MC
Mary Cain — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Cain across the 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 6-person household.
Age 15
b. ~1915
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Cain |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1915 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Cain | Daughter | — | 24 | ~1906 |
| John Cain | Head | — | 62 | ~1868 |
| Virginia Cain | Daughter | — | 20 | ~1910 |
| Clara Cain | Spouse | — | 53 | ~1877 |
| Mary Cain | Daughter | — | 15 | ~1915 |
| John Cain | Son | — | 18 | ~1912 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 5
Baltimore, Maryland · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cain |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 15
Baltimore, Maryland · implied b. ~1915 — 6 household members
| Surname | Cain |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| 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 Mary Cain across 2 US Census years (1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cain
Daughter · 1930 · age 15 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
John Cain
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Cain
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Cain
Sibling · 1930 · age 20
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
50 people indexed on this census page (ia:1930:15thcensus869unit:0259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | A Fulton Gillespie | 52 | Head | Dramatic Critic | Maryland |
| 2 | Rosa Gillespie | 48 | Wife | Occupational Therapist | Maryland |
| 3 | Margaret E Gillespie | 27 | Daughter | Teacher | Maryland |
| 4 | Abby M Gorsuch | 52 | Sister-in-law | — | Maryland |
| 5 | Lina K O'Brien | 47 | Head | — | Maryland |
| 6 | Vera Enright | 22 | Daughter | Merchant | Maryland |
| 7 | James F Enright | 25 | Son-in-law | Salesman | District of Columbia |
| 8 | John Ditzel | 78 | Father | — | Germany |
| 9 | Mary Ditzel | 69 | Mother | — | Maryland |
| 10 | Gunther Adams | 34 | Head | Contractor | Maryland |
| 11 | Aileen T Adams | 29 | Wife | — | Maryland |
| 12 | Luke S Bowman | 37 | Head | Salesman | Maryland |
| 13 | Anna Bowman | 35 | Wife | — | Maryland |
| 14 | Luke S Jr Bowman | 14 | Son | — | Maryland |
| 15 | William W Duncan | 33 | Head | Driller | Maryland |
| 16 | Amelia M Duncan | 30 | Wife | — | Maryland |
| 17 | William H Duncan | 6 | Son | — | Maryland |
| 18 | Eleanor J Duncan | 2 | Daughter | — | Maryland |
| 19 | J Spencer Smith | 31 | Head | Pharmacist | Maryland |
| 20 | Virginia V Smith | 30 | Wife | — | Virginia |
| 21 | Catherine A Smith | 6 | Daughter | — | Maryland |
| 22 | Lois S Smith | 1 | Daughter | — | Maryland |
| 23 | Emily C Peterson | 68 | Head | Doctor Of Medicine | Maryland |
| 24 | Sarah Sanderson | 74 | Servant | Servant | Maryland |
| 25 | Charles C Brown | 54 | Roomer | Adjuster | Maryland |
| 26 | William Miles | 23 | Boarder | Clerk | Maryland |
| 27 | Nona Peterson | 30 | Boarder | Trained Nurse | Maryland |
| 28 | John A Moran | 53 | Head | Undertaker | Delaware |
| 29 | Katharine Moran | 42 | Wife | — | Maryland |
| 30 | Katherine A Moran | 5 | Daughter | — | Maryland |
| 31 | Mary M Moran | 4 | Daughter | — | Maryland |
| 32 | Annie C Moran | 74 | Mother | — | Delaware |
| 33 | M Abbie Tipton | 64 | Head | Boarding House | Maryland |
| 34 | Sally B Ensor | 56 | Sister | Nurse | Maryland |
| 35 | Elijah S Ensor | 74 | Brother-in-law | Laborer | Maryland |
| 36 | John B Cain | 62 | Head | Bookkeeper | Maryland |
| 37 | Clara Cain | 53 | Wife | — | Maryland |
| 38 | Frances M Cain | 24 | Daughter | Trained Nurse | Maryland |
| 39 | Virginia Cain | 20 | Daughter | — | Maryland |
| 40 | John B Jr Cain | 18 | Son | — | Maryland |
| 41 | Mary C Cain THIS PERSON | 15 | Daughter | — | Maryland |
| 42 | Frederick W Hermann | 68 | Head | Retired | Germany |
| 43 | Anna M G Hermann | 66 | Wife | — | Germany |
| 44 | Anna M Hermann | 40 | Daughter | Agent | Maryland |
| 45 | Henry H Brune | 32 | Head | Clerk | Maryland |
| 46 | Virginia R Brune | 29 | Wife | — | Maryland |
| 47 | Henry B Brune | 2 | Son | — | Maryland |
| 48 | Louise D Brune | 1 | Daughter | — | Maryland |
| 49 | Robert D Kyle | 50 | Head | Agent | Pennsylvania |
| 50 | Melanie Kyle | 48 | Wife | — | Michigan |
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)