MP
Mary Prince — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cumberland, Maine
Our Model Tree links this Mary Prince across the 1920 and 1930 US Censuses in Cumberland, Maine (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Female
Daughter
Born: Maine
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cumberland, Maine |
| Surname | Prince |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Teacher |
| Township / Ward | Portland City |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| Charles Prince | Head | — | 48 | ~1882 |
| Charles Prince | Son | — | 18 | ~1912 |
| Mary Prince | Daughter | — | 21 | ~1909 |
| Helen Prince | Daughter | — | 19 | ~1911 |
| Ella Prince | Spouse | — | 51 | ~1879 |
Census Appearances
1920
Cumberland, Maine
Daughter, age 12
Cumberland, Maine · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Prince |
| Given Name | Mae L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Daughter, age 21
Cumberland, Maine · implied b. ~1909 — 5 household members
| Surname | Prince |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Prince across 2 US Census years (1920 and 1930) in Cumberland, Maine, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Prince
Daughter · 1930 · age 21 · b. ~1909 · Maine
★ You are viewing this record
Sibling
Helen Prince
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Prince
Sibling · 1930 · age 18
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 — Cumberland, Maine
Open full size
1930 US Federal Census — Cumberland, Maine
Page Contents
50 people indexed on this census page (ia:1930:15thcensus831unit:0288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ellis M. Fowler | 43 | Head | — | Maine |
| 52 | Maud Ella Fowler | 31 | Wife | — | Maine |
| 53 | Ernest G. Fowler | 55 | Head | Manager | Maine |
| 54 | Maud G. Fowler | 54 | Wife | — | Canada-English |
| 55 | Donald S. Fowler | 31 | Son | General Man. | Maine |
| 56 | Lillian C. Fowler | 25 | Daughter | Teacher | Maine |
| 57 | Blanche P. Haskell | 57 | Head | Teacher | Maine |
| 58 | Dorothy M. Haskell | 21 | Daughter | — | Maine |
| 59 | George C. Haskell | 16 | Son | — | Maine |
| 60 | Blanche M. Lane | 43 | Head | Clerk & Writer | Maine |
| 61 | Maud Lane | 70 | Mother | — | Canada-English |
| 62 | Maud Lane | 40 | Sister | — | Maine |
| 63 | Charles S. Crossman | 25 | Head | Auto Repair | Maine |
| 64 | Bernice M. Crossman | 25 | Wife | Salesman | Maine |
| 65 | Genevieve S. Crossman | 53 | Mother | Nurse | Maine |
| 66 | Alice G. Crossman | 19 | Sister-in-law | Packer | Maine |
| 67 | Earl W. Watson | 31 | Head | Locomotive | New Hampshire |
| 68 | Madeline Watson | 28 | Wife | — | Massachusetts |
| 69 | Earl W. Jr. Watson | 7 | Son | — | Maine |
| 70 | Shirley Frances Watson | 1 | Daughter | — | Maine |
| 71 | Mary M. Ulm | 60 | Head | Stenographer | Maine |
| 72 | Marion L. Ulm | 26 | Daughter | — | Maine |
| 73 | Madeline G. Ulm | 19 | Daughter | Office Secretary | Maine |
| 74 | Eli Merriman | 66 | Head | Salesman | New Hampshire |
| 75 | Thomas C. Merriman | 60 | Cousin | Salesman | Maine |
| 76 | Martha S. Merriman | 60 | Wife | — | Maine |
| 77 | Melissa Lindros | 38 | Head | — | England |
| 78 | Arthur L. Leroy | 37 | Head | Radio Engineer | Maine |
| 79 | Martha W. Leroy | 29 | Wife | — | Maine |
| 80 | Geneva G. Leroy | 6 | Daughter | — | Maine |
| 81 | Charles W. Leroy | 4 | Son | — | Maine |
| 82 | Charles E. Prince | 48 | Head | Letter Carrier | Maine |
| 83 | Ella P. Prince | 51 | Wife | — | Maine |
| 84 | Mary G. Prince THIS PERSON | 21 | Daughter | Teacher | Maine |
| 85 | Helen P. Prince | 19 | Daughter | Stenographer | Maine |
| 86 | Charles E. Jr. Prince | 18 | Son | — | Maine |
| 87 | Clayton E. Briggs | 35 | Head | Foreman | Maine |
| 88 | Alice E. Briggs | 35 | Wife | — | Maine |
| 89 | Dorothy M. Briggs | 10 | Daughter | — | Maine |
| 90 | John C. Briggs | 8 | Son | — | Maine |
| 91 | Annie Dorothy C. Briggs | 23 | Sister-in-law | Bookkeeper | Maine |
| 92 | Armand Philbrook | 55 | Head | Manager | New Hampshire |
| 93 | Rose E. Philbrook | 54 | Wife | — | Canada-English |
| 94 | Sara E. Philbrook | 30 | Daughter | Assistant Librarian | Maine |
| 95 | Irma V. Philbrook | 29 | Daughter | Office Clerk | Maine |
| 96 | Frank S. Philbrook | 21 | Son | Salesman | Maine |
| 97 | Steven J. Mccarthy | 55 | Head | Clerk | Maine |
| 98 | Johanna T. Mccarthy | 54 | Wife | — | Maine |
| 99 | Mary Mccarthy | 20 | Daughter | — | Maine |
| 100 | Richard Mccarthy | 17 | Son | — | Maine |
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)