AC
Ada Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Ada Clark across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a daughter (b.~1894), then head of a 5-person household.
Age 36
b. ~1894
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Clark |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Clerk |
| Industry | Candy Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Clerk |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1894 |
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 Ada | Age | Birth yr |
|---|---|---|---|---|
| Walter Felka | Other | — | 44 | ~1886 |
| Thomas Clark | Head | — | 68 | ~1862 |
| Jane Clark | Other | — | 66 | ~1864 |
| Ada Clark | Daughter | — | 36 | ~1894 |
| Helen Felka | Daughter | — | 41 | ~1889 |
Census Appearances
1920
None, Maryland
Daughter, age 26
None, Maryland · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Maryland |
| Occupation | Forelady |
| Industry | Candy Fac. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 36
Baltimore, Maryland · implied b. ~1894 — 5 household members
| Surname | Clark |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Candy Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 47
Baltimore-City-County, Maryland · implied b. ~1893 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Alda L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 Ada Clark across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Thomas Clark (~0.92 confidence) and father Thomas Clark (~0.92 confidence) and mother Jane Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Clark
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Thomas Clark
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Jane Clark
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ada Clark
Daughter · 1930 · age 36 · b. ~1894 · Maryland
★ You are viewing this record
Sibling
Helen Felka
Sibling · 1930 · age 41
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
48 people indexed on this census page (ia:1930:15thcensus869unit:0874)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Raymond Shipley | 9 | Boarder | — | Maryland |
| 52 | George Yeagle | 36 | Head | Huckster | Maryland |
| 53 | Madeline Yeagle | 34 | Wife-H | — | Maryland |
| 54 | Margaret Yeagle | 13 | Daughter | — | Maryland |
| 55 | Dorothy Yeagle | 12 | Daughter | — | Maryland |
| 56 | Lawrence Coleman | 40 | Head | Chauffeur | Maryland |
| 57 | Eva Coleman | 39 | Wife-H | — | Maryland |
| 58 | Walter Coleman | 16 | Son | — | Maryland |
| 59 | William H. Debus | 37 | Head | Gardner | Maryland |
| 60 | Gertrude Debus | 33 | Wife-H | — | Maryland |
| 61 | Mary J. Debus | 12 | Daughter | — | Maryland |
| 62 | Edgar Martin | 33 | Head | Salesman | Maryland |
| 63 | Mary Martin | 27 | Wife-H | — | Maryland |
| 64 | Herbert G. Smith | 42 | Head | Foreman | Maryland |
| 65 | Marie Smith | 37 | Wife-H | — | Maryland |
| 66 | John Smith | 15 | Son | — | Maryland |
| 67 | John T. Brenning | 49 | Head | Telegrapher | Maryland |
| 68 | Olive Brenning | 42 | Wife-H | — | Maryland |
| 69 | Dorothy Brenning | 12 | Daughter | — | Maryland |
| 70 | Fred Lutz | 35 | Head | Carpenter | Maryland |
| 71 | Margaret Lutz | 34 | Wife-H | — | Maryland |
| 72 | Margaret Lutz | 14 | Daughter | — | Maryland |
| 73 | Ruth Lutz | 12 | Daughter | — | Maryland |
| 74 | Thomas Lutz | 11 | Son | — | Maryland |
| 75 | Donald Lutz | 10 | Son | — | Maryland |
| 76 | Thomas Clark | 68 | Head | Investigator | New Jersey |
| 77 | Jane Clark | 66 | Wife-H | — | Maryland |
| 78 | Ada Clark THIS PERSON | 36 | Daughter | Clerk | Maryland |
| 79 | Walter Felka | 44 | Son-in-law | Clerk | Maryland |
| 80 | Helen Felka | 41 | Daughter | — | Maryland |
| 81 | Harry Steppman | 42 | Head | Owner | Russia |
| 82 | Katie Steppman | 38 | Wife-H | — | Maryland |
| 83 | Isabelle Steppman | 15 | Daughter | — | Maryland |
| 84 | Morris Steppman | 10 | Son | — | Maryland |
| 85 | Roy Deloshney | 26 | Head | Scraper | Maryland |
| 86 | Ruth Deloshney | 27 | Wife-H | — | Maryland |
| 87 | Clarence Deloshney | 8 | Son | — | Maryland |
| 88 | Robert Deloshney | 3 | Son | — | Maryland |
| 89 | Katherine Tunney | 52 | Head | Teacher | Maryland |
| 90 | Delia Tunney | 51 | Sister-H | — | Maryland |
| 91 | John P. Tunney | 45 | Brother | Machinist | Maryland |
| 92 | Sarah Irwin | 43 | Sister | — | Maryland |
| 93 | Edward Cashin | 74 | Uncle | — | Irish Free State |
| 94 | John Kachenwiske | 34 | Head | Carpenter | Maryland |
| 95 | Ruth Kachenwiske | 31 | Wife-H | — | Maryland |
| 96 | Helen Kachenwiske | 11 | Daughter | — | Maryland |
| 97 | Viola Kachenwiske | 8 | Daughter | — | Maryland |
| 98 | Donald Kachenwiske | 4 | Son | — | Maryland |
Pedigree Summary
Ada + 1 sibling
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)