WD
William Dean — 1930 US Census Record
Model Tree available1930 United States Federal Census · Caroline, Maryland
Our Model Tree links this William Dean across the 1920, 1930 and 1940 US Censuses in Caroline, Maryland (XGBoost, ~Confirmed), with identified parents Marion & Nettie — first a son (b.~1914), then head of a 5-person household.
Age 16
b. ~1914
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Caroline, Maryland |
| Surname | Dean |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 6Th Election District Pt Of |
| Est. Birth Year | ~1914 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Nettie Dean | Daughter | — | 21 | ~1909 |
| Marion Dean | Head | — | 57 | ~1873 |
| Nettie Dean | Other | — | 50 | ~1880 |
| Zelly Dean | Other | — | 3 | ~1927 |
| William Dean | Son | — | 16 | ~1914 |
Census Appearances
1920
Caroline, Maryland
Son, age 6
Caroline, Maryland · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Caroline, Maryland
Son, age 16
Caroline, Maryland · implied b. ~1914 — 5 household members
| Surname | Dean |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Head, age 26
Washington-County, Maryland · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Den |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Boonsboro |
| 1935 Residence (County) | Washington |
| Occupation | Labor |
| Industry | Park Project W.P.A. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 282 |
| Highest Grade | No 8 |
| 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 William Dean across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Marion Dean (~0.92 confidence) and mother Nettie Dean (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Marion Dean
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Nettie Dean
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Dean
Son · 1930 · age 16 · b. ~1914 · Maryland
★ You are viewing this record
Sibling
Nettie Dean
Sibling · 1930 · age 21
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
1930 US Federal Census — Caroline, Maryland
Open full size
1930 US Federal Census — Caroline, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus871unit:1085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Morgie Moaney | 5 | Daughter | None | Maryland |
| 52 | Zadra Moaney | 12 | Daughter | None | Maryland |
| 53 | Phillip Simpson | 58 | Head | Farmer | Maryland |
| 54 | Mildred Simpson | 56 | Wife-H | None | Maryland |
| 55 | Maggie Harris | 24 | Daughter | None | Maryland |
| 56 | Walter Harris | 25 | Son-in-law | Laborer | Maryland |
| 57 | Leona Harris | 5 | Grand daughter | None | Maryland |
| 58 | Blanche Harris | 4 | Grand daughter | None | Maryland |
| 59 | Laura Harris | 2 | Grand daughter | None | Maryland |
| 60 | Walter Harris | 0 | Grand son | None | Maryland |
| 61 | Olin Harris | 20 | Grand son | Laborer | Maryland |
| 62 | Shadrack Flamer | 53 | Head | Farmer | Maryland |
| 63 | Leonard Fisher | 48 | Head | Laborer | Maryland |
| 64 | Virginia Fisher | 30 | Wife-H | None | Maryland |
| 65 | James Brooks | 51 | Head | Farmer | Maryland |
| 66 | Dorothy Brooks | 21 | Wife-H | None | Maryland |
| 67 | William Chambers | 20 | Boarder | Laborer | Maryland |
| 68 | Marion Dean | 57 | Head | Mechanic | Maryland |
| 69 | Nettie Dean | 50 | Wife-H | None | Maryland |
| 70 | Nettie Dean | 21 | Daughter | None | Maryland |
| 71 | William Dean THIS PERSON | 16 | Son | None | Maryland |
| 72 | Zelly Dean | 3 | Grand daughter | None | Maryland |
| 73 | Victor Flamer | 36 | Head | Farmer | Maryland |
| 74 | Lillie Flamer | 36 | Wife-H | Laundress | Maryland |
| 75 | Lester Flamer | 12 | Son | None | Maryland |
| 76 | Victoria Flamer | 10 | Son | None | Maryland |
| 77 | Charlie Flamer | 8 | Son | None | Maryland |
| 78 | Gideon Flamer | 7 | Son | None | Maryland |
| 79 | Columbus Flamer | 4 | Son | None | Maryland |
| 80 | Pauline Flamer | 1 | Daughter | None | Maryland |
| 81 | John Hammer | 52 | Head | Farmer | Maryland |
| 82 | Charlotte Hammer | 50 | Wife-H | None | Maryland |
| 83 | Margaret Hammer | 25 | Daughter | None | Maryland |
| 84 | Charlie Hammer | 16 | Son | Laborer | Maryland |
| 85 | Arthur Hammer | 15 | Son | None | Maryland |
| 86 | William Daniel | 48 | Head | Farmer | Maryland |
| 87 | Rosanna Daniel | 58 | Wife-H | None | Maryland |
| 88 | Hilda Daniel | 6 | Daughter | — | Maryland |
| 89 | Webster Dickson | 32 | Nephew | Laborer | Maryland |
| 90 | John Martin | 59 | Uncle | Laborer | Maryland |
| 91 | John Martin | 21 | Nephew | Laborer | Maryland |
| 92 | Roland Martin | 20 | Grand nephew | Laborer | Maryland |
| 93 | Louis Hammer | 48 | Head | Farmer | Maryland |
| 94 | Lillie Hammer | 38 | Sister | None | Maryland |
| 95 | William Hammer | 13 | Nephew | None | Maryland |
| 96 | Arthur Hammer | 4 | Nephew | None | Maryland |
| 97 | Bernard Hammer | 2 | Nephew | None | Maryland |
| 98 | Norman Hayman | 39 | Head | Farmer | Maryland |
| 99 | Mamie Hayman | 30 | Wife-H | None | Maryland |
| 100 | Marie Hayman | 13 | Daughter | None | Maryland |
Pedigree Summary
William + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)