JD
John Dean — 1930 US Census Record
Model Tree available1930 United States Federal Census · Dorchester, Maryland
Our Model Tree links this John Dean across the 1910, 1920 and 1930 US Censuses in Dorchester, Maryland (XGBoost, ~Confirmed), with identified parents John & Sarah — first a head (b.~1897), then head of a 3-person household.
Age 33
b. ~1897
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Dorchester, Maryland |
| Surname | Dean |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Waterman |
| Industry | Runing Vessel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Waterman |
| Township / Ward | Hoopers Island District No 6 |
| 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Dean | Head | — | 33 | ~1897 |
| Boyce Dean | Son | — | 5 | ~1925 |
| Alice Dean | Spouse | — | 25 | ~1905 |
Census Appearances
1910
Dorchester, Maryland
Son, age 13
Dorchester, Maryland · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| 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
Dorchester, Maryland
Son, age 22
Dorchester, Maryland · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dean |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Sailor |
| Industry | Power Boat |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Dorchester, Maryland
Head, age 33
Dorchester, Maryland · implied b. ~1897 — 3 household members
| Surname | Dean |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Waterman |
| Industry | Runing Vessel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Radio Set | R |
| 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 John Dean across 3 US Census years (1910, 1920 and 1930) in Dorchester, Maryland, using XGBoost record linkage. Identified parents: father John Dean (~0.92 confidence) and mother Sarah Dean (~0.92 confidence) and mother Katie Dean (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Dean
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Sarah Dean
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Katie Dean
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Dean
Head · 1930 · age 33 · b. ~1897 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Dorchester, Maryland
Open full size
1930 US Federal Census — Dorchester, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus873unit:0687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Applegarth | 45 | Head | Salesman | Maryland |
| 2 | Elizabeth Applegarth | 39 | Wife | — | Maryland |
| 3 | Elizabeth Applegarth | 9 | Daughter | — | Maryland |
| 4 | J. Herbert Applegarth | 1 | Son | — | Maryland |
| 5 | Hattie Spicer | 23 | Servant | — | Maryland |
| 6 | Lafayette F. Loyed | 46 | Head | Broker | Maryland |
| 7 | Mary E. Loyed | 39 | Wife | Carpenter | Maryland |
| 8 | Lafayette F. Jr. Loyed | 17 | Son | — | Maryland |
| 9 | Ruth A. Loyed | 16 | Daughter | Printer | Maryland |
| 10 | Roland M. Loyed | 13 | Son | — | Maryland |
| 11 | Harold E. Loyed | 11 | Son | — | Maryland |
| 12 | Edward L. Loyed | 7 | Son | — | Maryland |
| 13 | Emerson R. Loyed | 3 | Son | — | Maryland |
| 14 | Sarah J. Creighton | 67 | Mother | — | Maryland |
| 15 | Isaac H. Roach | 29 | Head | Fisherman | Maryland |
| 16 | Mildred B. Roach | 23 | Wife | — | Maryland |
| 17 | Hellen M. Roach | 6 | Daughter | — | Maryland |
| 18 | Royce A. Roach | 4 | Son | — | Maryland |
| 19 | Chas. W. Phillips | 43 | Head | Fisherman | Maryland |
| 20 | Lillie M. Phillips | 45 | Wife | — | Maryland |
| 21 | Violet S. Phillips | 9 | Daughter | — | Maryland |
| 22 | Henry G. Phillips | 6 | Son | — | Maryland |
| 23 | Emma V. Phillips | 70 | Mother | — | Maryland |
| 24 | John H. Dean THIS PERSON | 33 | Head | Waterman | Maryland |
| 25 | Alice L. Dean | 25 | Wife | — | Maryland |
| 26 | Boyce G. Dean | 5 | Son | — | Maryland |
| 27 | Lee D. Tolley | 31 | Head | Carpenter | Maryland |
| 28 | Hilda Tolley | 38 | Wife | — | Maryland |
| 29 | Dewey J. Tolley | 13 | Son | — | Maryland |
| 30 | Vinton L. Tolley | 12 | Son | — | Maryland |
| 31 | Regie G. Lewis | 30 | Head | Waterman | Maryland |
| 32 | Sue E. Lewis | 29 | Wife | — | Maryland |
| 33 | Lola R. Lewis | 8 | Daughter | — | Maryland |
| 34 | Elizabeth Wallace | 46 | Head | — | Maryland |
| 35 | Blanche E. Wallace | 34 | Wife | — | Maryland |
| 36 | William H. Wallace | 16 | Son | Carpenter | Maryland |
| 37 | Viola B. Wallace | 15 | Daughter | — | Maryland |
| 38 | Bessie M. Wallace | 13 | Daughter | — | Maryland |
| 39 | Ardena L. Wallace | 12 | Daughter | — | Maryland |
| 40 | Marten H. Wallace | 10 | Son | — | Maryland |
| 41 | Fannie Wallace | 8 | Daughter | — | Maryland |
| 42 | Josephine S. Wallace | 6 | Daughter | — | Maryland |
| 43 | Tobias H. Wallace | 4 | Son | — | Maryland |
| 44 | Ellie M. Wallace | 2 | Daughter | — | Maryland |
| 45 | Paul H. Wallace | 1 | Son | — | Maryland |
| 46 | Charlie F. Wallace | 34 | Head | — | Maryland |
| 47 | Olive M. Wallace | 17 | Daughter | — | Maryland |
| 48 | Isabel W. Wallace | 15 | Son | — | Maryland |
| 49 | Donnell H. Wallace | 8 | Son | — | Maryland |
| 50 | Laban H. Wallace | 48 | Head | Carpenter | Maryland |
Pedigree Summary
John
Gen 1 · 3 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)