JT
Julia Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Julia Thomas across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Alexander & Jamie — first a spouse (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thomas |
| Given Name | Julia E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1905 |
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 1940 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| Julia Thomas | Spouse | — | 35 | ~1905 |
| Viola Thomas | Daughter | — | 11 | ~1929 |
| Leonard Thomas | Head | — | 34 | ~1906 |
| Junior Thomas | Son | — | 1 | ~1939 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 13
Baltimore, Maryland · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Julia R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 24
Baltimore, Maryland · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Julia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Presser |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 35
Baltimore-City-County, Maryland · implied b. ~1905 — 4 household members
| Surname | Thomas |
| Given Name | Julia E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 8 |
| 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 Julia Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alexander Thomas (~0.92 confidence) and mother Jamie Thomas (~0.92 confidence) and mother Edith Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Thomas
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Jamie Thomas
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Edith Thomas
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Julia Thomas
Spouse · 1940 · age 35 · b. ~1905 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01508-00474)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George A. Lipka | 64 | Head | Laborer | Poland |
| 2 | Josephine E. Lipka | 58 | Wife | — | Poland |
| 3 | Adolphine Lipka | 26 | Daughter | Machine Operator | Maryland |
| 4 | Helen Lipka | 20 | Daughter | Examiner | Maryland |
| 5 | John Mleczewski | 25 | Son-in-law | Machine Operator | Maryland |
| 6 | Agnes Mleczewski | 23 | Daughter | Trimmer | Maryland |
| 7 | Elaine Mleczewski | 2 | Granddaughter | — | Maryland |
| 8 | Leonard J. Thomas | 34 | Head | Chauffeur | Maryland |
| 9 | Julia E. Thomas THIS PERSON | 35 | Wife | — | Maryland |
| 10 | Viola A. Thomas | 11 | Daughter | — | Maryland |
| 11 | Junior Thomas | 1 | Son | — | Maryland |
| 12 | Andrew Balcerowicz | 58 | Head | Bricklayer | Poland |
| 13 | Stella Balcerowicz | 45 | Wife | — | Germany |
| 14 | Jennie Balcerowicz | 20 | Daughter | Machine Operator | Maryland |
| 15 | Bessie Balcerowicz | 18 | Daughter | 65 | Maryland |
| 16 | Anthony Balcerowicz | 15 | Son | — | Maryland |
| 17 | Joseph Balcerowicz | 13 | Son | — | Maryland |
| 18 | Edward Balcerowicz | 11 | Son | — | Maryland |
| 19 | Theodore Balcerowicz | 8 | Son | — | Maryland |
| 20 | Frank Palasik | 27 | Head | Presser | Maryland |
| 21 | Stella Palasik | 26 | Wife | Machine Operator | Maryland |
| 22 | Joan Palasik | 1 | Daughter | — | Maryland |
| 23 | Peter J. Lynch | 65 | Head | Fire Captain | Pennsylvania |
| 24 | Johanna V. Lynch | 59 | Wife | — | Maryland |
| 25 | Joseph H. Lynch | 29 | Son | Electrician Station Operator | Maryland |
| 26 | Richard E. Lynch | 27 | Son | Building Machine Operator | Maryland |
| 27 | Agnes V. Lynch | 23 | Daughter | — | Maryland |
| 28 | Frank Kufner | 71 | Uncle | — | Maryland |
| 29 | Kostanti Zaslonka | 60 | Head | Tailor | Poland |
| 30 | Victoria Zaslonka | 55 | Wife | — | Poland |
| 31 | Regina Zaslonka | 20 | Daughter | — | Maryland |
| 32 | John Patrick | 40 | Lodger | Laborer | Italy |
| 33 | William Yost | 25 | Lodger | Laborer | Maryland |
| 34 | Stephen Lewandowski | 50 | Head | Cabinet Maker | Poland |
| 35 | Bertha Lewandowski | 46 | Wife | Shirt Presser | Poland |
| 36 | Leona Lewandowski | 20 | Daughter | Junior Clerk | Maryland |
| 37 | Edwin Lewandowski | 18 | Son | — | Maryland |
| 38 | Helen Nacfalaki | 52 | Head | Hand Sewer | Poland |
| 39 | Richard Nacfalaki | 27 | Son | 65 | Maryland |
| 40 | Elizabeth Nacfalaki | 23 | Daughter | Seamstress | Maryland |
Pedigree Summary
Julia
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)