EC
Ethel Clark — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegany, Maryland
Our Model Tree links this Ethel Clark across the 1920 and 1930 US Censuses in Allegany, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 9-person household.
Age 17
b. ~1913
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegany, Maryland |
| Surname | Clark |
| Given Name | Ethel C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District No 9 Barton |
| Est. Birth Year | ~1913 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Ethel Clark | Daughter | — | 17 | ~1913 |
| Ora Clark | Daughter | — | 15 | ~1915 |
| Charles Clark | Head | — | 41 | ~1889 |
| Christina Clark | Other | — | 41 | ~1889 |
| Godfrey Clark | Son | — | 12 | ~1918 |
| Vincent Clark | Son | — | 9 | ~1921 |
| Marshal Clark | Son | — | 7 | ~1923 |
| William Clark | Son | — | 11 | ~1919 |
| Donald Clark | Son | — | 4 | ~1926 |
Census Appearances
1920
Allegany, Maryland
Daughter, age 7
Allegany, Maryland · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ethel C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Allegany, Maryland
Daughter, age 17
Allegany, Maryland · implied b. ~1913 — 9 household members
| Surname | Clark |
| Given Name | Ethel C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | England |
| Can Read/Write | 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 Ethel Clark across 2 US Census years (1920 and 1930) in Allegany, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Ethel Clark
Daughter · 1930 · age 17 · b. ~1913 · Maryland
★ You are viewing this record
Sibling
William Clark
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Clark
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Clark
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Godfrey Clark
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ora Clark
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marshal Clark
Sibling · 1930 · 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
1930 US Federal Census — Allegany, Maryland
Open full size
1930 US Federal Census — Allegany, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus843unit:1050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Stanley C Moore | 45 | Head | Miner | Maryland |
| 52 | Annie Moore | 43 | Wife-H | — | Pennsylvania |
| 53 | Geneva M Moore | 12 | Daughter | — | Maryland |
| 54 | William C Herrick | 40 | Head | Farmer | West Virginia |
| 55 | Julia E Herrick | 32 | Wife-H | — | Maryland |
| 56 | William F Herrick | 14 | Son | — | Maryland |
| 57 | Eldridge E Herrick | 11 | Son | — | Maryland |
| 58 | Austin P Herrick | 8 | Son | — | Maryland |
| 59 | Mary E Herrick | 7 | Daughter | — | Maryland |
| 60 | Samuel J Hartman | 79 | Head | Farmer | Maryland |
| 61 | Annie Hartman | 61 | Wife-H | — | Maryland |
| 62 | Ralph Hartman | 25 | Son | Farm Laborer | Maryland |
| 63 | Samuel Hartman | 18 | Son | — | Maryland |
| 64 | Mary Hartman | 15 | Daughter | — | Maryland |
| 65 | Clarence Hartman | 13 | Son | — | Maryland |
| 66 | Howard Hartman | 11 | Son | — | Maryland |
| 67 | Mary Hartman | 7 | Daughter | — | Maryland |
| 68 | Mary Muss | 83 | Head | — | Maryland |
| 69 | Florence Muss | 53 | Daughter | — | Maryland |
| 70 | Charles A Muss | 42 | Son | Farmer | Maryland |
| 71 | Genevieve R Muss | 39 | Wife-H | — | Pennsylvania |
| 72 | Katharine M Muss | 10 | Daughter | — | Maryland |
| 73 | Mary E Muss | 8 | Daughter | — | Maryland |
| 74 | Charles R Muss | 3 | Son | — | Maryland |
| 75 | Helen E Muss | 1 | Daughter | — | Maryland |
| 76 | Samuel Brightingle | 61 | Head | Farmer | England |
| 77 | Arthur P Llewellyn | 33 | Head | Miner | Maryland |
| 78 | Sarah G Llewellyn | 28 | Wife-H | — | Maryland |
| 79 | Everet L Llewellyn | 8 | Son | — | Maryland |
| 80 | Nelda M Llewellyn | 7 | Daughter | — | Maryland |
| 81 | Arthur P Llewellyn | 1 | Son | — | Maryland |
| 82 | Stella M Llewellyn | 13 | Sister | — | Maryland |
| 83 | George A Muss | 51 | Brother-in-law | Farm Laborer | Maryland |
| 84 | Samuel J Clark | 36 | Head | Farmer | Maryland |
| 85 | Mary E Clark | 23 | Wife-H | — | Maryland |
| 86 | Calvin R Clark | 3 | Son | — | Maryland |
| 87 | Kenneth S Clark | 2 | Son | — | Maryland |
| 88 | Evelyn E Clark | 1 | Daughter | — | Maryland |
| 89 | Jefferson Clark | 72 | Father | Farm Laborer | Ohio |
| 90 | Charles W Clark | 41 | Head | Farmer | Maryland |
| 91 | Christina R Clark | 41 | Wife-H | — | England |
| 92 | Ethel C Clark THIS PERSON | 17 | Daughter | — | Maryland |
| 93 | Ora C Clark | 15 | Daughter | — | Maryland |
| 94 | Godfrey C Clark | 12 | Son | — | Maryland |
| 95 | William L Clark | 11 | Son | — | Maryland |
| 96 | Vincent S Clark | 9 | Son | — | Maryland |
| 97 | Marshal F Clark | 7 | Son | — | Maryland |
| 98 | Donald F Clark | 4 | Son | — | Maryland |
| 99 | William H Clark | 49 | Head | Farmer | Maryland |
| 100 | Ida J Clark | 43 | Wife-H | — | West Virginia |
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)