HC
Harry Cook — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Harry Cook across the 1900, 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 4-person household.
Age 42
b. ~1878
Male
Head
Born: Maryland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Cook |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Merchant |
| Industry | Iron Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Merchant |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1878 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Theresa Fohlman | Daughter | — | 32 | ~1888 |
| Harry Cook | Head | — | 42 | ~1878 |
| Mamie Cook | Daughter | — | 16 | ~1904 |
| William Fohlman | Other | — | 36 | ~1884 |
Census Appearances
1900
Baltimore, Maryland
Other, age 21
Baltimore, Maryland · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harry A |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Oct |
| Birth Year | 1879 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Dentist |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Baltimore, Maryland
Head, age 32
Baltimore, Maryland · implied b. ~1878 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harry H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 3 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Salesman |
| Industry | Liquor |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Head, age 42
Baltimore, Maryland · implied b. ~1878 — 4 household members
| Surname | Cook |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Merchant |
| Industry | Iron Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| 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 Harry Cook across 3 US Census years (1900, 1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage.
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This person
Anchor record
Harry Cook
Head · 1920 · age 42 · b. ~1878 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu656unit:0471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Josephine | 4 | Daughter | — | Maryland |
| 52 | Clara | 1 | Daughter | — | Maryland |
| 53 | Elizabeth | 27 | Sister-in-law | Laborer | Maryland |
| 54 | John Jakubiak | 47 | Head | Tailor | Russia Poland |
| 55 | Anna Jakubiak | 38 | Wife | — | German Poland |
| 56 | Alfred Jakubiak | 11 | Son | — | Maryland |
| 57 | Agnes Jakubiak | 8 | Daughter | — | Maryland |
| 58 | Charles Jakubiak | 2 | Son | — | Maryland |
| 59 | Andrew Dom | 29 | Head | Laborer | Maryland |
| 60 | Edna M. Dom | 25 | Wife | — | Maryland |
| 61 | Andrew J. Jr. Dom | 1 | Son | — | Maryland |
| 62 | Joseph Hertka | 46 | Head | Laborer | German Poland |
| 63 | Bertha Hertka | 44 | Wife | — | German Poland |
| 64 | Alexandra Hertka | 20 | Daughter | Laborer | Maryland |
| 65 | Helen Hertka | 19 | Daughter | Cigar Maker | Maryland |
| 66 | Edmond Hertka | 13 | Son | — | Maryland |
| 67 | Bertha Hertka | 7 | Daughter | — | Maryland |
| 68 | Lillian Hertka | 4 | Daughter | — | Maryland |
| 69 | Walter Koryto | 37 | Head | Superintendent | Poland |
| 70 | Mary Koryto | 34 | Wife | Storekeeper | Maryland |
| 71 | Edward Koryto | 12 | Son | — | Maryland |
| 72 | Leo Koryto | 10 | Son | — | Maryland |
| 73 | Julia Koryto | 9 | Daughter | — | Maryland |
| 74 | Genevieve Koryto | 6 | Daughter | — | Maryland |
| 75 | Stanislaus Koryto | 2 | Son | — | Maryland |
| 76 | Harry Cook THIS PERSON | 42 | Head | Merchant | Maryland |
| 77 | Mamie E. Cook | 16 | Daughter | — | Maryland |
| 78 | Theresa Fohlman | 32 | Daughter | — | Maryland |
| 79 | William L. Fohlman | 36 | Son-in-law | Draughtsman | Maryland |
| 80 | Abel G. Roussel | 56 | Head | Contracting Painter | France |
| 81 | Margaret L. Roussel | 51 | Wife | — | Virginia |
| 82 | Abel M. Roussel | 17 | Son | Optician | Maryland |
| 83 | Gertrude M. Roussel | 15 | Daughter | — | Maryland |
| 84 | Mason H. Roussel | 13 | Son | — | Maryland |
| 85 | Mary E. Roussel | 10 | Daughter | — | Maryland |
| 86 | Abel B. Roussel | 8 | Son | — | Maryland |
| 87 | Frank Kowalski | 46 | Head | Laborer | Russia Poland |
| 88 | Anna Kowalski | 42 | Wife | — | Galicia |
| 89 | Alexander Kowalski | 18 | Son | Chauffeur | Maryland |
| 90 | Mary Kowalski | 15 | Daughter | Operator | Maryland |
| 91 | Frank Kowalski | 14 | Son | — | Maryland |
| 92 | Joseph Kowalski | 11 | Son | — | Maryland |
| 93 | Anna Kowalski | 9 | Daughter | — | Maryland |
| 94 | Helen Kowalski | 7 | Daughter | — | Maryland |
| 95 | Albert Kowalski | 5 | Son | — | Maryland |
| 96 | Martha Kowalski | 2 | Daughter | — | Maryland |
| 97 | Howard S. Trautling | 32 | Head | Carpenter | Maryland |
| 98 | Mary Trautling | 28 | Wife | — | Maryland |
| 99 | Frank Kowalski | 27 | Head | Helper | Russia Poland |
| 100 | Florence Kowalski | 21 | Wife | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)