JC
John Conroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this John Conroy across the 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Portland City |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anne Conroy | Daughter | — | 16 | ~1924 |
| Joseph Conroy | Son | — | 7 | ~1933 |
| Barbara Conroy | Daughter | — | 4 | ~1936 |
| Paul Conroy | Son | — | 2 | ~1938 |
| John Conroy | Son | — | 13 | ~1927 |
| Theresa Conroy | Daughter | — | 10 | ~1930 |
| Mary Conroy | Daughter | — | 18 | ~1922 |
| Mary Conroy | Head | — | 40 | ~1900 |
Census Appearances
1930
Cumberland, Maine
Son, age 3
Cumberland, Maine · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Northern Ireland |
| Occupation | none |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Son, age 13
Cumberland-County, Maine · implied b. ~1927 — 8 household members
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Highest Grade | 7 |
| 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 John Conroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conroy
Son · 1940 · age 13 · b. ~1927 · Maine
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Sibling
Barbara Conroy
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Conroy
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Conroy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Conroy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Conroy
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Conroy
Sibling · 1940 · age 7
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-t0627-01476-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Gaffney | 27 | Wife | Bookkeeper | Maine |
| 42 | Mary E. Conroy | 40 | Head | — | Newfoundland |
| 43 | Mary Conroy | 18 | Daughter | Secretary | Maine |
| 44 | Anne Conroy | 16 | Daughter | — | Maine |
| 45 | John Conroy THIS PERSON | 13 | Son | — | Maine |
| 46 | Theresa Conroy | 10 | Daughter | — | Maine |
| 47 | Joseph Conroy | 7 | Son | — | Maine |
| 48 | Barbara Conroy | 4 | Daughter | — | Maine |
| 49 | Paul Conroy | 2 | Son | — | Maine |
| 50 | Leon F. Hendricks | 29 | Head | Telegrapher | Maine |
| 51 | Evelyn L. Hendricks | 28 | Wife | Telephone Operator | Massachusetts |
| 52 | Patricia Hendricks | 7 | Daughter | — | Maine |
| 53 | Richard Hendricks | 4 | Son | — | Maine |
| 54 | James G. Wiley | 22 | Head | Automobile Mechanic | Maine |
| 55 | Catherine Wiley | 22 | Wife | — | Maine |
| 56 | James | 3 | Son | — | Maine |
| 57 | Donald | 2 | Son | — | Maine |
| 58 | Richard | 0 | Son | — | Maine |
| 59 | Joseph L. Tryon | 27 | Head | Cabinet Maker | Maine |
| 60 | Helen T. Tryon | 26 | Wife | — | Maine |
| 61 | George Lynch | 62 | Father-in-law | Construction Laborer | Canada-English |
| 62 | Peter J. Scanlon | 65 | Head | — | Eire |
| 63 | Agnes Scanlon | 61 | Wife | — | Eire |
| 64 | Mary E. Scanlon | 25 | Daughter | Switchboard Operator | Maine |
| 65 | John B. Scanlon | 30 | Son | Clerk | Maine |
| 66 | James Scanlon | 26 | Son | Retail Chain Store Clerk | Maine |
| 67 | Catherine Scanlon | 22 | Daughter | Cashier | Maine |
| 68 | Anne Scanlon | 18 | Daughter | — | Maine |
| 69 | Patrick Scanlon | 36 | Nephew | — | Eire |
| 70 | Mary Langan | 62 | Head | Longshoreman | Maine |
| 71 | Francis R. Halpin | 45 | Brother | Drug Store Clerk | Maine |
| 72 | Anne Dooley | 61 | Head | Pharmacist | Maine |
| 73 | Mary Harrigan | 64 | Head | File Clerk | Maine |
| 74 | Agnes Napoli | 52 | Head | Registered Packer | Lithuania |
| 75 | Andrew Napoli | 35 | Son | Hatter | Lithuania |
| 76 | William Napoli | 33 | Son | Hatter | Lithuania |
| 77 | Mary Napoli | 30 | Daughter | Hatter | Maine |
| 78 | Nellie Napoli | 27 | Daughter | — | Maine |
| 79 | Joseph Napoli | 10 | Son | — | Maine |
| 80 | Anthony Arbacewicz | 40 | Head | Longshoreman | Lithuania |
Related Census Records
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)