MC
Mary Conroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this Mary Conroy across the 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Conroy |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Portland City |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Paul Conroy | Head | — | 45 | ~1895 |
| Joan Conroy | Daughter | — | 9 | ~1931 |
| Helen Conroy | Daughter | — | 14 | ~1926 |
| Robert Conroy | Son | — | 18 | ~1922 |
| Leora Conroy | Spouse | — | 41 | ~1899 |
| Mary Conroy | Daughter | — | 12 | ~1928 |
| Paul Conroy | Son | — | 20 | ~1920 |
Census Appearances
1930
Cumberland, Maine
Daughter, age 1
Cumberland, Maine · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Maine |
| Occupation | none |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Daughter, age 12
Cumberland-County, Maine · implied b. ~1928 — 7 household members
| Surname | Conroy |
| Given Name | Mary M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Cumberland |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Conroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conroy
Daughter · 1940 · age 12 · b. ~1928 · Maine
★ You are viewing this record
Sibling
Robert Conroy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Conroy
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Conroy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Conroy
Sibling · 1940 · 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
1940 US Federal Census — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01476-00745)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joyce D. Peters | 2 | daughter | — | Maine |
| 2 | Robert J. Peters | 0 | son | — | Maine |
| 3 | Mary A. Spear | 73 | Head | Laundress | Pennsylvania |
| 4 | Harold A. Smith | 24 | grandson | Truck Driver | Maine |
| 5 | Lillian B. Smith | 40 | daughter | Laundress | Maine |
| 6 | Ervin Gillis | 38 | lodger | Gardener | Maine |
| 7 | Benjamin J. Dodge | 64 | Head | Letter Carrier | Maine |
| 8 | Blanche S. Dodge | 56 | wife | — | Maine |
| 9 | Reginald F. Dodge | 23 | son | — | Maine |
| 10 | Howard P. Stebbins | 31 | son-in-law | Salesman | Maine |
| 11 | Gladys E. Stebbins | 30 | daughter | — | Maine |
| 12 | Carole A. Stebbins | 2 | daughter | — | Maine |
| 13 | John E. Megquier | 38 | Head | Fireman | Maine |
| 14 | Isabel O. Megquier | 39 | wife | — | Scotland |
| 15 | John H. Megquier | 7 | son | — | Maine |
| 16 | Richard A. Megquier | 6 | son | — | Maine |
| 17 | George J. Barker | 52 | Head | Salesman | Maine |
| 18 | Eva M. Barker | 49 | wife | — | Canada-English |
| 19 | George Jr. Barker | 22 | son | Stock Clerk | Massachusetts |
| 20 | Earle F. Barker | 20 | son | Fur Cleaner | Massachusetts |
| 21 | Jean A. Barker | 17 | daughter | Nurse Maid | Massachusetts |
| 22 | Olive A. Barker | 13 | daughter | — | Maine |
| 23 | Carl R. Barker | 11 | son | — | Maine |
| 24 | — | None | — | — | — |
| 25 | John J. Collins | 29 | Head | Automobile Mechanic | Canada-English |
| 26 | Dorothy M. Collins | 31 | wife | — | Maine |
| 27 | Lee E. Collins | 12 | son | — | Maine |
| 28 | Clifford J. Collins | 7 | son | — | Maine |
| 29 | Ann E. Collins | 3 | daughter | — | Maine |
| 30 | Donald J. Collins | 0 | son | — | Maine |
| 31 | Paul P. Conroy | 45 | Head | Garage Foreman | New Hampshire |
| 32 | Leora N. Conroy | 41 | wife | — | Maine |
| 33 | Paul P. Jr. Conroy | 20 | son | Ground Man | Maine |
| 34 | Robert H. Conroy | 18 | son | — | Maine |
| 35 | Helen B. Conroy | 14 | daughter | — | Maine |
| 36 | Mary M. Conroy THIS PERSON | 12 | daughter | — | Maine |
| 37 | Joan E. Conroy | 9 | daughter | — | Maine |
| 38 | Thomas F. Honan | 68 | Head | — | Maine |
| 39 | Annie J. Honan | 57 | wife | — | Maine |
| 40 | Raymond S. Honan | 24 | son | Lumber Dealer | Maine |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)