MC
Margaret Cook — 1900 US Census Record
Model Tree available1900 United States Federal Census · Frederick, Maryland
Our Model Tree links this Margaret Cook across the 1900, 1910 and 1920 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed), with identified parents Benjamin & Benjamin — first a daughter (b.~1895), then head of a 5-person household.
Age 5
b. ~1895
Female
Daughter
Born: Maryland
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Frederick, Maryland |
| Surname | Cook |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Oct |
| Birth Year | 1895 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Frederick Dist |
| Est. Birth Year | ~1895 |
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 1900 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Cook | Daughter | — | 5 | ~1895 |
| Benjamin Cook | Head | — | 40 | ~1860 |
| Anna Reed | Other | — | 65 | ~1835 |
| Charles Cook | Son | — | 10 | ~1890 |
| Georgia Cook | Spouse | — | 27 | ~1873 |
Census Appearances
1900
Frederick, Maryland
Daughter, age 5
Frederick, Maryland · implied b. ~1895 — 5 household members
| Surname | Cook |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Oct |
| Birth Year | 1895 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Frederick, Maryland
Daughter, age 13
Frederick, Maryland · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Marguerite |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Daughter, age 22
Frederick, Maryland · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Myrtle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Saleslady |
| Industry | Dry goods store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Margaret Cook across 3 US Census years (1900, 1910 and 1920) in Frederick, Maryland, using XGBoost record linkage. Identified parents: father Benjamin Cook (~0.92 confidence) and father Benjamin Cook (~0.92 confidence) and mother Lydia Cook (~0.92 confidence) and mother Florence Cook (~0.92 confidence) and mother Georgia Cook (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Cook
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Benjamin Cook
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Lydia Cook
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Florence Cook
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Georgia Cook
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Cook
Daughter · 1900 · age 5 · b. ~1895 · Maryland
★ You are viewing this record
Sibling
Charles Cook
Sibling · 1900 · age 10
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
1900 US Federal Census — Frederick, Maryland
Open full size
1900 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu622unit:0232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles H Staley | 46 | Head | Piano Packer | Maryland |
| 2 | Rebecca M Staley | 39 | Wife | — | Maryland |
| 3 | Francis S Staley | 12 | Son | At School | Maryland |
| 4 | Ann S Staley | 10 | Daughter | At School | Maryland |
| 5 | Robert H Staley | 8 | Son | At School | Maryland |
| 6 | Charles Staley | 6 | Son | — | Maryland |
| 7 | Rebecca Staley | 2 | Daughter | — | Maryland |
| 8 | Elizabeth Staley | 1 | Daughter | — | Maryland |
| 9 | James Townsend | 80 | Head | Farm Laborer | Maryland |
| 10 | Fannie Townsend | 69 | Wife | — | Maryland |
| 11 | Henry Ingram | 50 | Head | Day Laborer | Virginia |
| 12 | Charles Dorsey | 50 | Head | Farm Laborer | Maryland |
| 13 | Ida Dorsey | 25 | Wife | — | Maryland |
| 14 | William Dorsey | 15 | Son | Servant | Maryland |
| 15 | Laura Johnson | 28 | Head | Cook | Maryland |
| 16 | Cornelius Reed | 25 | Head | — | Maryland |
| 17 | Ruthie Hill | 4 | Daughter | — | Maryland |
| 18 | Benjamin Cook | 40 | Head | Hotel Porter | Maryland |
| 19 | Georgia Cook | 26 | Wife | — | Maryland |
| 20 | Charles Cook | 9 | Son | At School | Maryland |
| 21 | Margaret Cook THIS PERSON | 4 | Daughter | — | Maryland |
| 22 | Anna Reed | 65 | Boarder | — | Maryland |
| 23 | Abram Johnson | 66 | Head | Laborer (Livery) | Maryland |
| 24 | Hester Johnson | 19 | Son | Laborer (Livery) | Maryland |
| 25 | Louise Johnson | 44 | Daughter | Servant | Maryland |
| 26 | Laura Gidrick | 38 | Head | Servant | Maryland |
| 27 | Edw Cammel | 34 | Head | Shoemaker | Maryland |
| 28 | Manna Ogle | 27 | Boarder | Servant | Maryland |
| 29 | George Bradshaw | 22 | Head | Drayman | Maryland |
| 30 | Costella Bradshaw | 19 | Wife | — | Maryland |
| 31 | Susan Bradshaw | 1 | Daughter | — | Maryland |
| 32 | Maldia Bradshaw | 0 | Daughter | — | Maryland |
| 33 | George M Bradshaw | 30 | Head | B. R. Baggage Master | Maryland |
| 34 | Florence Bradshaw | 25 | Wife | — | Maryland |
| 35 | Lillie M Brown | 27 | Sister | — | Maryland |
| 36 | Austin Bradshaw | 3 | Son | — | Maryland |
| 37 | Charles Bradshaw | 1 | Son | — | Maryland |
| 38 | William Yong | 53 | Head | Day Laborer | Maryland |
| 39 | Harriet Yong | 30 | Wife | — | Maryland |
| 40 | Lizabeth Yong | 7 | Daughter | At School | Maryland |
| 41 | Harrison Smith | 3 | Son | — | Maryland |
| 42 | Estella Smith | 1 | Daughter | — | Maryland |
| 43 | Hanna Johnson | 44 | Head | Servant | Maryland |
| 44 | Dondri Yong | 50 | Boarder | Servant | Maryland |
| 45 | Ada M Johnson | 9 | Boarder | At School | Maryland |
| 46 | Samuel Hall | 20 | Boarder | Laborer (Malling) | Maryland |
| 47 | William Bennett | 29 | Head | Cabinet Maker | Maryland |
| 48 | Nettie Bennett | 25 | Wife | — | Maryland |
| 49 | Maurice Bennett | 4 | Son | — | Maryland |
| 50 | Russle Bennett | 2 | Son | — | Maryland |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)