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John Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · York-County, Maine
Our Model Tree links this John Dolan across the 1930 and 1940 US Censuses in York-County, Maine (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, Maine |
| Surname | Dolan |
| Given Name | John B |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Saugus |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Industry | 0 |
| Highest Grade | S 5 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Eliot |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Dolan | Son | — | 6 | ~1934 |
| George Dolan | Head | — | 47 | ~1893 |
| Paul Dolan | Son | — | 5 | ~1935 |
| Warren Dolan | Son | — | 11 | ~1929 |
| Opal Williams | Other | — | 35 | ~1905 |
| Gladys Dolan | Daughter | — | 8 | ~1932 |
| John Dolan | Son | — | 13 | ~1927 |
Census Appearances
1930
Essex, Massachusetts
Son, age 3
Essex, Massachusetts · implied b. ~1927 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
York-County, Maine
Son, age 13
York-County, Maine · implied b. ~1927 — 7 household members
| Surname | Dolan |
| Given Name | John B |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Saugus |
| 1935 Residence (County) | Essex |
| Industry | 0 |
| Highest Grade | S 5 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dolan
Son · 1940 · age 13 · b. ~1927 · Maine
★ You are viewing this record
Sibling
Kenneth Dolan
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Dolan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Dolan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Dolan
Sibling · 1940 · age 11
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 — York-County, Maine
Open full size
1940 US Federal Census — York-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01495-00794)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gwendolyn M Payne | 7 | daughter | — | Maine |
| 2 | Roland A Payne | 6 | son | — | Maine |
| 3 | Verna Joyce Payne | 5 | daughter | — | Maine |
| 4 | Rayfield A Payne | 4 | son | — | Maine |
| 5 | Denis A Payne | 2 | son | — | Maine |
| 6 | Robert E Payne | 1 | son | — | Maine |
| 7 | Carol E Payne | 0 | son | — | Maine |
| 8 | Douglas B Hallam | 45 | Head | Helper Maintenance | New Hampshire |
| 9 | Marion B Hallam | 46 | Wife | — | New Hampshire |
| 10 | Edward Hallam | 15 | son | Farm Help | New Hampshire |
| 11 | Doris Hallam | 14 | daughter | — | New Hampshire |
| 12 | Frances E Hallam | 6 | son | — | Maine |
| 13 | Walter Ketzler | 47 | Head | Painter | Germany |
| 14 | Anna Ketzler | 39 | Wife | — | Oklahoma |
| 15 | Walter Ketzler | 14 | son | — | New York |
| 16 | Donald H Ketzler | 8 | son | — | New York |
| 17 | Cecil B Lawrence | 41 | Head | Shipfitter & Welder | New Hampshire |
| 18 | Goldie M Lawrence | 41 | Wife | — | Illinois |
| 19 | June E Lawrence | 12 | daughter | — | New Hampshire |
| 20 | Nellie Payne | 68 | Head | Housekeeper | Maine |
| 21 | Emma C Payne | 55 | sister | Farmer | Maine |
| 22 | Albert Styre | 53 | Head | Chaplain | Massachusetts |
| 23 | Anthony S Robbins | 24 | Head | Truck Driver | Maine |
| 24 | Geneva A Rollins | 22 | Wife | — | Maine |
| 25 | Jane Rollins | 5 | daughter | — | Maine |
| 26 | Ann Rollins | 4 | daughter | — | Maine |
| 27 | George B Dolan | 47 | Head | Portable Engineer | New York |
| 28 | John B Dolan THIS PERSON | 13 | son | — | Massachusetts |
| 29 | Warren Dolan | 11 | son | — | Massachusetts |
| 30 | Gladys R Dolan | 8 | daughter | — | Massachusetts |
| 31 | Kenneth Dolan | 6 | son | — | Massachusetts |
| 32 | Paul Dolan | 5 | son | — | Massachusetts |
| 33 | Opal Williams | 35 | Housekeeper | Housekeeper | Maine |
| 34 | Leon Lynch | 63 | Head | Farmer | England |
| 35 | Ethel Lynch | 63 | Wife | — | England |
| 36 | Ethel K Simmonds | 38 | daughter | Domestic Worker | England |
| 37 | William S Bartlett | 61 | Head | Farmer | Maine |
| 38 | Lydia Bartlett | 55 | Wife | — | Canada French |
| 39 | John T Bartlett | 27 | son | Farm Help | Maine |
| 40 | Arthur W Bartlett | 25 | son | Farm Help | 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)