SC
Sarah Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Howard-County, Maryland
Our Model Tree links this Sarah Cook across the 1930 and 1940 US Censuses in Howard-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1932), then head of a 11-person household.
Age 8
b. ~1932
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Howard-County, Maryland |
| Surname | Cook |
| Given Name | Sarah E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist 4 |
| 1935 Residence (County) | Howard |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election Dist 4 |
| Est. Birth Year | ~1932 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Romaine Cook | Daughter | — | 10 | ~1930 |
| Doris Cook | Daughter | — | 5 | ~1935 |
| Sarah Cook | Daughter | — | 8 | ~1932 |
| Ernest Cook | Head | — | 44 | ~1896 |
| Blanchard Cook | Son | — | 12 | ~1928 |
| George Cook | Son | — | 14 | ~1926 |
| Ernest Cook | Son | — | 19 | ~1921 |
| Daniel Cook | Son | — | 18 | ~1922 |
| Sylvester Cook | Son | — | 16 | ~1924 |
| Allen Cook | Son | — | 3 | ~1937 |
| Gladys Cook | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Howard, Maryland
Daughter, age 3
Howard, Maryland · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooke |
| Given Name | Sarah L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Howard-County, Maryland
Daughter, age 8
Howard-County, Maryland · implied b. ~1932 — 11 household members
| Surname | Cook |
| Given Name | Sarah E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist 4 |
| 1935 Residence (County) | Howard |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 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 Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Cook
Daughter · 1940 · age 8 · b. ~1932 · Maryland
★ You are viewing this record
Sibling
Ernest Cook
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Cook
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Cook
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanchard Cook
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvester Cook
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Cook
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Romaine Cook
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Cook
Sibling · 1940 · age 14
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 — Howard-County, Maryland
Open full size
1940 US Federal Census — Howard-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01552-00297)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reese Brown | 61 | Head | — | Maryland |
| 2 | Merritt O. Chance | 70 | Head | — | Delaware |
| 3 | Evelyn F. Chance | 65 | Wife | — | Delaware |
| 4 | Merritt Gould | 43 | Head | Operator | District of Columbia |
| 5 | Mildred G. Gould | 39 | Wife | — | Maryland |
| 6 | Merritt Ii Gould | 16 | Son | — | District of Columbia |
| 7 | Franklin C. Gould | 10 | Son | — | District of Columbia |
| 8 | William Stinson | 45 | Head | Mechanic | Maryland |
| 9 | Hattie Stinson | 42 | Wife | — | Maryland |
| 10 | William Iv Stinson | 19 | Son | — | Maryland |
| 11 | March Stinson | 9 | Son | — | Maryland |
| 12 | B. J. Taylor | 56 | Brother-in-law | — | Virginia |
| 13 | Helen Taylor | 50 | Sister | — | Maryland |
| 14 | Estelle Stinson | 73 | Mother | — | Maryland |
| 15 | Ida Dorsey | 22 | Servant | Servant | Maryland |
| 16 | Robert Powell | 45 | Head | Farm Labor | Maryland |
| 17 | Hattie Powell | 45 | Wife | — | Maryland |
| 18 | Robert Powell | 23 | Son | Farm Labor | Maryland |
| 19 | Ida Powell | 21 | Daughter | Servant | Maryland |
| 20 | Eunice Powell | 16 | Daughter | — | Maryland |
| 21 | Fill Powell | 12 | Son | — | Maryland |
| 22 | James Powell | 8 | Son | — | Maryland |
| 23 | Mary Powell | 6 | Daughter | — | Maryland |
| 24 | Gladys Powell | 5 | Daughter | — | Maryland |
| 25 | Ernest Cook | 44 | Head | Farm Labor | Maryland |
| 26 | Gladys Cook | 34 | Wife | — | Maryland |
| 27 | Ernest R. Cook | 19 | Son | Cook | Maryland |
| 28 | Daniel R. Cook | 18 | Son | — | Maryland |
| 29 | Sylvester Cook | 16 | Son | Farm Labor | Maryland |
| 30 | George A. Cook | 14 | Son | — | Maryland |
| 31 | Blanchard Cook | 12 | Son | — | Maryland |
| 32 | Romaine J. Cook | 10 | Daughter | — | Maryland |
| 33 | Sarah E. Cook THIS PERSON | 8 | Daughter | — | Maryland |
| 34 | Doris E. Cook | 5 | Daughter | — | Maryland |
| 35 | Allen Cook | 3 | Son | — | Maryland |
| 36 | William Duvall | 48 | Head | Man Farm | Maryland |
| 37 | Ida Duvall | 45 | Wife | Mill Maid | Virginia |
| 38 | Louisa Duvall | 20 | Daughter | — | Maryland |
| 39 | Margaret Duvall | 18 | Daughter | — | Maryland |
| 40 | Maybelle Duvall | 16 | Daughter | — | 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)