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Margaret Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Arlington-County, Virginia
Our Model Tree links this Margaret Alexander across the 1930 and 1940 US Censuses in Arlington-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Arlington-County, Virginia |
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Arlington |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Morris Alexander | Head | — | 45 | ~1895 |
| Mae Alexander | Daughter | — | 11 | ~1929 |
| Patricia Alexander | Daughter | — | 2 | ~1938 |
| Louise Alexander | Spouse | — | 44 | ~1896 |
| Gae Alexander | Daughter | — | 9 | ~1931 |
| Margaret Alexander | Daughter | — | 15 | ~1925 |
| Joseph Alexander | Son | — | 18 | ~1922 |
Census Appearances
1930
Arlington, Virginia
Daughter, age 5
Arlington, Virginia · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Dist of Columbia |
| Mother's Birthplace | Dist of Columbia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Arlington-County, Virginia
Daughter, age 15
Arlington-County, Virginia · implied b. ~1925 — 7 household members
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Arlington |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 15 · b. ~1925 · Virginia
★ You are viewing this record
Sibling
Gae Alexander
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Alexander
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Alexander
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mae Alexander
Sibling · 1940 · age 11
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 — Arlington-County, Virginia
Open full size
1940 US Federal Census — Arlington-County, Virginia
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04245-00506)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Earl Hollenbeck | 29 | Head | Government Clerk | New York |
| 2 | Elizabeth D. Hollenbeck | 29 | Wife | — | Penn |
| 3 | Janet Beryl Hollenbeck | 1 | Daughter | — | D.C. |
| 4 | Sherman Mcdonald | 32 | Head | Carpenter | Virginia |
| 5 | Gertrude Mcdonald | 27 | Wife | — | Mass |
| 6 | Shirley Mcdonald | 10 | Daughter | — | D.C. |
| 7 | Elinor L. Alexander | 77 | Head | — | D.C. |
| 8 | Earl Doll | 34 | Grandson-in-law | Gardener Landscape | Virginia |
| 9 | Elinor Doll | 28 | Granddaughter | Seamstress | D.C. |
| 10 | Carl Walker Doll | 7 | Great grandson | — | Virginia |
| 11 | Robert Morgan | 42 | Head | Auditor | Virginia |
| 12 | Josephine Dee Morgan | 41 | Wife | — | Illinois |
| 13 | Josephine C. Morgan | 12 | Daughter | — | D.C. |
| 14 | Roberta Dee Morgan | 7 | Daughter | — | D.C. |
| 15 | Delia M. Dee | 71 | Mother-in-law | — | Ireland |
| 16 | Engeil Wessels | 36 | Head | Mechanic | Minn |
| 17 | Eva Wessels | 33 | Wife | Clerk | Wis |
| 18 | Harry D. Rosenberger | 42 | Head | Operator | Virginia |
| 19 | Ida Rosenberger | 34 | Wife | Cashier | Virginia |
| 20 | Mary Baker | 74 | Mother-in-law | — | Virginia |
| 21 | Morris Alexander | 45 | Head | Elec Const | D.C. |
| 22 | Louise Alexander | 44 | Wife | — | D.C. |
| 23 | Joseph Alexander | 18 | Son | — | D.C. |
| 24 | Margaret Alexander THIS PERSON | 15 | Daughter | — | Virginia |
| 25 | Mae Alexander | 11 | Daughter | — | Virginia |
| 26 | Gae Alexander | 9 | Daughter | — | Virginia |
| 27 | Patricia Alexander | 2 | Daughter | — | Virginia |
| 28 | Joseph C. Anderson | 66 | Head | Solicitor | D.C. |
| 29 | Edith W. Anderson | 62 | Wife | — | D.C. |
| 30 | Bowman C. Anderson | 33 | Son | Clerk | D.C. |
| 31 | Ralph Freeland | 30 | Head | Chemist | Rhode Island |
| 32 | Dorothy Freeland | 27 | Wife | — | Delaware |
| 33 | Ralph Jr. Freeland | 5 | Son | — | Delaware |
| 34 | Hazel Ernest West | 57 | Head | Photographer | Arkansas |
| 35 | Rosa Sprigget West | 43 | Wife | Stenographer | Austria |
| 36 | Powell Hope West | 19 | Daughter | — | New York |
| 37 | Fredria Alberta West | 11 | Son | — | D.C. |
| 38 | B. Taylor Good | 56 | Head | Carpenter | Virginia |
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)