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James Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this James Sullivan across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1908), then head of a 3-person household.
Age 22
b. ~1908
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Sullivan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Clerical |
| Industry | Electric Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerical |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mrs Sullivan | Head | — | 54 | ~1876 |
| James Sullivan | Son | — | 22 | ~1908 |
| John Sullivan | Son | — | 20 | ~1910 |
Census Appearances
1910
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1908 — 3 household members
| Surname | Sullivan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerical |
| Industry | Electric Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Sullivan across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father James Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and mother Bessie Sullivan (~0.92 confidence) and mother Delia Sullivan (~0.92 confidence) and mother Mrs Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Sullivan
b. ~1869
Source father
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Bessie Sullivan
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Delia Sullivan
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Mrs Sullivan
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Sullivan
Son · 1930 · age 22 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
John Sullivan
Sibling · 1930 · age 20
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel441:0994)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary J. Acontius | 68 | Mother-in-law | None | Illinois |
| 52 | Vincent Murphy | 42 | Head | Salesman | Illinois |
| 53 | Evelyn Murphy | 34 | Wife | None | Illinois |
| 54 | John Murphy | 13 | Son | None | Illinois |
| 55 | Francis Murphy | 8 | Son | None | Illinois |
| 56 | Vincent Jr. Murphy | 4 | Son | None | Illinois |
| 57 | Catherine Dickneit | 48 | Head | Linen Woman | Missouri |
| 58 | Elinor Dickneit | 22 | Daughter | Comptometer | Missouri |
| 59 | Bernard Dickneit | 17 | Son | Receiving Clerk | Missouri |
| 60 | Lucille Dickneit | 16 | Daughter | None | Illinois |
| 61 | William Murphy | 43 | Boarder | Laborer | Missouri |
| 62 | Michael Keuter | 57 | Head | Painter | Luxembourg |
| 63 | Josephine Keuter | 56 | Wife | None | Illinois |
| 64 | Harry Lrosen | 25 | Head | Chandelier Maker | Illinois |
| 65 | Lillian Lrosen | 26 | Wife | None | Illinois |
| 66 | Dorothy Lrosen | 4 | Daughter | None | Illinois |
| 67 | Harry Boedeker | 52 | Head | Engineer | Illinois |
| 68 | Martha Boedeker | 42 | Wife | None | Wisconsin |
| 69 | Donald Boedeker | 5 | Son | None | Illinois |
| 70 | Mrs Nellie Sullivan | 54 | Head | None | Ireland |
| 71 | James Sullivan THIS PERSON | 22 | Son | Clerical | Illinois |
| 72 | John Sullivan | 20 | Son | Usher | Illinois |
| 73 | John H. Casey | 24 | Head | Chauffeur | Illinois |
| 74 | Genevieve C. Casey | 24 | Wife | None | Illinois |
| 75 | George Rieka | 51 | Head | Laborer | Austria-Vienna |
| 76 | Antoinette Rieka | 44 | Wife | None | Bohemia |
| 77 | Anna Rieka | 17 | Daughter | Typist | Illinois |
| 78 | Gust Lundmark | 53 | Head | Mechanic | Sweden |
| 79 | Louisa Lundmark | 53 | Wife | None | Sweden |
| 80 | Sigvard Quist | 22 | Boarder | Laborer | Sweden |
| 81 | August Strozek | 32 | Head | Machinist | Germany |
| 82 | Emil Lailds | 59 | Head | Bath Attendant | Germany |
| 83 | Marie Lailds | 59 | Wife | None | Finland |
| 84 | Mary Lailds | 21 | Daughter | Clerical | Illinois |
| 85 | Herman Lailds | 26 | Son | Mechanic | Illinois |
| 86 | Paul Lax | 37 | Head | Accountant | Illinois |
| 87 | Emma Lax | 35 | Wife | None | Illinois |
| 88 | Paul Jr. Lax | 15 | Son | None | Illinois |
| 89 | Earl Lax | 9 | Son | None | Illinois |
| 90 | — | None | — | — | — |
| 91 | — | None | — | — | — |
| 92 | — | None | — | — | — |
| 93 | — | None | — | — | — |
| 94 | — | None | — | — | — |
| 95 | — | None | — | — | — |
| 96 | — | None | — | — | — |
| 97 | — | None | — | — | — |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
Pedigree Summary
James + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)