MA
Margaret Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Margaret Alexander across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Alexander |
| Given Name | Margaret L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | tel. operator |
| Industry | tel. co |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 70 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Tel. Operator |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| James Alexander | Head | — | 65 | ~1875 |
| Audrey Alexander | Daughter | — | 16 | ~1924 |
| John Marshall | Other | — | 20 | ~1920 |
| Teresa Miller | Daughter | — | 42 | ~1898 |
| James Alexander | Son | — | 30 | ~1910 |
| Elda Alexander | Daughter | — | 17 | ~1923 |
| Margaret Alexander | Daughter | — | 22 | ~1918 |
| Mary Alexander | Spouse | — | 61 | ~1879 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 12
Baltimore, Maryland · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 22
Baltimore-City-County, Maryland · implied b. ~1918 — 8 household members
| Surname | Alexander |
| Given Name | Margaret L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | tel. operator |
| Industry | tel. co |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 70 |
| Highest Grade | H 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 Margaret Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Alexander
Daughter · 1940 · age 22 · b. ~1918 · Maryland
★ You are viewing this record
Sibling
Elda Alexander
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Alexander
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Alexander
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teresa Miller
Sibling · 1940 · age 42
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-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-t0627-01541-00854)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna E Roberts | 32 | wife | None | Maryland |
| 2 | William Roberts | 16 | son | None | Maryland |
| 3 | Fannie Roberts | 60 | head | None | Maryland |
| 4 | Rose R Roberts | 37 | sister | None | Maryland |
| 5 | Beatrice Roberts | 35 | sister | Cashier | Maryland |
| 6 | Edris S Weller | 41 | head | Operator | Maryland |
| 7 | Kathryn Weller | 29 | wife | None | Maryland |
| 8 | William S Weller | 7 | son | — | Maryland |
| 9 | William Pazzara | 13 | step-son | — | Maryland |
| 10 | Margaret Zoller | 51 | mother-in-law | Elevator Operator | Maryland |
| 11 | Raymond J Gurney | 74 | head | Upholsterer | Maryland |
| 12 | Annie K Gurney | 68 | wife | None | Pennsylvania |
| 13 | Rose S Price | 64 | head | None | Maryland |
| 14 | Rose C Price | 35 | daughter | Press Operator | Maryland |
| 15 | Lydia C Price | 28 | daughter | File Clerk | Maryland |
| 16 | Vernon W Price | 21 | son | Copy-Boy | Maryland |
| 17 | Elbert E Feetch | 66 | brother | Iron Moulder | Illinois |
| 18 | Frank Fritsche | 57 | head | Brush Maker | Maryland |
| 19 | Alice Fritsche | 70 | wife | None | Germany |
| 20 | Valentine J Miller | 38 | head | Bookkeeper | Maryland |
| 21 | Myra C Miller | 36 | wife | None | Maryland |
| 22 | E. Valentine Miller | 5 | daughter | — | Maryland |
| 23 | Clifford J Sener | 59 | head | Bookkeeper | Pennsylvania |
| 24 | Josephine F Sener | 53 | wife | None | Maryland |
| 25 | James M Alexander | 65 | head | Receiving Clerk | Maryland |
| 26 | Mary B Alexander | 61 | wife | None | Maryland |
| 27 | Teresa J Miller | 42 | daughter | None | Maryland |
| 28 | James C Alexander | 30 | son | Machinist | Maryland |
| 29 | Margaret L Alexander THIS PERSON | 22 | daughter | Tel. Operator | Maryland |
| 30 | Elda C Alexander | 17 | daughter | None | Maryland |
| 31 | Audrey S Alexander | 16 | daughter | None | Maryland |
| 32 | John W Marshall | 20 | grandson | None | Maryland |
| 33 | William Schurz | 44 | head | Butcher | Maryland |
| 34 | Grace E Schurz | 43 | wife | None | Maryland |
| 35 | Grace H Schurz | 18 | daughter | New Worker | Maryland |
| 36 | Elizabeth J Schurz | 16 | daughter | None | Maryland |
| 37 | Eleanor J Schurz | 8 | daughter | — | Maryland |
| 38 | [Begins Block 52] [Here Ends Block 51] | None | — | — | — |
| 39 | Samuel Fleischman | 62 | head | None | Germany |
| 40 | Jennie Fleischman | 63 | wife | None | Germany |
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)