RT
Ruth Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ruth Thompson across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Lendle & Milton — first a daughter (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thompson |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Unincorporated place |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Unincorporated Place |
| Est. Birth Year | ~1906 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thompson | Daughter | — | 34 | ~1906 |
| Lendle Lewis | Head | — | 63 | ~1877 |
| Leroy Thompson | Other | — | 35 | ~1905 |
| Ruth Thompson | Other | — | 12 | ~1928 |
| Doris Thompson | Other | — | 10 | ~1930 |
| Gertrude Lewis | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Baltimore, Maryland
Other, age 13
Baltimore, Maryland · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ruth |
| Relationship to Head | Stepdaughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| 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
Daughter, age 24
Baltimore, Maryland · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ruth G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| 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 |
1940
Baltimore-City-County, Maryland
Daughter, age 34
Baltimore-City-County, Maryland · implied b. ~1906 — 6 household members
| Surname | Thompson |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Unincorporated place |
| 1935 Residence (County) | Baltimore |
| Highest Grade | Hs 4 |
| 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 Ruth Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lendle Lewis (~0.92 confidence) and father Milton Rowe (~0.92 confidence) and mother Gertrude Lewis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lendle Lewis
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Milton Rowe
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Gertrude Lewis
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Thompson
Daughter · 1940 · age 34 · b. ~1906 · 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-t0627-01541-00477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty R. Guebres | 20 | Daughter | — | Maryland |
| 42 | Peggy R. Guebres | 14 | Daughter | — | Maryland |
| 43 | James R. Guebres | 13 | Daughter | — | Maryland |
| 44 | Wilson Fuller | 54 | Lodger | Maintenance | Michigan |
| 45 | Edward Young | 56 | Lodger | Engineer | Maryland |
| 46 | Nora E. Heapman | 59 | Head | — | Maryland |
| 47 | Barzilia R. Hawkins | 75 | Head | — | Maryland |
| 48 | Mabel Hawkins | 43 | Sister in law | — | Maryland |
| 49 | Robert L. Zolmanese | 43 | Head | Mechanic | Virginia |
| 50 | Angela H. Zolmanese | 36 | Wife | Stenographer | Virginia |
| 51 | Robert E. Zolmanese | 14 | Son | — | Pennsylvania |
| 52 | Richard V. Zolmanese | 12 | Son | — | Pennsylvania |
| 53 | William G. Dyer | 39 | Head | Salesman | Maryland |
| 54 | Viola L. Dyer | 35 | Wife | Typist | Maryland |
| 55 | William F. Foster | 73 | Head | — | Maryland |
| 56 | William F. Jeffers | 55 | Head | Locomotive Engineer | Maryland |
| 57 | Ida M. Jeffers | 45 | Wife | — | Maryland |
| 58 | Charlotte H. Cubbhead | 73 | Head | — | Pennsylvania |
| 59 | Clara Rice | 60 | Head | — | Maryland |
| 60 | Molly Rice | 58 | Sister | — | Maryland |
| 61 | Paul H. Powell | 36 | Head | Auto Bumper | Virginia |
| 62 | Dorothy E. Powell | 21 | Wife | — | Maryland |
| 63 | James P. Amoss | 41 | Head | Buyer | Maryland |
| 64 | Elisabeth Amoss | 34 | Wife | — | Maryland |
| 65 | Lendle M. Lewis | 63 | Head | Clerk | Maryland |
| 66 | Gertrude E. Lewis | 62 | Wife | — | Maryland |
| 67 | Leroy L. Thompson | 35 | Son in law | Truck Driver | Maryland |
| 68 | Ruth E. Thompson THIS PERSON | 34 | Daughter | — | Maryland |
| 69 | Ruth E. Thompson | 12 | Granddaughter | — | Maryland |
| 70 | Doris M. Thompson | 10 | Granddaughter | — | Maryland |
| 71 | Austin S. Hammers | 48 | Head | Maintenance Foreman | New Jersey |
| 72 | Abbie W. Hammers | 51 | Wife | — | New Jersey |
| 73 | Evelyn G. Peterson | 26 | Daughter | — | New Jersey |
| 74 | Donald F. Peterson | 1 | Grandson | — | Maryland |
| 75 | Melvin D. Harryman | 21 | Son in law | Operator | Maryland |
| 76 | Ellen L. Harryman | 19 | Daughter | — | New Jersey |
| 77 | Austin D. Harryman | 0 | Grandson | — | Maryland |
| 78 | Harry B. Borrell | 70 | Head | Owner | Maryland |
| 79 | Rose V. Borrell | 66 | Wife | — | Maryland |
| 80 | Joseph E. Mcclain | 29 | Head | Accountant | Maryland |
Pedigree Summary
Ruth
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)