JD
James Donovan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Clair, Illinois
Our Model Tree links this James Donovan across the 1930 and 1940 US Censuses in St Clair, Illinois (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 9-person household.
Age 20
b. ~1910
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Clair, Illinois |
| Surname | Donovan |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | No |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | East St Louis City |
| Est. Birth Year | ~1910 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Donovan | Son | — | 20 | ~1910 |
| Francis Donovan | Daughter | — | 27 | ~1903 |
| Mary Donovan | Daughter | — | 23 | ~1907 |
| Harry Donovan | Son | — | 15 | ~1915 |
| Annie Donovan | Daughter | — | 24 | ~1906 |
| Irene Donovan | Daughter | — | 14 | ~1916 |
| Minnie Donovan | Head | — | 55 | ~1875 |
| Chas Donovan | Son | — | 18 | ~1912 |
| Margaret Donovan | Daughter | — | 28 | ~1902 |
Census Appearances
1930
St Clair, …
Son, age 20
St Clair, Illinois · implied b. ~1910 — 9 household members
| Surname | Donovan |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ireland |
| Can Read/Write | No |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Son, age 30
St.-Clair-County, Illinois · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donavan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Donovan
Son · 1930 · age 20 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Irene Donovan
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donovan
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donovan
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Donovan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chas Donovan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Donovan
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Donovan
Sibling · 1930 · 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
1930 US Federal Census — St Clair, Illinois
Open full size
1930 US Federal Census — St Clair, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel556:0755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Erenich Naxe | 77 | Head | — | Illinois |
| 2 | Daughter Naxe | 45 | — | — | Illinois |
| 3 | Lillian Lurman | 62 | Lodger | Chief Clerk | Illinois |
| 4 | Chas S King | 51 | Head | Physician | Illinois |
| 5 | Elizabeth King | 43 | Wife | — | Illinois |
| 6 | Peter M Smith | 18 | Servant | Servant | Missouri |
| 7 | Mack A Stone | 50 | Head | — | Illinois |
| 8 | Ada Stone | 53 | Wife | — | Illinois |
| 9 | Richard J Stone | 23 | Head | Baker | Illinois |
| 10 | Emily V Stone | 17 | Daughter | — | Canada |
| 11 | Julius Nicks | 27 | Lodger | — | Illinois |
| 12 | Anita B Alabach | 63 | Lodger | — | Minnesota |
| 13 | Hans Henry Young | 35 | Head | Clerk | Illinois |
| 14 | Mildred Young | 10 | Daughter | — | Illinois |
| 15 | Robert Young | 7 | Son | — | Illinois |
| 16 | Geo E Locute | 37 | Son in law | Baker | Illinois |
| 17 | Ida M Locute | 37 | Daughter | — | Illinois |
| 18 | Catherine Locute | 11 | Niece | — | Illinois |
| 19 | Fred B Miller | 44 | Head | Blacksmith | Illinois |
| 20 | Marie A Miller | 42 | Wife | — | Illinois |
| 21 | Estelle Locute | 40 | Daughter | — | Missouri |
| 22 | Henry Hauswesto | 61 | Head | Sta Engineer | Missouri |
| 23 | Elizabeth Hauswesto | 58 | Wife | — | Illinois |
| 24 | Leda E Hauswesto | 22 | Daughter | Clerical | Illinois |
| 25 | Hagop Vattanian | 66 | Head | — | Armenia |
| 26 | Nora Vattanian | 55 | Wife | — | Armenia |
| 27 | Akam Harsigian | 33 | Lodger | — | Armenia |
| 28 | Lewis B Moreland | 34 | Head | Bookkeeper | Missouri |
| 29 | Alice M Moreland | 35 | Wife | — | Missouri |
| 30 | Marjorie Moreland | 4 | Daughter | — | Missouri |
| 31 | Barbara Moreland | 1 | Son | — | Illinois |
| 32 | E Verne Yungat | 29 | Head | Clerk | Illinois |
| 33 | Helen W Yungat | 27 | Wife | — | Illinois |
| 34 | Patricia A Yungat | 4 | Daughter | — | Illinois |
| 35 | Neal Yungat | 2 | Son | — | Illinois |
| 36 | Harry H Harris | 53 | Head | Accountant | Ohio |
| 37 | Daisy B Harris | 46 | Wife | — | Illinois |
| 38 | Harry E Harris | 18 | Son | — | Illinois |
| 39 | Minnie Donovan | 55 | Head | — | Ireland |
| 40 | Margaret Donovan | 28 | Daughter | Stenographer | Illinois |
| 41 | Francis Donovan | 27 | Daughter | Clerical | Illinois |
| 42 | Annie Donovan | 24 | Daughter | Stenographer | Illinois |
| 43 | Mary E Donovan | 23 | Daughter | Clerk | Illinois |
| 44 | James R Donovan THIS PERSON | 20 | Son | — | Illinois |
| 45 | Chas T Donovan | 18 | Son | Clerk | Illinois |
| 46 | Harry J Donovan | 15 | Son | — | Illinois |
| 47 | Irene Donovan | 14 | Daughter | — | Illinois |
| 48 | Fred E Newton | 25 | Head | Salesman | Illinois |
| 49 | Wilda M Newton | 42 | Wife | — | Illinois |
| 50 | Robert Strong | 19 | Son | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)