WD
William Dean — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Frederick, Maryland
Our Model Tree links this William Dean across the 1900 and 1910 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a son (b.~1897), then head of a 8-person household.
Age 3
b. ~1897
Male
Son
Born: Maryland
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Frederick, Maryland |
| Surname | Dean |
| Given Name | William McK |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Feb |
| Birth Year | 1897 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Buckeystown District |
| Est. Birth Year | ~1897 |
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.
8 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Hazel Dean | Daughter | — | 7 | ~1893 |
| Lena Dean | Daughter | — | 11 | ~1889 |
| Thomas Dean | Head | — | 57 | ~1843 |
| Walter Dean | Son | — | 1 | ~1899 |
| William Dean | Son | — | 3 | ~1897 |
| Elmer Dean | Son | — | 5 | ~1895 |
| Lewis Dean | Son | — | 13 | ~1887 |
| Lizzie Dean | Spouse | — | 48 | ~1852 |
Census Appearances
1900
Frederick, Maryland
Son, age 3
Frederick, Maryland · implied b. ~1897 — 8 household members
| Surname | Dean |
| Given Name | William McK |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Feb |
| Birth Year | 1897 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Frederick, Maryland
Son, age 12
Frederick, Maryland · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Deane |
| Given Name | Willie C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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 |
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 William Dean across 2 US Census years (1900 and 1910) in Frederick, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
William Dean
Son · 1900 · age 3 · b. ~1897 · Maryland
★ You are viewing this record
Sibling
Elmer Dean
Sibling · 1900 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Dean
Sibling · 1900 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Dean
Sibling · 1900 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Dean
Sibling · 1900 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Dean
Sibling · 1900 · age 7
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:0055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dilla O Nurtz|Dertz | 34 | Wife | — | Maryland |
| 52 | Myrtle Nurtz|Dertz | 9 | Son | — | Maryland |
| 53 | Katie L Nurtz|Dertz | 5 | Daughter | — | Maryland |
| 54 | Charles W Swan | 44 | Head | Grocery Merchant | Virginia |
| 55 | Annie G Swan | 39 | Wife | — | Virginia |
| 56 | Richard Traphagen | 55 | Head | Physician | Maryland |
| 57 | Ellmonia Traphagen | 50 | Wife | — | Virginia |
| 58 | William C Swan | 46 | Head | Day Laborer | Maryland |
| 59 | Emma R Swan | 39 | Wife | — | Maryland |
| 60 | Walter W Swan | 18 | Son | Day Laborer | Maryland |
| 61 | Walter Swan | 8 | Son | — | Maryland |
| 62 | William W Swan | 5 | Son | — | Maryland |
| 63 | Frankie Swan | 2 | Daughter | — | Maryland |
| 64 | Thomas S Poffinberger | 52 | Head | Farmer | Virginia |
| 65 | Annie Poffinberger | 47 | Wife | — | Maryland |
| 66 | William Poffinberger | 20 | Son | School | Maryland |
| 67 | Della Poffinberger | 16 | Daughter | School | Maryland |
| 68 | Lula Poffinberger | 11 | Daughter | School | Maryland |
| 69 | Thomas Dean | 57 | Head | R R Foreman | Maryland |
| 70 | Lizzie Dean | 47 | Wife | — | Maryland |
| 71 | Lewis C Dean | 13 | Son | School | Maryland |
| 72 | Lena G Dean | 11 | Daughter | School | Maryland |
| 73 | Hazel D Dean | 7 | Daughter | — | Maryland |
| 74 | Elmer D Dean | 4 | Son | — | Maryland |
| 75 | William Mck Dean THIS PERSON | 3 | Son | — | Maryland |
| 76 | Walter Dean | 0 | Son | — | Maryland |
| 77 | Charles H Thompson | 46 | Head | Day Laborer | Virginia |
| 78 | Mollie Thompson | 39 | Wife | — | Virginia |
| 79 | Bessie Thompson | 10 | Daughter | School | Virginia |
| 80 | William F Main | 31 | Head | Telegraph Operator | Maryland |
| 81 | Ella M Main | 30 | Wife | — | Maryland |
| 82 | Ruth Main | 8 | Daughter | — | Maryland |
| 83 | Naoma Main | 7 | Daughter | — | Maryland |
| 84 | Allan G Main | 1 | Son | — | Maryland |
| 85 | Nellie R Nichols | 22 | Sister-in-law | House Keeper | Maryland |
| 86 | Joseph L Fry | 35 | Head | Farmer | Virginia |
| 87 | Hannah A Fry | 29 | Wife | — | Virginia |
| 88 | Ethel Fry | 8 | Niece | — | Maryland |
| 89 | Amos Miller | 45 | Hired Hand | Farm Laborer | Virginia |
| 90 | Charles Delauder|Delander | 39 | Head | Threshing Machine | Maryland |
| 91 | Cidny Delauder|Delander | 50 | Wife | House Servant | Maryland |
| 92 | John Delauder|Delander | 24 | Son | Farm Laborer | Maryland |
| 93 | Margaret Delauder|Delander | 11 | Wife | School | Maryland |
| 94 | Alice Delauder|Delander | 6 | Niece | — | Maryland |
| 95 | Edward Delauder|Delander | 5 | Niece | — | Maryland |
| 96 | Lucia Shepherd | 22 | Ad. Daughter | House Keeper | Virginia |
| 97 | John W Nuse | 56 | Head | Farmer | Maryland |
| 98 | Laura V Proctor | 56 | Wife | House Servant | Maryland |
| 99 | Charles Proctor | 19 | Niece | Farm Laborer | Maryland |
| 100 | Cloville Givens | 44 | Head | Merchant | Maryland |
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)