MA
Margaret Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harford-County, Maryland
Our Model Tree links this Margaret Alexander across the 1930 and 1940 US Censuses in Harford-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harford-County, Maryland |
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Harford |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Maryland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Election District 5 |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Annie Alexander | Spouse | — | 32 | ~1908 |
| Roger Alexander | Son | — | 6 | ~1934 |
| Margaret Alexander | Daughter | — | 11 | ~1929 |
| Stanley Alexander | Son | — | 10 | ~1930 |
| Georgana Alexander | Daughter | — | 8 | ~1932 |
| Ethel Alexander | Daughter | — | 9 | ~1931 |
| George Alexander | Head | — | 35 | ~1905 |
Census Appearances
1930
Harford, Maryland
Daughter, age 1
Harford, Maryland · implied b. ~1929 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Harford-County, Maryland
Daughter, age 11
Harford-County, Maryland · implied b. ~1929 — 7 household members
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Harford |
| Highest Grade | No 5 |
| 1935 Residence | Maryland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 11 · b. ~1929 · Maryland
★ You are viewing this record
Sibling
Georgana Alexander
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roger Alexander
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Alexander
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Alexander
Sibling · 1940 · age 10
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 — Harford-County, Maryland
Open full size
1940 US Federal Census — Harford-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01551-00792)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melvin Absher | 4 | Son | — | Maryland |
| 2 | Mary Absher | 2 | Daughter | — | Maryland |
| 3 | Edna Absher | 0 | Daughter | — | Maryland |
| 4 | John H. Price | 63 | Head | Farmer | Maryland |
| 5 | Martha A. Price | 60 | Wife | — | Maryland |
| 6 | Andrew Cummings | 22 | Head | Farm Hand | Maryland |
| 7 | Dorothy Cummings | 22 | Wife | Clerk | Maryland |
| 8 | Claude Sheppard | 30 | Head | Driver | N. Carolina |
| 9 | Helen Sheppard | 29 | Wife | — | Maryland |
| 10 | Ramona Sheppard | 11 | Daughter | — | Maryland |
| 11 | Elsie Sheppard | 10 | Daughter | — | Maryland |
| 12 | James Sheppard | 5 | Son | — | Maryland |
| 13 | Glasgow Davis | 42 | Head | Salesman | Maryland |
| 14 | Edna Davis | 39 | Wife | Housework | Maryland |
| 15 | Alice Davis | 19 | Daughter | Housework | Maryland |
| 16 | Lucy Davis | 15 | Daughter | — | Maryland |
| 17 | Robert Davis | 15 | Son | — | Maryland |
| 18 | Doris Davis | 12 | Daughter | — | Maryland |
| 19 | Charles Davis | 10 | Son | — | Maryland |
| 20 | Stella Davis | 7 | Daughter | — | Maryland |
| 21 | Levon Davis | 5 | Son | — | Maryland |
| 22 | Barbara Davis | 3 | Daughter | — | Maryland |
| 23 | Harriet Williams | 64 | Mother-in-law | — | N. Carolina |
| 24 | L. Field Mcmillan | 69 | Head | Farmer | N. Carolina |
| 25 | Jincy Mcmillan | 69 | Wife | — | Virginia |
| 26 | John W. Jaynes | 35 | Head | Own Business | Virginia |
| 27 | Edward Bond | 26 | Hired Man | Farm Hand | Maryland |
| 28 | Corinthia Nedab | 35 | Boarder | — | Virginia |
| 29 | George Alexander | 35 | Head | Electrical Engineer | Maryland |
| 30 | Annie Alexander | 32 | Wife | — | Pennsylvania |
| 31 | Margaret Alexander THIS PERSON | 11 | Daughter | — | Pennsylvania |
| 32 | Stanley W. Alexander | 10 | Son | — | Maryland |
| 33 | Ethel Alexander | 9 | Daughter | — | Maryland |
| 34 | Georgana Alexander | 8 | Daughter | — | Maryland |
| 35 | Roger Alexander | 6 | Son | — | Maryland |
| 36 | Raymond Morris | 47 | Head | Own Farm | Maryland |
| 37 | Reba Morris | 45 | Wife | — | Maryland |
| 38 | Philip Morris | 17 | Son | — | Maryland |
| 39 | Robert Morris | 6 | Son | — | Maryland |
| 40 | James Kelly | 62 | Brother-in-law | — | Maryland |
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)