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Harry Davis — 1920 US Census Record
Model Tree available1920 United States Federal Census · Frederick, Maryland
Our Model Tree links this Harry Davis across the 1900, 1910 and 1920 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed), with identified parents William & Albert — first a son (b.~1903), then head of a 6-person household.
Age 17
b. ~1903
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Frederick, Maryland |
| Surname | Davis |
| Given Name | Harry T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1903 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Naomi Davis | Daughter | — | 15 | ~1905 |
| John Davis | Head | — | 45 | ~1875 |
| John Davis | Son | — | 14 | ~1906 |
| Harry Davis | Son | — | 17 | ~1903 |
| Elmer Davis | Son | — | 11 | ~1909 |
| Florence Davis | Spouse | — | 51 | ~1869 |
Census Appearances
1900
Frederick, Maryland
Son, age
Frederick, Maryland · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Apr |
| Birth Year | 1900 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Son, age 9
Frederick, Maryland · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Howard C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Son, age 17
Frederick, Maryland · implied b. ~1903 — 6 household members
| Surname | Davis |
| Given Name | Harry T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| 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 Harry Davis across 3 US Census years (1900, 1910 and 1920) in Frederick, Maryland, using XGBoost record linkage. Identified parents: father William Davis (~0.92 confidence) and father Albert Davis (~0.92 confidence) and mother Florence Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence) and father John Davis (~0.92 confidence) and mother Sarah Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Davis
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Albert Davis
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Florence Davis
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
John Davis
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Sarah Davis
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Davis
Son · 1920 · age 17 · b. ~1903 · Maryland
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Sibling
John Davis
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Davis
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Davis
Sibling · 1920 · age 11
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
1920 US Federal Census — Frederick, Maryland
Open full size
1920 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu672unit:0743)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marie V. Saunders | 24 | Head | — | Austria |
| 52 | George T. Saunders | 1 | Son | — | Maryland |
| 53 | Thomas W. Duvall | 31 | Head | Telegraph Operator | Maryland |
| 54 | Dora A. Duvall | 28 | Wife | — | Maryland |
| 55 | Gordon W. Duvall | 10 | Son | — | Maryland |
| 56 | Audrey Duvall | 5 | Daughter | — | Maryland |
| 57 | Daniel M. Ball | 61 | Head | Wagon Maker | Maryland |
| 58 | Lizzie E. Ball | 59 | Wife | — | Maryland |
| 59 | Alice V. Barlow | 63 | Head | — | Maryland |
| 60 | Timothy Barlow | 41 | Boarder | — | Maryland |
| 61 | Luther T. Harrison | 62 | Head | Machinist | Maryland |
| 62 | Mary M. Harrison | 56 | Wife | — | Maryland |
| 63 | Richard T. Harrison | 23 | Son | Moulder | Maryland |
| 64 | Hollis Mildred J. Harrison | 28 | Daughter | Bookkeeper | Maryland |
| 65 | Edgar G. Harrison | 5 | Grandson | — | West Virginia |
| 66 | Morton T. Leage | 22 | Head | Vulcanizer | Maryland |
| 67 | Hallie M. Leage | 22 | Wife | — | Maryland |
| 68 | Dorothy A. Leage | 1 | Daughter | — | Maryland |
| 69 | Harry M. Williams | 25 | Head | Steam Fitter | Maryland |
| 70 | Pearl E. Williams | 24 | Wife | — | Maryland |
| 71 | Margaret E. Williams | 1 | Daughter | — | Maryland |
| 72 | William H. O'Hara | 31 | Head | Fireman | Maryland |
| 73 | Nellie A. O'Hara | 31 | Wife | — | Maryland |
| 74 | William E. O'Hara | 8 | Son | — | Maryland |
| 75 | Bruce T. O'Hara | 6 | Son | — | Maryland |
| 76 | Alice C. Ray | 63 | Head | — | Maryland |
| 77 | Russell T. Ray | 15 | Son | Baker | Maryland |
| 78 | Charles Hebb | 27 | Boarder | Chauffeur | Maryland |
| 79 | Byrne Dewitt | 21 | Boarder | Chauffeur | Virginia |
| 80 | George R. Mohr | 60 | Head | Watchman | Maryland |
| 81 | Catherine M. Mohr | 60 | Wife | — | Maryland |
| 82 | Mary N. Mohr | 22 | Daughter | Hand Maker | Maryland |
| 83 | Charles A. Michel | 33 | Head | Salesman | Maryland |
| 84 | Ada G. Michel | 25 | Wife | — | Maryland |
| 85 | Harry L. Marman | 38 | Head | Truck Driver | Maryland |
| 86 | Mabel C. Marman | 37 | Wife | — | Maryland |
| 87 | Charles H. Marman | 5 | Son | — | Maryland |
| 88 | Lewis H. Marman | 3 | Son | — | Maryland |
| 89 | Harvey H. Bowers | 53 | Head | Conductor | Maryland |
| 90 | Harry L. Runkles | 25 | Head | Machinist | Maryland |
| 91 | Elizabeth Runkles | 24 | Wife | — | Indiana |
| 92 | Vera Runkles | 1 | Daughter | — | Maryland |
| 93 | John N. Davis | 45 | Head | Machinist | Maryland |
| 94 | Florence A. Davis | 51 | Wife | — | Maryland |
| 95 | Harry T. Davis THIS PERSON | 17 | Son | — | Maryland |
| 96 | Naomi M. Davis | 15 | Daughter | — | Maryland |
| 97 | John F. Davis | 14 | Son | — | Maryland |
| 98 | Elmer R. Davis | 11 | Son | — | Maryland |
| 99 | Harry F. Duvall | 48 | Head | — | Maryland |
| 100 | Nancy E. Duvall | 14 | Daughter | Clerk | Maryland |
Related Census Records
Pedigree Summary
Harry + 3 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)