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William Holland — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Worcester, Maryland
Our Model Tree links this William Holland across the 1920 and 1930 US Censuses in Worcester, Maryland (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 8-person household.
Age 23
b. ~1907
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Maryland |
| Surname | Holland |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Agent |
| Industry | Truck farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Agent |
| Township / Ward | Berlin Town Part |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Virginia Holland | Daughter | — | 11 | ~1919 |
| Mildred Holland | Daughter | — | 15 | ~1915 |
| Dorothy Holland | Daughter | — | 10 | ~1920 |
| Robley Holland | Head | — | 42 | ~1888 |
| Robley Holland | Son | — | 13 | ~1917 |
| William Holland | Son | — | 23 | ~1907 |
| James Holland | Son | — | 12 | ~1918 |
| Annie Holland | Spouse | — | 38 | ~1892 |
Census Appearances
1920
Worcester, Maryland
Son, age 13
Worcester, Maryland · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holland |
| Given Name | Willard H |
| 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 | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Worcester, Maryland
Son, age 23
Worcester, Maryland · implied b. ~1907 — 8 household members
| Surname | Holland |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Agent |
| Industry | Truck farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Holland across 2 US Census years (1920 and 1930) in Worcester, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
William Holland
Son · 1930 · age 23 · b. ~1907 · Maryland
★ You are viewing this record
Sibling
Mildred Holland
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Holland
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Holland
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Holland
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robley Holland
Sibling · 1930 · age 13
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 — Worcester, Maryland
Open full size
1930 US Federal Census — Worcester, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus880unit:0333)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irene Skagg | 11 | Daughter | — | Maryland |
| 2 | Walter J Massey | 30 | Head | — | Maryland |
| 3 | Edmond T Massey | 12 | Son | — | Maryland |
| 4 | William H Massey | 10 | Son | — | Maryland |
| 5 | Virginia L Massey | 5 | Daughter | — | Maryland |
| 6 | Harry G Dandson | 62 | Head | Electrician | Maryland |
| 7 | Carl Leslie Dennis | 40 | Head | Brick-Mason | Maryland |
| 8 | Augusta Dennis | 40 | Wife | — | Maryland |
| 9 | Ruth Dennis | 17 | Daughter | — | Maryland |
| 10 | Alice Dennis | 15 | Daughter | — | Maryland |
| 11 | Mary Dennis | 13 | Daughter | — | Maryland |
| 12 | Elizabeth Dennis | 12 | Daughter | — | Maryland |
| 13 | Harry Dennis | 11 | Son | — | Maryland |
| 14 | Lucille Dennis | 9 | Daughter | — | Maryland |
| 15 | Richard Dennis | 4 | Son | — | Maryland |
| 16 | Robert Dennis | 2 | Son | — | Maryland |
| 17 | Robley J Holland | 42 | Head | Carpenter | Maryland |
| 18 | Annie M Holland | 38 | Wife | — | Maryland |
| 19 | Robley J Jr Holland | 13 | Son | — | Maryland |
| 20 | Virginia L Holland | 11 | Daughter | — | Maryland |
| 21 | William H Holland THIS PERSON | 23 | Son | Agent | Maryland |
| 22 | Mildred Holland | 15 | Daughter | — | Maryland |
| 23 | James Holland | 12 | Son | — | Maryland |
| 24 | Dorothy Holland | 10 | Daughter | — | Maryland |
| 25 | Minnie S Carey | 54 | Head | — | Maryland |
| 26 | Elizabeth M Hastings | 21 | Daughter | Saleslady | Maryland |
| 27 | S Ferrell Hastings | 21 | Son | Clerk | Maryland |
| 28 | Rosalie S Hastings | 14 | Son | — | Maryland |
| 29 | Edward H Dennis | 23 | Head | Truck Driver | Maryland |
| 30 | Katharine M Dennis | 21 | Wife | — | Maryland |
| 31 | Jeanette S Dennis | 3 | Daughter | — | Maryland |
| 32 | Jesse Tucker | 66 | Head | Agent | Kansas |
| 33 | Frank C Donaway | 58 | Head | Merchant | Ohio |
| 34 | Horace C Kemper | 50 | Head | Proprietor | Maryland |
| 35 | Amanda C Kemper | 50 | Wife | — | Maryland |
| 36 | Emma O Kemper | 77 | Mother | — | Maryland |
| 37 | Gertrude L Updyke | 50 | Head | Teacher | Maryland |
| 38 | Edith Updyke | 48 | Sister | Teacher | Maryland |
| 39 | John A Purnell | 61 | Head | Dentist | Maryland |
| 40 | Mary Purnell | 60 | Head | Billard | Maryland |
| 41 | J Jeremiah Bowen | 71 | Head | — | Maryland |
| 42 | Lillie H Bowen | 71 | Wife | — | Maryland |
| 43 | Sewell H Cottingham | 62 | Head | — | Maryland |
| 44 | Ida L Cottingham | 58 | Wife | — | Maryland |
| 45 | Jennie L Cottingham | 28 | Daughter | — | Maryland |
| 46 | Louis H Cottingham | 30 | Son | Labourer | Maryland |
| 47 | Charles H Jarman | 67 | Head | Carpenter | Maryland |
| 48 | Annie E Jarman | 54 | Wife | — | Maryland |
| 49 | Edward S Jacobs | 78 | Roomer | — | Maryland |
| 50 | Margaret E Jacobs | 68 | Roomer | — | Pennsylvania |
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)