MC
Mary Carroll — 1930 US Census Record
Model Tree available1930 United States Federal Census · Kent, Maryland
Our Model Tree links this Mary Carroll across the 1920, 1930 and 1940 US Censuses in Kent, Maryland (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1875), then head of a 3-person household.
Age 55
b. ~1875
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Kent, Maryland |
| Surname | Carroll |
| Given Name | Mary W |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Teacher |
| Township / Ward | Chestertown Town |
| Est. Birth Year | ~1875 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Carroll | Daughter | — | 55 | ~1875 |
| William Carroll | Head | — | 80 | ~1850 |
| Parker Carroll | Other | — | 74 | ~1856 |
Census Appearances
1920
Kent, Maryland
Daughter, age 43
Kent, Maryland · implied b. ~1877 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Mamie W. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Kent, Maryland
Daughter, age 55
Kent, Maryland · implied b. ~1875 — 3 household members
| Surname | Carroll |
| Given Name | Mary W |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Kent-County, Maryland
Head, age 66
Kent-County, Maryland · implied b. ~1874
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Carroll |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 4, Fairlee |
| 1935 Residence (County) | Kent |
| Highest Grade | No |
| 1935 Residence | Same place |
| 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 Mary Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Carroll (~0.92 confidence) and father William Carroll (~0.92 confidence) and mother Henrietta Carroll (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Carroll
b. ~1850
Source father
● Household
· direct · ~0.92
Father
William Carroll
b. ~1850
Source father
● Household
· direct · ~0.92
Mother
Henrietta Carroll
b. ~1854
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Carroll
Daughter · 1930 · age 55 · b. ~1875 · 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 — Kent, Maryland
Open full size
1930 US Federal Census — Kent, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus876unit:0521)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Tempa Floyd | 32 | Head-H | Laundress | Maryland |
| 52 | Lydia Underwood | 60 | Head-H | Laborer | Maryland |
| 53 | Charles W Whaland | 80 | Head | Physician | Maryland |
| 54 | Jennie B Whaland | 65 | Wife-H | — | Maryland |
| 55 | Thomas G Wroth | 72 | Head | — | Maryland |
| 56 | Harriett D Wroth | 73 | Wife-H | — | Maryland |
| 57 | Anna G Wroth | 43 | Daughter | — | Maryland |
| 58 | J. Brown Metcalf | 42 | Head | Buyer | Virginia |
| 59 | Helen G Metcalf | 37 | Wife-H | — | Dist Columbia |
| 60 | Fredrica Metcalf | 9 | Daughter | — | Dist Columbia |
| 61 | Margaret A Metcalf | 2 | Daughter | — | Dist Columbia |
| 62 | Frank B Hiner | 48 | Head | Physician | Maryland |
| 63 | Merriam Hiner | 46 | Wife-H | — | Maryland |
| 64 | Frank B Jr Hiner | 19 | Son | — | Maryland |
| 65 | Charles A Jessop | 55 | Brother-in-law | — | Maryland |
| 66 | Philip G Wilmer | 34 | Head | Manager | Maryland |
| 67 | Rachel Wilmer | 35 | Wife-H | — | Maryland |
| 68 | Ann W. Wilmer | 1 | Daughter | — | Maryland |
| 69 | J. Thomas Kibler | 42 | Head | Buyer | Maryland |
| 70 | Bessie P Kibler | 41 | Wife-H | — | Maryland |
| 71 | J. Thomas Jr Kibler | 7 | Son | — | Maryland |
| 72 | Mary Jane Kibler | 1 | Daughter | — | Maryland |
| 73 | G. Scott Beck | 48 | Head | Lawyer | Maryland |
| 74 | Mabel Beck | 43 | Wife-H | — | Maryland |
| 75 | G. Scott Jr Beck | 15 | Son | — | Maryland |
| 76 | Elizabeth M Beck | 8 | Daughter | — | Maryland |
| 77 | S. Clarke Fontaine | 49 | Head | Supervisor | Maryland |
| 78 | Mary S Fontaine | 37 | Wife-H | — | Maryland |
| 79 | Edgar G Fontaine | 15 | Son | — | Maryland |
| 80 | A. Elizabeth Fontaine | 13 | Daughter | — | Maryland |
| 81 | William S Carroll | 80 | Head | — | Maryland |
| 82 | Mary W Carroll THIS PERSON | 55 | Daughter | Teacher | Maryland |
| 83 | Parker Carroll | 74 | Roomer | — | Maryland |
| 84 | T. Medford Brooke | 44 | Head | Proprietor | Maryland |
| 85 | Rosa V Brooke | 42 | Wife-H | — | Maryland |
| 86 | T. Medford Jr Brooke | 12 | Son | — | Maryland |
| 87 | Regina Brooke | 3 | Daughter | — | Maryland |
| 88 | Calipso Deray | 45 | Servant | Cook | Maryland |
| 89 | Joseph V Wheatly | 58 | Head | Agent | Maryland |
| 90 | Frances G Wheatly | 67 | Mother | — | Maryland |
| 91 | Charlotte L Wheatly | 65 | Aunt | — | Maryland |
| 92 | Richard H Collins | 70 | Head | Editor | Maryland |
| 93 | Elizabeth H Collins | 66 | Wife-H | — | North Carolina |
| 94 | Stephen R Collins | 36 | Son | Lawyer | Maryland |
| 95 | Richard H Jr Collins | 32 | Son | Asst Editor | Maryland |
| 96 | William S Collins | 25 | Son | Laborer | Maryland |
| 97 | Susan S Roberts | 67 | Sister-in-law | Book Keeper | North Carolina |
| 98 | John D Urie | 58 | Head | Lawyer | Maryland |
| 99 | Lillian Urie | 54 | Wife-H | — | Maryland |
| 100 | Henry S Deford | 83 | Roomer | — | Maryland |
Pedigree Summary
Mary
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)