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Margaret Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Santa-Barbara-County, California
Our Model Tree links this Margaret Alexander across the 1930 and 1940 US Censuses in Santa-Barbara-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Santa-Barbara-County, California |
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | 9 |
| 1935 Residence (County) | Santa Barbara |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | 9 |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Hugh Alexander | Head | — | 42 | ~1898 |
| Bruce Alexander | Son | — | 17 | ~1923 |
| Robert Alexander | Son | — | 12 | ~1928 |
| Helen Alexander | Spouse | — | 40 | ~1900 |
| Margaret Alexander | Daughter | — | 14 | ~1926 |
| Bertha Alexander | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Santa Barbara, …
Daughter, age 4
Santa Barbara, California · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | California |
| Can Read/Write | No |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Santa-Barbara-County, California
Daughter, age 14
Santa-Barbara-County, California · implied b. ~1926 — 6 household members
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | 9 |
| 1935 Residence (County) | Santa Barbara |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 · California
★ You are viewing this record
Sibling
Bruce Alexander
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Alexander
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Alexander
Sibling · 1940 · age 15
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 — Santa-Barbara-County, California
Open full size
1940 US Federal Census — Santa-Barbara-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00334-00881)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hugh Alexander | 42 | Head | — | North Carolina |
| 2 | Helen Alexander | 40 | Wife | — | California |
| 3 | Bruce Alexander | 17 | Son | — | California |
| 4 | Bertha Belle Alexander | 15 | Daughter | — | California |
| 5 | Margaret Alexander THIS PERSON | 14 | Daughter | — | California |
| 6 | Robert Alexander | 12 | Son | — | California |
| 7 | Leona Wallace | 39 | Head | — | Arkansas |
| 8 | Edwin Wallace | 17 | Son | — | California |
| 9 | Doris Mae Wallace | 14 | Daughter | — | California |
| 10 | Jack Wallace | 12 | Son | — | California |
| 11 | Mary Jane Green | 75 | Mother | — | Ohio |
| 12 | Hobart H. Hansen | 31 | Head | — | Denmark |
| 13 | Fredricka Hansen | 63 | Wife | — | Denmark |
| 14 | Lawrence Libeu | 32 | Head | Sup | California |
| 15 | Catharine Libeu | 25 | Wife | — | Idaho |
| 16 | Ann Edda Libeu | 2 | Daughter | — | California |
| 17 | William Nelson | 49 | Head | — | South Dakota |
| 18 | Benjamin Porter | 59 | Lodger | Labor | Texas |
| 19 | Edith Porter | 54 | Lodger | — | Minnesota |
| 20 | Alf A. Ensign | 54 | Head | Watchman | Colorado |
| 21 | Corrie Ensign | 51 | Wife | — | Montana |
| 22 | Earl W. Mullin | 39 | Head | Pumper | California |
| 23 | William Morrison | 32 | Head | Labor | Oklahoma |
| 24 | Agnes Morrison | 22 | Wife | — | Denmark |
| 25 | Maryann Morrison | 0 | Daughter | — | California |
| 26 | Joe R. Stonetta | 45 | Head | Farmer | Switzerland |
| 27 | Julia Stonetta | 32 | Wife | — | California |
| 28 | Mary Louise Stonetta | 11 | Daughter | — | California |
| 29 | David A. Stonetta | 6 | Son | — | California |
| 30 | Lydia Stonetta | 3 | Daughter | — | California |
| 31 | Earl Beebe | 33 | Head | Welder | California |
| 32 | Thelma Beebe | 29 | Wife | — | California |
| 33 | Richard Beebe | 3 | Son | — | California |
| 34 | Harry Ward | 27 | Head | Wholesale | Canada |
| 35 | Viola Ward | 26 | Wife | — | Texas |
| 36 | Patricia Ann Ward | 5 | Daughter | — | California |
| 37 | Peggy Lou Ward | 1 | Daughter | — | California |
| 38 | Emerson Foster | 54 | Head | — | California |
| 39 | Robert Foster | 24 | Son | Packing Shed | California |
| 40 | Lawrence Martin | 64 | Head | — | Rhode Island |
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)