CT
Catherine Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Catherine Thomas across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents Frank & Anna — first a daughter (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Thomas |
| Given Name | Catherine L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 2 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Secretary |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 750 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Secretary |
| Township / Ward | Election District 2 |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Frank Thomas | Head | — | 64 | ~1876 |
| Althea Thomas | Daughter | — | 24 | ~1916 |
| Marguerite Thomas | Daughter | — | 19 | ~1921 |
| Anna Thomas | Spouse | — | 57 | ~1883 |
| Catherine Thomas | Daughter | — | 26 | ~1914 |
| Marie Thomas | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 6
Baltimore, Maryland · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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 16
Baltimore, Maryland · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Catherine M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Paper Box Maker |
| Industry | Paper Box Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Daughter, age 26
Baltimore-County, Maryland · implied b. ~1914 — 6 household members
| Surname | Thomas |
| Given Name | Catherine L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 2 |
| 1935 Residence (County) | Baltimore |
| Occupation | Secretary |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 750 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Thomas (~0.92 confidence) and mother Anna Thomas (~0.92 confidence) and mother Annie Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and father Lee Thomas (~0.92 confidence) and mother Catherine Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Anna Thomas
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Annie Thomas
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
William Thomas
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Lee Thomas
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Catherine Thomas
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Catherine Thomas
Daughter · 1940 · age 26 · b. ~1914 · Maryland
★ You are viewing this record
Sibling
Marguerite Thomas
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Althea Thomas
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Thomas
Sibling · 1940 · age 27
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
1940 US Federal Census — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01503-00800)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William D. Bitzer | 39 | Head | Conductor | Maryland |
| 42 | Cora R. Bitzer | 34 | Wife | — | Maryland |
| 43 | William C. Bitzer | 15 | Son | — | Maryland |
| 44 | Verna H. Bitzer | 11 | Daughter | — | Maryland |
| 45 | Marion L. Bitzer | 10 | Daughter | — | Maryland |
| 46 | Stanley F. Bitzer | 7 | Son | — | Maryland |
| 47 | Benjamin E. Weiser | 31 | Head | Minister | Pennsylvania |
| 48 | Sylvia A. Weiser | 2 | Daughter | — | Pennsylvania |
| 49 | Ida S. Weiser | 57 | Mother | — | Pennsylvania |
| 50 | Bessie E. Lubock | 41 | Head | — | Maryland |
| 51 | Elmer C. Buppert | 55 | Lodger | Hired Hand | Maryland |
| 52 | Junius G. Buppert | 57 | Head | Operator | Maryland |
| 53 | Lottie L. Buppert | 55 | Wife | Housework | Maryland |
| 54 | Irma W. Buppert | 30 | Daughter | — | Maryland |
| 55 | C. Jane Buppert | 15 | Daughter | — | Maryland |
| 56 | John Hilt | 57 | Head | Hired Hand | Maryland |
| 57 | Raymond F. Hildey | 24 | Head | Carpenter | Maryland |
| 58 | Verna M. Hildey | 25 | Wife | — | Maryland |
| 59 | John L. Froskender | 47 | Head | Carpenter | Maryland |
| 60 | Carrie E. Froskender | 50 | Wife | — | Maryland |
| 61 | George E. Sellman | 47 | Head | Plastering Contractor | Maryland |
| 62 | Estella G. Sellman | 54 | Wife | — | Maryland |
| 63 | Sallie Lohman | 57 | Sister-in-law | — | Maryland |
| 64 | Noble G. Buppert | 40 | Head | Operator | Maryland |
| 65 | Aletha E. Buppert | 39 | Wife | — | Maryland |
| 66 | John W. Weidemeyer | 23 | Head | Clerk | Maryland |
| 67 | Eleanor D. Weidemeyer | 20 | Wife | — | Maryland |
| 68 | Hamilton T. Maccord | 32 | Head | Assistant Superintendent | Virginia |
| 69 | Myrtle Maccord | 27 | Wife | — | Pennsylvania |
| 70 | Hamilton T. Jr. Maccord | 5 | Son | — | Maryland |
| 71 | William F. Hampt | 21 | Head | Farm Manager | Maryland |
| 72 | Margaret E. Hampt | 20 | Wife | — | Maryland |
| 73 | Mary S. Hampt | 0 | Daughter | — | Maryland |
| 74 | Mary A. Nacking | 72 | Head | — | Maryland |
| 75 | Frank L. Thomas | 64 | Head | Painter | Maryland |
| 76 | Anna L. Thomas | 57 | Wife | — | Maryland |
| 77 | Marie L. Thomas | 27 | Daughter | Secretary | Maryland |
| 78 | Catherine L. Thomas THIS PERSON | 26 | Daughter | Secretary | Maryland |
| 79 | Althea F. Thomas | 24 | Daughter | Beautician | Maryland |
| 80 | Marguerite S. Thomas | 19 | Daughter | Typist | Maryland |
Related Census Records
Pedigree Summary
Catherine + 3 siblings
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 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)