IT
Ida Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ida Thomas across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 3-person household.
Age 71
b. ~1869
Female
Head
Born: Maryland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thomas |
| Given Name | Ida |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1869 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Ida Thomas | Head | — | 71 | ~1869 |
| Harry Thomas | Son | — | 32 | ~1908 |
| Randolph Hawkins | Son | — | 13 | ~1927 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 54
Baltimore, Maryland · implied b. ~1866 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ida S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Spouse, age 63
Baltimore, Maryland · implied b. ~1867 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ida M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 71
Baltimore-City-County, Maryland · implied b. ~1869 — 3 household members
| Surname | Thomas |
| Given Name | Ida |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 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 Ida Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ida Thomas
Head · 1940 · age 71 · b. ~1869 · 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
39 people indexed on this census page (nara:1940:m-t0627-01530-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jacob Gelozele | 71 | Head | Barber | Lithuania |
| 2 | Frank Karchauskas | 52 | Lodger | Bartender | Lithuania |
| 3 | Charles Rolins | 49 | Lodger | Sailor | Lithuania |
| 4 | Mamie E. Niel | 59 | Head | Clerk | Maryland |
| 5 | Anna Niel | 51 | Sister | Stenographer | Maryland |
| 6 | John Stengal | 77 | Head | Pianostore | New York |
| 7 | Catherine Stengal | 80 | Sister | — | Maryland |
| 8 | Robert Loombs | 38 | Head | — | W. Virginia |
| 9 | Annie Loombs | 40 | Wife | Asphalter | Maryland |
| 10 | Edward Butler | 41 | Brother | Clerk | W. Virginia |
| 11 | John E. Purcell | 72 | Head | — | Maryland |
| 12 | Annie M. Purcell | 55 | Wife | — | Maryland |
| 13 | Bessie Cosmer | 36 | Head | Operator | W. Virginia |
| 14 | James W. Stoots | 24 | Head | Painter | Virginia |
| 15 | Elizabeth Stoots | 22 | Wife | — | Maryland |
| 16 | William Stoots | 2 | Son | — | Maryland |
| 17 | Lawrence Stoots | 1 | Son | — | Maryland |
| 18 | Paul Glover | 35 | Head | Printer | Maryland |
| 19 | Clara Glover | 33 | Wife | Secretary | Maryland |
| 20 | William B. Rau | 56 | Head | Chauffeur | Maryland |
| 21 | Clara Rau | 27 | Wife | — | Maryland |
| 22 | William Jr. Rau | 3 | Son | — | Maryland |
| 23 | Ray W. Thompson | 23 | Head | Labor | Maryland |
| 24 | Mildred Thompson | 24 | Wife | — | Maryland |
| 25 | Ida Thomas THIS PERSON | 71 | Head | — | Maryland |
| 26 | Harry W. Thomas | 32 | Son | Junker | Maryland |
| 27 | Randolph Hawkins | 13 | Son | — | Maryland |
| 28 | Mary Ringold | 36 | Head | — | Virginia |
| 29 | William Vassel | 65 | Lodger | Junking | Virginia |
| 30 | Lloyd Collins | 37 | Lodger | — | Virginia |
| 31 | Emma Brown | 40 | Head | Servant | Maryland |
| 32 | Elizabeth Brown | 20 | Daughter | Servant | Maryland |
| 33 | William Lownds | 36 | Head | Junking | Maryland |
| 34 | Mollie Lownds | 43 | Wife | Servant | Maryland |
| 35 | Beatrice Lownds | 14 | Daughter | — | Maryland |
| 36 | William Lownds | 2 | Son | — | Maryland |
| 37 | Flora Harris | 25 | Head | — | Virginia |
| 38 | William Harris | 8 | Son | — | Maryland |
| 39 | Leonard Harris | 5 | Son | — | Maryland |
Related Census Records
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)