MC
Mary Carroll — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this Mary Carroll across the 1910, 1920 and 1930 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed), with identified parents George & Laura — first a daughter (b.~1907), then head of a 5-person household.
Age 23
b. ~1907
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cuyahoga, Ohio |
| Surname | Carroll |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Social Worker |
| Industry | Welfare Ass. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Social Worker |
| Township / Ward | Cleveland Heights City |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Carroll | Daughter | — | 23 | ~1907 |
| George Carroll | Head | — | 47 | ~1883 |
| Laura Carroll | Other | — | 47 | ~1883 |
| George Carroll | Son | — | 21 | ~1909 |
| William Carroll | Son | — | 10 | ~1920 |
Census Appearances
1910
Cuyahoga, Ohio
Daughter, age 4
Cuyahoga, Ohio · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Cuyahoga, Ohio
Daughter, age 15
Cuyahoga, Ohio · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Daughter, age 23
Cuyahoga, Ohio · implied b. ~1907 — 5 household members
| Surname | Carroll |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Social Worker |
| Industry | Welfare Ass. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Mary Carroll across 3 US Census years (1910, 1920 and 1930) in Cuyahoga, Ohio, using XGBoost record linkage. Identified parents: father George Carroll (~0.92 confidence) and mother Laura Carroll (~0.92 confidence) and father George Carroll (~0.92 confidence) and mother Louisa Carroll (~0.92 confidence) and father George Carroll (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Carroll
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Laura Carroll
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
George Carroll
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Louisa Carroll
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
George Carroll
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Carroll
Daughter · 1930 · age 23 · b. ~1907 · Ohio
★ You are viewing this record
Sibling
William Carroll
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Carroll
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 — Cuyahoga, Ohio
Open full size
1930 US Federal Census — Cuyahoga, Ohio
Page Contents
47 people indexed on this census page (ia:1930:ohiocensus00reel1783:0822)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 4 | Clarence H Sutton | 57 | Head | Import Merch | New York |
| 5 | Florence T Sutton | 52 | Wife-H | — | New York |
| 6 | Dorothy Z Sutton | 25 | Daughter | Research | Ohio |
| 7 | Lucia M Tupper | 78 | Mother-in-law | — | New York |
| 8 | Frank E Martin | 54 | Head | Repair | Ohio |
| 9 | Minnie C Martin | 57 | Wife-H | — | Ohio |
| 10 | Clarence N Cahill | 35 | Head | Broker | Missouri |
| 11 | Norma B Cahill | 34 | Wife-H | — | Pennsylvania |
| 12 | Allan E Cahill | 10 | Son | — | Missouri |
| 13 | Margaret J Cahill | 8 | Daughter | — | Pennsylvania |
| 14 | Nancy Cahill | 5 | Daughter | — | Pennsylvania |
| 15 | George E Carroll | 47 | Head | Supt. | Ohio |
| 16 | Laura E Carroll | 47 | Wife-H | — | Ohio |
| 17 | Mary E Carroll THIS PERSON | 23 | Daughter | Social Worker | Ohio |
| 18 | George C Carroll | 21 | Son | Billing Clerk | Ohio |
| 19 | William F Carroll | 10 | Son | — | Ohio |
| 20 | George R Nyman | 51 | Head | Banker | Ohio |
| 21 | Mary G Nyman | 45 | Wife-H | — | Indiana |
| 22 | David Lake | 69 | Head | Mechanical Eng | New Jersey |
| 23 | Nettie I Lake | 70 | Wife-H | — | Pennsylvania |
| 24 | Agnes Lake | 43 | Daughter | Teacher | New Jersey |
| 25 | Percy W Fenner | 49 | Head | Asst. Sales Mgr | England |
| 26 | Harriet E Fenner | 42 | Wife-H | — | Canada-English |
| 27 | Lillian Fenner | 21 | Daughter | Librarian | Ohio |
| 28 | Matthew Fenner | 15 | Son | — | Ohio |
| 29 | Dorothy Fenner | 13 | Daughter | — | Ohio |
| 30 | Ethel M Fenner | 10 | Daughter | — | Ohio |
| 31 | Graham Fenner | 6 | Son | — | Ohio |
| 32 | George L Bennett | 56 | Head | Engineer | New York |
| 33 | Lillie H Bennett | 51 | Wife-H | Artist | Massachusetts |
| 34 | Mills T Bennett | 21 | Son | — | Rhode Island |
| 35 | Hugh D Bennett | 12 | Son | — | New York |
| 36 | Charles W Allan | 50 | Head | Doctor | Ohio |
| 37 | Cora N Allan | 57 | Wife-H | — | Ohio |
| 38 | Ralph A Sanker | 40 | Head | President | Ohio |
| 39 | Elizabeth Sanker | 41 | Wife-H | — | Ohio |
| 40 | Jack Sanker | 15 | Son | Carrier | Ohio |
| 41 | Robert Sanker | 9 | Son | — | Ohio |
| 42 | Frank H Adams | 43 | Head | Mfg. | England |
| 43 | Zora S Adams | 43 | Wife-H | — | Ohio |
| 44 | William S Adams | 15 | Son | — | Ohio |
| 45 | Clifford E Damon | 48 | Head | Manager | Ohio |
| 46 | Janette C Damon | 47 | Wife-H | — | Ohio |
| 47 | Charles Damon | 22 | Son | Teacher | Ohio |
| 48 | Jeanette R Damon | 20 | Daughter | — | Ohio |
| 49 | Mary Damon | 16 | Daughter | — | Ohio |
| 50 | John H Little | 33 | Head | Salesman | New York |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 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)