SA
Sarah Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cecil-County, Maryland
Our Model Tree links this Sarah Alexander across the 1930 and 1940 US Censuses in Cecil-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cecil-County, Maryland |
| Surname | Alexander |
| Given Name | Sarah J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | North East |
| 1935 Residence (County) | Cecil |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | North East |
| Est. Birth Year | ~1924 |
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 Sarah | Age | Birth yr |
|---|---|---|---|---|
| Catherine Heff | Daughter | — | 22 | ~1918 |
| Marjorie Alexander | Daughter | — | 5 | ~1935 |
| Jas Alexander | Head | — | 49 | ~1891 |
| Nellie Alexander | Daughter | — | 9 | ~1931 |
| Essie Alexander | Spouse | — | 46 | ~1894 |
| Sarah Alexander | Daughter | — | 16 | ~1924 |
| Franklin Alexander | Other | — | 3 | ~1937 |
Census Appearances
1930
Cecil, Maryland
Daughter, age 7
Cecil, Maryland · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Sara Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Delaware |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Cecil-County, Maryland
Daughter, age 16
Cecil-County, Maryland · implied b. ~1924 — 7 household members
| Surname | Alexander |
| Given Name | Sarah J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | North East |
| 1935 Residence (County) | Cecil |
| Highest Grade | Hs 4 |
| 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 Sarah Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Alexander
Daughter · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Catherine Heff
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Alexander
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Alexander
Sibling · 1940 · age 5
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 — Cecil-County, Maryland
Open full size
1940 US Federal Census — Cecil-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01545-00374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Bryson | 76 | Father | — | Maryland |
| 42 | Oliver S. Paton | 44 | Head | Track Foreman | Italy |
| 43 | Lucy L. Paton | 37 | Wife | — | New Jersey |
| 44 | James D. Bonshell | 37 | Head | Carpenter | Maryland |
| 45 | Charles Byard | 72 | Boarder | Proprietor | Maryland |
| 46 | George H. Reynolds | 26 | Head | Welder | Maryland |
| 47 | Viola D. Reynolds | 26 | Wife | — | Maryland |
| 48 | George E. Reynolds | 4 | Son | — | Maryland |
| 49 | Richard A. Reynolds | 3 | Son | — | Maryland |
| 50 | Carol E. Reynolds | 0 | Daughter | — | Maryland |
| 51 | James A. Biddle | 56 | Head | — | Maryland |
| 52 | Margaret Biddle | 48 | Wife | — | Maryland |
| 53 | Armstead Williams | 53 | Head | Laborer | Virginia |
| 54 | Essie Williams | 24 | Wife | Cook | Maryland |
| 55 | Jas. C. Alexander | 49 | Head | Dealer | Maryland |
| 56 | Essie L. Alexander | 46 | Wife | — | Delaware |
| 57 | Sarah J. Alexander THIS PERSON | 16 | Daughter | — | Maryland |
| 58 | Nellie S. Alexander | 9 | Daughter | — | Maryland |
| 59 | Marjorie A. Alexander | 5 | Daughter | — | Maryland |
| 60 | Catherine M. Heff | 22 | Daughter | Laborer | Maryland |
| 61 | Franklin M. Alexander | 3 | Grandson | — | Maryland |
| 62 | William M. Litto | 42 | Head | Laborer | Maryland |
| 63 | Helen R. Litto | 40 | Wife | — | Maryland |
| 64 | Robert A. Litto | 22 | Daughter | Laborer | Maryland |
| 65 | Ralph J. Litto | 18 | Son | Mechanic Helper | Maryland |
| 66 | Harold E. Litto | 15 | Son | — | Maryland |
| 67 | Albert B. Litto | 16 | Son | — | Maryland |
| 68 | Beatrice E. Litto | 12 | Daughter | — | Maryland |
| 69 | Howard Litto | 10 | Son | — | Maryland |
| 70 | Colleen V. Litto | 9 | Daughter | — | Maryland |
| 71 | Lena B. Litto | 4 | Daughter | — | Maryland |
| 72 | Jenny M. Johnson | 64 | Head | — | Maryland |
| 73 | Thos. M. Thompson | 63 | Head | — | Delaware |
| 74 | Howard L. Thompson | 25 | Son | Farmer | New Jersey |
| 75 | Violet H. Thompson | 17 | Daughter | — | Pennsylvania |
| 76 | Florence Thompson | 15 | Daughter | — | Pennsylvania |
| 77 | Grace Thompson | 12 | Daughter | — | Pennsylvania |
| 78 | Daniel H. Thompson | 10 | Son | — | Pennsylvania |
| 79 | Jesse L. Carter | 22 | Daughter | Cook | Pennsylvania |
| 80 | Daniel E. Carter | 0 | Son | — | 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)