CS
Cornelius Sullivan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Douglas, Nebraska
Our Model Tree links this Cornelius Sullivan across the 1900, 1910 and 1920 US Censuses in Douglas, Nebraska (XGBoost, ~Confirmed), with identified parents Cornelius & Cornelius — first a son (b.~1900), then head of a 4-person household.
Age 20
b. ~1900
Male
Son
Born: Nebraska
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Douglas, Nebraska |
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Clerk |
| Township / Ward | Omaha |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Cornelius | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Spouse | — | 50 | ~1870 |
| Cornelius Sullivan | Son | — | 20 | ~1900 |
| Francis Sullivan | Son | — | 23 | ~1897 |
| Cornelius Sullivan | Head | — | 58 | ~1862 |
Census Appearances
1900
Douglas, Nebraska
Son, age 1
Douglas, Nebraska · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Birth Month | Apr |
| Birth Year | 1899 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1910
Douglas, Nebraska
Son, age 10
Douglas, Nebraska · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1920
Douglas, Nebraska
Son, age 20
Douglas, Nebraska · implied b. ~1900 — 4 household members
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Cornelius Sullivan across 3 US Census years (1900, 1910 and 1920) in Douglas, Nebraska, using XGBoost record linkage. Identified parents: father Cornelius Sullivan (~0.92 confidence) and father Cornelius Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Sullivan
b. ~1853
Source father
● Household
· direct · ~0.92
Father
Cornelius Sullivan
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Cornelius Sullivan
Son · 1920 · age 20 · b. ~1900 · Nebraska
★ You are viewing this record
Sibling
Francis Sullivan
Sibling · 1920 · age 23
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
1920 US Federal Census — Douglas, Nebraska
Open full size
1920 US Federal Census — Douglas, Nebraska
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu987unit:0032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stanley R Clark | 38 | Head | Traveler | Canada |
| 2 | Margaret Clark | 32 | Wife | — | Canada |
| 3 | Douglas R Clark | 5 | Son | — | Canada |
| 4 | Marjorie M Clark | 4 | Daughter | — | Canada |
| 5 | Mary Weatherhead | 70 | Mother-in-law | — | Scotland |
| 6 | John V Anderson | 36 | Head | Route Agent | Ohio |
| 7 | Marie P Anderson | 30 | Wife | — | Indiana |
| 8 | Dick P Anderson | 7 | Son | — | Illinois |
| 9 | Edward H Anderson | 3 | Son | — | Iowa |
| 10 | Eddy G Wilmoth | 53 | Head | Retail | Indiana |
| 11 | Edith A Wilmoth | 42 | Wife | — | Nebraska |
| 12 | Harmon Wilmoth | 19 | Son | — | Nebraska |
| 13 | Marion G Wilmoth | 17 | Son | Salesman | Nebraska |
| 14 | Elwood F Wilmoth | 13 | Son | News Boy | Nebraska |
| 15 | Luther A Harmon | 75 | Father | — | Connecticut |
| 16 | Hannah M Harmon | 64 | Mother | — | Illinois |
| 17 | Magdalene Stouffer | 41 | Head | — | Nebraska |
| 18 | Magdalene Stouffer | 14 | Daughter | — | Nebraska |
| 19 | Elizabeth Helpin | 37 | Sister | Stenographer | Nebraska |
| 20 | Ward L Griffin | 32 | Head | Mechanic | Iowa |
| 21 | Gertrude Griffin | 30 | Wife | — | Illinois |
| 22 | William Herr | 44 | Head | Claim Adjuster | Pennsylvania |
| 23 | Jennie R Herr | 39 | Wife | — | Nebraska |
| 24 | Winnified Herr | 17 | Daughter | — | Kansas |
| 25 | Thomas P Herr | 25 | Brother | Stenographer | Kansas |
| 26 | Harris C Paige | 38 | Head | Advertising | Illinois |
| 27 | Hazel L Paige | 32 | Wife | — | Iowa |
| 28 | Halette Paige | 3 | Daughter | — | Nebraska |
| 29 | Eugenia Paige | 0 | Daughter | — | Nebraska |
| 30 | James Mccoffin | 39 | Head | Printer | Ireland |
| 31 | Margaret Mccoffin | 25 | Wife | — | Nebraska |
| 32 | Nell Geary | 32 | Sister-in-law | Saleswoman | Nebraska |
| 33 | Roy Nearhood | 30 | Head | Clerk | Kansas |
| 34 | Mable Nearhood | 26 | Wife | — | Nebraska |
| 35 | Frank V Rhodes | 31 | Head | Chief Clerk | Nebraska |
| 36 | Katherine Rhodes | 30 | Wife | — | Minnesota |
| 37 | Gene Spence | 37 | Head | Salesman | Iowa |
| 38 | Dollie Spence | 30 | Wife | None | Nebraska |
| 39 | Dorothy Spence | 10 | Daughter | None | Iowa |
| 40 | Lenard Spence | 5 | Son | None | Nebraska |
| 41 | Norman W Green | 29 | Head | Wholesale | Iowa |
| 42 | Nell Green | 28 | Wife | None | Missouri |
| 43 | Janet L Green | 5 | Daughter | None | Nebraska |
| 44 | Wilmot Keister | 36 | Head | Sales Manager | Iowa |
| 45 | Helen Keister | 34 | Wife | None | Nebraska |
| 46 | Marian Keister | 11 | Daughter | None | Nebraska |
| 47 | Cornelius Sullivan | 58 | Head | None | Ireland |
| 48 | Margaret Sullivan | 50 | Wife | None | Ireland |
| 49 | Francis Sullivan | 23 | Son | Salesman | Nebraska |
| 50 | Cornelius Sullivan THIS PERSON | 20 | Son | Clerk | Nebraska |
Pedigree Summary
Cornelius + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)