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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.~1926), then head of a 7-person household.
Age 14
b. ~1926
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1926 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Christine Alexander | Spouse | — | 54 | ~1886 |
| Helen Alexander | Daughter | — | 25 | ~1915 |
| Margaret Alexander | Daughter | — | 14 | ~1926 |
| Harry Alexander | Son | — | 19 | ~1921 |
| Charlotte Alexander | Daughter | — | 12 | ~1928 |
| Upton Alexander | Head | — | 59 | ~1881 |
| W Alexander | Son | — | 17 | ~1923 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 3
Baltimore, Maryland · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 14
Baltimore-City-County, Maryland · implied b. ~1926 — 7 household members
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | H 1 |
| 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 14 · b. ~1926 · Maryland
★ You are viewing this record
Sibling
Harry Alexander
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Alexander
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
W Alexander
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Alexander
Sibling · 1940 · age 25
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
39 people indexed on this census page (nara:1940:m-t0627-01536-00439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leo Weeks | 21 | Son | Stock Clerk | Ohio |
| 42 | Joseph Weeks | 19 | Son | Stock Clerk | Maryland |
| 43 | Howard Weeks | 16 | Son | — | Maryland |
| 44 | Mary Weeks | 7 | Daughter | — | Maryland |
| 46 | Ralph J. Duncan | 42 | Head | Machinist | Florida |
| 47 | Pearl Duncan | 39 | Wife | — | Louisiana |
| 48 | Lois Duncan | 19 | Daughter | — | Louisiana |
| 49 | Pearl Duncan | 15 | Daughter | — | Louisiana |
| 50 | Anna Duncan | 11 | Daughter | — | Louisiana |
| 51 | Iris Duncan | 7 | Daughter | — | Louisiana |
| 52 | Mary Duncan | 3 | Daughter | — | Maryland |
| 53 | Ralph Jr. Duncan | 1 | Son | — | Maryland |
| 54 | Milton J. Webster | 43 | Head | Machinist | Maryland |
| 55 | Capitola Webster | 40 | Wife | — | Maryland |
| 56 | Gloria Webster | 16 | Daughter | — | Maryland |
| 57 | Betty Lou Webster | 8 | Daughter | — | Maryland |
| 58 | Fay Webster | 7 | Daughter | — | Maryland |
| 59 | Milton Jr. Webster | 5 | Son | — | Maryland |
| 60 | Upton S. Alexander | 59 | Head | Retired From U.S. Army | Maryland |
| 61 | Christine Alexander | 54 | Wife | Janitress | Pennsylvania |
| 62 | Helen Alexander | 25 | Daughter | Operator | Maryland |
| 63 | Harry Alexander | 19 | Son | Engraver | Maryland |
| 64 | W. Patrick Alexander | 17 | Son | — | Maryland |
| 65 | Margaret Alexander THIS PERSON | 14 | Daughter | — | Maryland |
| 66 | Charlotte Alexander | 12 | Daughter | — | Maryland |
| 67 | William Reinhart | 47 | Head | Crane Operator | Maryland |
| 68 | Gertrude Reinhart | 40 | Wife | — | Maryland |
| 69 | Glenwood Reinhart | 19 | Son | Carpenter | Maryland |
| 70 | Marcella Reinhart | 16 | Daughter | — | Maryland |
| 71 | Elmer Wheeler | 37 | Boarder | — | Maryland |
| 72 | Richard T. Stickels | 42 | Head | Fireman | Virginia |
| 73 | Louie Stickels | 39 | Wife | — | Pennsylvania |
| 74 | Allen Stickels | 15 | Son | — | Pennsylvania |
| 75 | Irma Stickels | 10 | Daughter | — | Pennsylvania |
| 76 | Earl Stickels | 3 | Daughter | — | Pennsylvania |
| 77 | Henry Mitchell | 39 | Head | Engineer | N. Carolina |
| 78 | Addie Mitchell | 36 | Wife | — | N. Carolina |
| 79 | Gloria Mitchell | 18 | Daughter | — | N. Carolina |
| 80 | George Mitchell | 16 | Son | — | N. Carolina |
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)