JD
James Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this James Dolan across the 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Dolan |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Cedar Rapids |
| 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 James | Age | Birth yr |
|---|---|---|---|---|
| Anita Dolan | Daughter | — | 24 | ~1916 |
| Ella Dolan | Spouse | — | 51 | ~1889 |
| John Dolan | Head | — | 53 | ~1887 |
| Celeste Dolan | Daughter | — | 20 | ~1920 |
| James Dolan | Son | — | 13 | ~1927 |
| Joseph Dolan | Son | — | 16 | ~1924 |
| Gerald Dolan | Son | — | 10 | ~1930 |
| Robert Dolan | Son | — | 22 | ~1918 |
Census Appearances
1930
Linn, Iowa
Son, age 3
Linn, Iowa · implied b. ~1927 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Son, age 13
Linn-County, Iowa · implied b. ~1927 — 8 household members
| Surname | Dolan |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 James Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dolan
Son · 1940 · age 13 · b. ~1927 · Iowa
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Sibling
Joseph Dolan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Celeste Dolan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dolan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Dolan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Dolan
Sibling · 1940 · age 24
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 — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01177-00090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William B. James | 58 | Head | Carpenter | Iowa |
| 2 | Matilda B. James | 59 | Wife | — | Iowa |
| 3 | Ruth N. Newkirk | 42 | Head | — | Iowa |
| 4 | Delores A. Newkirk | 17 | Daughter | — | Iowa |
| 5 | William R. Newkirk | 13 | Son | — | Iowa |
| 6 | Betty Jane Newkirk | 12 | Daughter | — | Iowa |
| 7 | Nadine L. Newkirk | 11 | Daughter | — | Iowa |
| 8 | Richard D. Newkirk | 9 | Son | — | Iowa |
| 9 | Kathleen G. Newkirk | 8 | Daughter | — | Iowa |
| 10 | Jerry Lee Newkirk | 4 | Daughter | — | Iowa |
| 11 | John P. Dolan | 53 | Head | House Man | Iowa |
| 12 | Ella A. Dolan | 51 | Wife | — | Iowa |
| 13 | Anita H. Dolan | 24 | Daughter | Bookkeeper | Iowa |
| 14 | Robert E. Dolan | 22 | Son | Stock Clerk | Iowa |
| 15 | Celeste A. Dolan | 20 | Daughter | Bookkeeper & Checker | Iowa |
| 16 | Joseph J. Dolan | 16 | Son | Delivery Boy | Iowa |
| 17 | James P. Dolan THIS PERSON | 13 | Son | — | Iowa |
| 18 | Gerald F. Dolan | 10 | Son | — | Iowa |
| 19 | Frank J. Mcgillicuddy | 54 | Head | Traveling Salesman | Iowa |
| 20 | Margaret E. Mcgillicuddy | 52 | Wife | — | Iowa |
| 21 | John Mcgillicuddy | 23 | Son | Shoe Salesman | Iowa |
| 22 | Joseph Mcgillicuddy | 21 | Son | New Worker | Iowa |
| 23 | Margaret Fay Mcgillicuddy | 15 | Daughter | — | Iowa |
| 24 | Jay W. Westerick | 45 | Head | Printer | Pennsylvania |
| 25 | Bessie Westerick | 55 | Wife | — | Iowa |
| 26 | Pracil, Hilda W. Westerick | 35 | Daughter | — | Iowa |
| 27 | George E. Maruva | 37 | Head | Route Salesman | Nebraska |
| 28 | Frances P. Maruva | 29 | Wife | — | Colorado |
| 29 | Geraldine L. Maruva | 11 | Daughter | — | Iowa |
| 30 | Phyllis J. Maruva | 9 | Daughter | — | Iowa |
| 31 | Joyce I. Maruva | 8 | Daughter | — | Iowa |
| 32 | Ralph A. Wilkins | 44 | Head | Laborer | Iowa |
| 33 | Leona E. Wilkins | 41 | Wife | — | Iowa |
| 34 | Dorothy Leech | 14 | Step-dau | — | Iowa |
| 35 | Louis Leech | 12 | Step-son | — | Iowa |
| 36 | Jacob K. Wansen | 22 | Head | Laborer | Iowa |
| 37 | E. Marie Wansen | 19 | Wife | — | Iowa |
| 38 | Marcia Lee Wansen | 1 | Daughter | — | Iowa |
| 39 | Harold D. Barnes | 40 | Head | Route Salesman | Iowa |
| 40 | Agnes Barnes | 35 | Wife | — | Iowa |
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)