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James Donovan — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this James Donovan across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed), with identified parents James & Mary — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Donovan |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Donovan | Son | — | 20 | ~1920 |
| Philice Donovan | Daughter | — | 15 | ~1925 |
| Margaret Donovan | Daughter | — | 18 | ~1922 |
| James Donovan | Head | — | 52 | ~1888 |
| Mary Donovan | Daughter | — | 22 | ~1918 |
| Mary Donovan | Spouse | — | 47 | ~1893 |
Census Appearances
1920
New Castle, …
Son, age
New Castle, Delaware · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Son, age 10
New Castle, Delaware · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | James J Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Son, age 20
New-Castle-County, Delaware · implied b. ~1920 — 6 household members
| Surname | Donovan |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Highest Grade | C 2 |
| 1935 Residence | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Donovan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Donovan (~0.92 confidence) and mother Mary Donovan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Donovan
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mary Donovan
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Donovan
Son · 1940 · age 20 · b. ~1920 · Delaware
★ You are viewing this record
Sibling
Philice Donovan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donovan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Donovan
Sibling · 1940 · age 18
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 — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00550-00550)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David E Capril | 57 | Head | Secretary | Delaware |
| 2 | Ethel M Capril | 55 | Wife | — | Delaware |
| 3 | Margaret M Capril | 23 | Daughter | Secretary | Delaware |
| 4 | Stroud J Horn | 74 | Head | Secretary | Delaware |
| 5 | Mattie P Horn | 47 | Wife | — | Maryland |
| 6 | Thomas E Davis | 41 | Head | Accountant | Virginia |
| 7 | Grace E Davis | 39 | Wife | — | Virginia |
| 8 | Thomas J Davis | 19 | Son | — | Virginia |
| 9 | William C Backus | 48 | Head | Asst Purchasing Agt | Virginia |
| 10 | Beulah G Backus | 48 | Wife | — | Virginia |
| 11 | William E Backus | 23 | Son | — | Virginia |
| 12 | Richard E Mcmullen | 72 | Head | Mfg'S Agent | Delaware |
| 13 | Florence H Mcmullen | 70 | Wife | — | Delaware |
| 14 | Gertrude K Hutchison | 66 | Sister | — | Delaware |
| 15 | John E Jr Healy | 45 | Head | Vice President | Delaware |
| 16 | Ann M Healy | 50 | Sister | Treasurer | Delaware |
| 17 | Margaret Lynch | 44 | Sister | — | Delaware |
| 18 | John E Iii Healy | 23 | Nephew | — | Delaware |
| 19 | Thomas J Healy | 21 | Nephew | — | Delaware |
| 20 | John E Mccall | 42 | Head | Clerk | Delaware |
| 21 | Marie C Mccall | 41 | Wife | — | Delaware |
| 22 | John J Mccall | 10 | Son | — | Delaware |
| 23 | Dolores M Mccall | 11 | Daughter | — | Delaware |
| 24 | Isabel Robertson | 68 | Head | Gardener | Scotland |
| 25 | Minnie Robertson | 65 | Wife | — | England |
| 26 | Minnie Robertson | 26 | Daughter | Secretary | Pennsylvania |
| 27 | John B Grant | 58 | Head | Teacher | Delaware |
| 28 | Mary E Grant | 58 | Sister | — | Delaware |
| 29 | Margaret Lyons | 31 | Lodger | Nurse | Pennsylvania |
| 30 | Ralph Bunting | 44 | Head | Painter | Delaware |
| 31 | Rose Bunting | 42 | Wife | — | Delaware |
| 32 | Margaret Bunting | 79 | Mother | — | Delaware |
| 33 | Willard Bunting | 42 | Brother | Pattern Maker | Delaware |
| 34 | Susan Elizabeth Bunting | 84 | Aunt | — | Delaware |
| 35 | James J Donovan | 52 | Head | Agent | Missouri |
| 36 | Mary E Donovan | 47 | Wife | — | Delaware |
| 37 | Mary E Donovan | 22 | Daughter | Bookkeeping | Delaware |
| 38 | James J Donovan THIS PERSON | 20 | Son | — | Delaware |
| 39 | Margaret E Donovan | 18 | Daughter | — | Delaware |
| 40 | Philice M Donovan | 15 | Daughter | — | Delaware |
Related Census Records
Pedigree Summary
James + 3 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)