jakubczyk | 12 | Son | — | Maryland |
| 56 | Bernard Jakubczyk | 10 | Son | — | Maryland |
| 57 | Martha Jakubczyk | 4 | Daughter | — | Maryland |
| 58 | John Miller | 36 | Head | Laborer | Maryland |
| 59 | Martha Miller | 32 | Wife | — | Maryland |
| 60 | Goldie Green | 17 | Stepdaughter | — | Maryland |
| 61 | William Greenborn | 36 | Head | Chauffeur | Maryland |
| 62 | Connie Greenborn | 30 | Wife | — | Maryland |
| 63 | George Greenborn | 11 | Son | — | Maryland |
| 64 | William Jr. Greenborn | 9 | Son | — | Maryland |
| 65 | Anna Greenborn | 5 | Daughter | — | Maryland |
| 66 | Marie Greenborn | 1 | Daughter | — | Maryland |
| 67 | Harvey Spicer | 60 | Head | — | Maryland |
| 68 | Maggie Spicer | 57 | Wife | — | Maryland |
| 69 | Gabriel Spicer | 9 | Grandson | — | Maryland |
| 70 | Albert G. Urlahs | 30 | Head | Fire Fighter | Maryland |
| 71 | Elizabeth Urlahs | 34 | Wife | — | Pennsylvania |
| 72 | Albert Jr. Urlahs | 11 | Son | — | Maryland |
| 73 | Madalene Urlahs | 10 | Daughter | — | Maryland |
| 74 | Herbert B. Urlahs | 8 | Son | — | Maryland |
| 75 | Catherine Urlahs | 7 | Daughter | — | Maryland |
| 76 | Virginia Urlahs | 5 | Daughter | — | Maryland |
| 77 | Albert Robinson | 27 | Head | Salesman | Maryland |
| 78 | Caroline Robinson | 26 | Wife | — | Maryland |
| 79 | Margaret Robinson | 5 | Daughter | — | Maryland |
| 80 | Kenneth Robinson | 2 | Son | — | Maryland |
| 81 | Michael O'Neil | 35 | Head | Laborer | Maryland |
| 82 | Sophie O'Neil | 47 | Wife | Seamstress | Maryland |
| 83 | Joseph Dunker | 22 | Nephew | Collector | Maryland |
| 84 | Michael Thomas | 40 | Head | Helper | Maryland |
| 85 | Dora Thomas THIS PERSON | 38 | Wife | — | Maryland |
| 86 | Theodore Thomas | 17 | Son | Laborer | Maryland |
| 87 | Helen Thomas | 16 | Daughter | — | Maryland |
| 88 | Anna Thomas | 13 | Daughter | — | Maryland |
| 89 | Edward Thomas | 6 | Son | — | Maryland |
| 90 | Irene Thomas | 5 | Daughter | — | Maryland |
| 91 | Philip Thomas | 3 | Son | — | Maryland |
| 92 | Mitchell Hojnacki | 43 | Head | Disabled | Poland |
| 93 | Mary Hojnacki | 42 | Wife | — | Poland |
| 94 | Gertrude Hojnacki | 18 | Daughter | Packer | Maryland |
| 95 | Helen Hojnacki | 12 | Daughter | — | Maryland |
| 96 | Frank Janowski | 52 | Head | Carpenter | Germany |
| 97 | Mary Janowski | 50 | Wife | Supervisor | Germany |
| 98 | Frank Jr. Janowski | 18 | Son | Carpenter | Maryland |
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)