MC
Mary Curran — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cumberland, Maine
Our Model Tree links this Mary Curran across the 1920 and 1930 US Censuses in Cumberland, Maine (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 10-person household.
Age 20
b. ~1910
Female
Daughter
Born: Maine
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cumberland, Maine |
| Surname | Curran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Inspector |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Inspector |
| Township / Ward | Portland City |
| Est. Birth Year | ~1910 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Curran | Daughter | — | 13 | ~1917 |
| Mary Curran | Daughter | — | 20 | ~1910 |
| John Curran | Son | — | 22 | ~1908 |
| Helen Curran | Daughter | — | 11 | ~1919 |
| Thomas Curran | Son | — | 24 | ~1906 |
| Thomas Curran | Head | — | 50 | ~1880 |
| Theresa Curran | Daughter | — | 9 | ~1921 |
| Catherine Curran | Daughter | — | 15 | ~1915 |
| Mary Curran | Spouse | — | 48 | ~1882 |
| Margaret Curran | Daughter | — | 17 | ~1913 |
Census Appearances
1920
Cumberland, Maine
Daughter, age 9
Cumberland, Maine · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Daughter, age 20
Cumberland, Maine · implied b. ~1910 — 10 household members
| Surname | Curran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Inspector |
| Industry | Telephone Co |
| 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 Curran across 2 US Census years (1920 and 1930) in Cumberland, Maine, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Curran
Daughter · 1930 · age 20 · b. ~1910 · Maine
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Sibling
Thomas Curran
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Curran
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Curran
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Curran
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Curran
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Curran
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Curran
Sibling · 1930 · age 9
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
49 people indexed on this census page (ia:1930:15thcensus830unit:1069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 52 | Henry W Gallant | 34 | Head | Captain | Maine |
| 53 | Molly M Gallant | 34 | Wife | — | Maine |
| 54 | Jacqueline Gallant | 13 | Daughter | — | Maine |
| 55 | Yvonne Gallant | 11 | Daughter | — | Maine |
| 56 | Thomas Keaney | 55 | Head | Roller | Ireland |
| 57 | Nellie H Keaney | 55 | Wife | — | Ireland |
| 58 | Thomas Keaney | 15 | Son | — | Maine |
| 59 | Katherine Keaney | 13 | Daughter | — | Maine |
| 60 | Catherine Keaney | 8 | Daughter | — | Maine |
| 61 | Margaret Keaney | 5 | Daughter | — | Maine |
| 62 | Alice Keaney | 3 | Daughter | — | Maine |
| 63 | Thomas Keaney | 28 | Boarder | Laborer | Ireland |
| 64 | Patrick Curran | 37 | Head | Longshoreman | Ireland |
| 65 | Mary T Curran | 36 | Wife | — | Ireland |
| 66 | Mary Curran | 11 | Daughter | — | Maine |
| 67 | John Curran | 9 | Son | — | Maine |
| 68 | Catherine Curran | 7 | Daughter | — | Maine |
| 69 | Thomas Curran | 50 | Head | Longshoreman | Ireland |
| 70 | Mary Curran | 48 | Wife | — | Ireland |
| 71 | Thomas Curran | 24 | Son | Longshoreman | Maine |
| 72 | John Curran | 22 | Son | Longshoreman | Maine |
| 73 | Mary Curran THIS PERSON | 20 | Daughter | Inspector | Maine |
| 74 | Margaret Curran | 17 | Daughter | — | Maine |
| 75 | Catherine Curran | 15 | Daughter | — | Maine |
| 76 | Alice Curran | 13 | Daughter | — | Maine |
| 77 | Helen Curran | 11 | Daughter | — | Maine |
| 78 | Theresa Curran | 9 | Daughter | — | Maine |
| 79 | Thomas Lynch | 26 | Head | — | Canada-English |
| 80 | Alice Lynch | 26 | Wife | Housekeeper | Maine |
| 81 | Thomas Lynch | 11 | Son | — | Maine |
| 82 | Edward Lynch | 10 | Son | — | Maine |
| 83 | Louis Kruger | 40 | Head | Manager | Russia |
| 84 | Rose Kruger | 32 | Wife | — | Russia |
| 85 | Lillian Kruger | 15 | Daughter | — | New York |
| 86 | Ida Kruger | 13 | Daughter | — | New York |
| 87 | Morris Kruger | 13 | Son | — | New York |
| 88 | Morris Levine | 50 | Head | Merchant | Maine |
| 89 | Rose Levine | 40 | Wife | — | New York |
| 90 | Ethel Levine | 16 | Daughter | — | Maine |
| 91 | Doris Levine | 15 | Daughter | Saleswoman | Maine |
| 92 | Ruth Levine | 13 | Daughter | — | Maine |
| 93 | William Levine | 12 | Son | — | Maine |
| 94 | Leo La Plante | 23 | Head | Mechanic | Maine |
| 95 | Beatrice La Plante | 21 | Wife | — | Maine |
| 96 | Maurice Guvette | 32 | Head | Cook | New Hampshire |
| 97 | Bertha Guvette | 31 | Wife | Clerk | Maine |
| 98 | William Guvette | 13 | Son | — | Maine |
| 99 | Evelyn Guvette | 12 | Daughter | — | Maine |
| 100 | Emile Warren | 18 | Boarder | Clerk | Maine |
Related Census Records
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)