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Margaret Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Margaret Lewis across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Marie — first a head (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Female
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Lewis |
| Given Name | Margaret M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1903 |
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 | Head | — | 37 | ~1903 |
| Milton Busscher | Other | — | 29 | ~1911 |
| Joseph Lewis | Son | — | 19 | ~1921 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 16
Baltimore, Maryland · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Margaret |
| 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 | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 26
Baltimore, Maryland · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Bookkeeper |
| Industry | Dry Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 37
Baltimore-City-County, Maryland · implied b. ~1903 — 3 household members
| Surname | Lewis |
| Given Name | Margaret M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Margaret Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lewis (~0.92 confidence) and mother Marie Lewis (~0.92 confidence) and father Alfred Lewis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lewis
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Marie Lewis
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Alfred Lewis
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
Margaret Lewis
Head · 1940 · age 37 · b. ~1903 · 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-t0627-01534-00236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry C Chamblitt | 31 | Head | Glassier | Maryland |
| 42 | Elizabeth M Chamblitt | 36 | Wife | — | Maryland |
| 43 | Viola E Chamblitt | 12 | Daughter | — | Maryland |
| 44 | Thelma B Chamblitt | 10 | Daughter | — | Maryland |
| 45 | Charles K Chamblitt | 7 | Son | — | Maryland |
| 46 | Anna M Chamblitt | 6 | Daughter | — | Maryland |
| 47 | Shirley T Chamblitt | 4 | Daughter | — | Maryland |
| 48 | Robert F Chamblitt | 3 | Son | — | Maryland |
| 49 | Beatrice A Chamblitt | 1 | Daughter | — | Maryland |
| 50 | Katherine W Krause | 15 | Daughter | — | Maryland |
| 51 | Rita T Krause | 14 | Daughter | — | Maryland |
| 52 | Melvin M Hoffman | 21 | Son-in-law | Machinist Helper | Maryland |
| 53 | Mary E Hoffman | 18 | Daughter | — | Maryland |
| 54 | Lester E Hoffman | 0 | Grandson | — | Maryland |
| 55 | Charles D Williams | 63 | Head | — | Maryland |
| 56 | Mary Williams | 63 | Wife | — | Maryland |
| 57 | Raymond G Williams | 38 | Son | Teamster | Maryland |
| 58 | William M Williams | 27 | Son | Painter | Maryland |
| 59 | Ira C Williams | 22 | Daughter-in-law | — | Maryland |
| 60 | Dora Williams | 2 | Granddaughter | — | Maryland |
| 61 | John Williams | 25 | Grandson | Driver Of Truck | Maryland |
| 62 | Margaret M Lewis THIS PERSON | 37 | Head | — | Maryland |
| 63 | Joseph S Lewis | 19 | Son | New Worker | Maryland |
| 64 | Milton Busscher | 29 | Lodger | Runner-Boy | Maryland |
| 65 | Walter E Davis | 38 | Head | Watchman | Maryland |
| 66 | Jennie Bernstein | 52 | Head | — | Russia |
| 67 | Morris C Bernstein | 27 | Son | Clerk | Maryland |
| 68 | Maurice Bernstein | 25 | Son | Salesman | Maryland |
| 69 | Albert F Smith | 30 | Head | Flooring | Maryland |
| 70 | Anna C Smith | 36 | Wife | — | Maryland |
| 71 | Ronald E Smith | 7 | Son | — | Maryland |
| 72 | Smith Jerome G Smith | 4 | Son | — | Maryland |
| 73 | William K Smith | 1 | Son | — | Maryland |
| 74 | Edward F Donkin | 47 | Head | Helper | Maryland |
| 75 | Gertrude B Donkin | 43 | Wife | — | Maryland |
| 76 | Margaret L Donkin | 22 | Daughter | — | Maryland |
| 77 | William J Mclaughlen | 50 | Head | Saloon Keeper | England |
| 78 | Eugenia C Mclaughlen | 51 | Wife | — | Maryland |
| 79 | Mary C Stately | 33 | Sister | — | Maryland |
Pedigree Summary
Margaret
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)