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Margaret Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Tennessee
Our Model Tree links this Margaret Lewis across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Tennessee (XGBoost, ~Confirmed), with identified parents Andrew & Jewell — first a daughter (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Tennessee |
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Chattanooga City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Chattanooga City |
| Est. Birth Year | ~1920 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Lewis | Daughter | — | 20 | ~1920 |
| Andrew Lewis | Head | — | 55 | ~1885 |
| Jewell Lewis | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Hamilton, Tennessee
Daughter, age 1
Hamilton, Tennessee · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Hamilton, Tennessee
Daughter, age 11
Hamilton, Tennessee · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Hamilton-County, Tennessee
Daughter, age 20
Hamilton-County, Tennessee · implied b. ~1920 — 3 household members
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Chattanooga City |
| 1935 Residence (County) | Hamilton |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Margaret Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Lewis (~0.92 confidence) and mother Jewell Lewis (~0.92 confidence) and father Henry Lewis (~0.92 confidence) and father Henry Lewis (~0.92 confidence) and mother Eula Lewis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Lewis
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Jewell Lewis
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Henry Lewis
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Henry Lewis
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Eula Lewis
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Lewis
Daughter · 1940 · age 20 · b. ~1920 · Tennessee
★ 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 — Hamilton-County, Tennessee
Open full size
1940 US Federal Census — Hamilton-County, Tennessee
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-03954-00451)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H. Moore | 55 | Head | Farmer | Tennessee |
| 2 | Sallie Moore | 60 | Wife | — | Alabama |
| 3 | Tommie Moore | 8 | Grandson | — | Tennessee |
| 4 | Fredrick C. Gilliland | 27 | Head | Manager | Tennessee |
| 5 | Margie Gilliland | 22 | Wife | — | Tennessee |
| 6 | Joe Anne Gilliland | 5 | Daughter | — | Tennessee |
| 7 | Fredrick C. Gilliland | 3 | Son | — | Tennessee |
| 8 | Herbert G. B. King | 50 | Head | Attorney At Law | Missouri |
| 9 | Virginia O. King | 42 | Wife | — | Tennessee |
| 10 | Walter C. Martin | 48 | Head | Machinist | Georgia |
| 11 | Agnes Martin | 43 | Wife | — | Tennessee |
| 12 | Clifton L. Mcdonald | 39 | Son-in-law | Salesman | Alabama |
| 13 | Dorothy Mcdonald | 26 | Daughter | Clerk | Tennessee |
| 14 | Edward Campbell | 36 | Head | Brick Mason | Tennessee |
| 15 | Ira Campbell | 31 | Wife | — | Alabama |
| 16 | Billie Campbell | 14 | Son | — | Tennessee |
| 17 | Bruce Campbell | 13 | Son | — | Tennessee |
| 18 | Dorotha Ann Campbell | 12 | Daughter | — | Tennessee |
| 19 | Jack Campbell | 10 | Son | — | Tennessee |
| 20 | Christine Campbell | 5 | Daughter | — | Tennessee |
| 21 | Alice Scott | 67 | Mother-in-law | — | Georgia |
| 22 | Robert G. Collins | 27 | Head | Manager | Tennessee |
| 23 | Katherine Collins | 24 | Wife | — | Tennessee |
| 24 | Robert S. Collins | 2 | Son | — | Tennessee |
| 25 | Frances M. Scott | 63 | Mother-in-law | — | Georgia |
| 26 | Darrell P. Hamilton | 40 | Head | Salesman | Illinois |
| 27 | Aileen Hamilton | 37 | Wife | — | Illinois |
| 28 | Andrew A. Lewis | 55 | Head | Contractor | Tennessee |
| 29 | Jewell Lewis | 53 | Wife | — | Tennessee |
| 30 | Margaret Lewis THIS PERSON | 20 | Daughter | — | Tennessee |
| 31 | Brooks Chandler | 25 | Head | Salesman | Tennessee |
| 32 | Mariam Chandler | 25 | Wife | Technologist | Tennessee |
| 33 | William Harman | 33 | Head | Engineer | Tennessee |
| 34 | Dorothy Harman | 25 | Wife | — | Illinois |
| 35 | Thomas Harman | 0 | Son | — | Tennessee |
Pedigree Summary
Margaret
Gen 1 · 5 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)