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Margaret Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Margaret Alexander across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 5-person household.
Age 48
b. ~1892
Female
Head
Born: Missouri
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Springfield |
| Est. Birth Year | ~1892 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| William Alexander | Son | — | 22 | ~1918 |
| Walter Tuffigan | Other | — | 4 | ~1936 |
| Margaret Alexander | Head | — | 48 | ~1892 |
| Walter Tuffigan | Other | — | 27 | ~1913 |
| Mary Tuffigan | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Sangamon, Illinois
Spouse, age 27
Sangamon, Illinois · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Sangamon, Illinois
Spouse, age 38
Sangamon, Illinois · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 17 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Sangamon-County, Illinois
Head, age 48
Sangamon-County, Illinois · implied b. ~1892 — 5 household members
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Alexander
Head · 1940 · age 48 · b. ~1892 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00884-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Connely | 31 | Daughter | Sales Lady | Illinois |
| 2 | John Parker | 62 | Head | — | Illinois |
| 3 | Anna Parker | 59 | Wife | — | Germany |
| 4 | John W. Parker | 28 | Son | Insurance Agent | Illinois |
| 5 | Earl Parker | 25 | Son | Salesman | Illinois |
| 6 | Kate Parker | 56 | Sister | — | Illinois |
| 7 | Miles Taylor | 57 | Head | Laborer | Illinois |
| 8 | Rosie Taylor | 60 | Wife | — | Illinois |
| 9 | Arthur Bedell | 51 | Head | Painter | Illinois |
| 10 | Edith Bedell | 50 | Wife | Operator | Colorado |
| 11 | Edith Bedell | 27 | Daughter | Laborer | Missouri |
| 12 | William Bedell | 95 | Father | — | Illinois |
| 13 | Shirley Bedell | 8 | Daughter | — | Illinois |
| 14 | Vincent Prada | 67 | Head | Laborer | Italy |
| 15 | Virginia Prada | 46 | Wife | — | Italy |
| 16 | Zahrie Prada | 24 | Daughter | Sales Lady | New Mexico |
| 17 | Rose Prada | 22 | Daughter | Sales Lady | New Mexico |
| 18 | Virginia Prada | 21 | Daughter | Stenographer | Illinois |
| 19 | Steve Prada | 19 | Son | Mechanic | Illinois |
| 20 | Stella Prada | 17 | Daughter | — | New Jersey |
| 21 | Mike Prada | 15 | Son | — | Illinois |
| 22 | Yolanda Prada | 13 | Daughter | — | Illinois |
| 23 | James Prada | 12 | Son | — | Illinois |
| 24 | Louise Prada | 11 | Daughter | — | Illinois |
| 25 | Margaret Alexander THIS PERSON | 48 | Head | — | Missouri |
| 26 | William Alexander | 22 | Son | — | Illinois |
| 27 | Walter Tuffigan | 27 | Son-in-law | Clerk | Illinois |
| 28 | Mary E. Tuffigan | 27 | Daughter | — | Illinois |
| 29 | Walter Tuffigan | 4 | Grandson | — | Illinois |
| 30 | John Cornfield | 45 | Head | Laborer | Illinois |
| 31 | Irene Cornfield | 42 | Wife | — | Illinois |
| 32 | Margaret Cornfield | 24 | Daughter | Nurse | Illinois |
| 33 | John Markus | 69 | Head | — | Germany |
| 34 | Mary Markus | 70 | Wife | — | Germany |
| 35 | Ruth Mcmullen | 57 | Head | Beauty Operator | Illinois |
| 36 | Adeline Mcmullen | 39 | Sister | — | Illinois |
| 37 | Richard Yates | 59 | Head | Check Clerk | Illinois |
| 38 | Jessie Yates | 43 | Wife | — | Illinois |
| 39 | Emma Dempsey | 77 | Mother-in-law | — | Illinois |
| 40 | Lucille Stubblefield | 55 | Sister-in-law | Chef | Illinois |
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)