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William Brennan — 1910 US Census Record
Linked across censuses1910 United States Federal Census · New Castle, Delaware
Our Model Tree links this William Brennan across the 1900 and 1910 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a son (b.~1897), then head of a 11-person household.
Age 13
b. ~1897
Male
Son
Born: Delaware
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | New Castle, Delaware |
| Surname | Brennan |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Eight Representative District 2Nd Ed Dist |
| Est. Birth Year | ~1897 |
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.
11 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Arthur Daily | Other | — | 26 | ~1884 |
| Jacques Brennan | Son | — | 15 | ~1895 |
| Margaret Brennan | Daughter | — | 10 | ~1900 |
| Elizabeth Brennan | Daughter | — | 18 | ~1892 |
| Margaret Brennan | Spouse | — | 42 | ~1868 |
| Helen Brennan | Daughter | — | 7 | ~1903 |
| John Brennan | Other | — | 24 | ~1886 |
| Anna Brennan | Daughter | — | 9 | ~1901 |
| John Brennan | Son | — | 21 | ~1889 |
| William Brennan | Son | — | 13 | ~1897 |
| William Brennan | Head | — | 51 | ~1859 |
Census Appearances
1900
New Castle, …
Son, age 4
New Castle, Delaware · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Delaware |
| Birth Month | Nov |
| Birth Year | 1896 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1910
New Castle, …
Son, age 13
New Castle, Delaware · implied b. ~1897 — 11 household members
| Surname | Brennan |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 William Brennan across 2 US Census years (1900 and 1910) in New Castle, Delaware, using XGBoost record linkage.
Show:
This person
Anchor record
William Brennan
Son · 1910 · age 13 · b. ~1897 · Delaware
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Sibling
Elizabeth Brennan
Sibling · 1910 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brennan
Sibling · 1910 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacques Brennan
Sibling · 1910 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Brennan
Sibling · 1910 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Brennan
Sibling · 1910 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Brennan
Sibling · 1910 · age 9
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
1910 US Federal Census — New Castle, Delaware
Open full size
1910 US Federal Census — New Castle, Delaware
Page Contents
49 people indexed on this census page (ia:1910:13thcensus1910po146unit:0307)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Hanigan | 70 | Head | Farmer | Ireland |
| 2 | Annie Hanigan | 24 | Daughter | — | Delaware |
| 3 | John G Stimitis | 30 | Head | Laborer | Austria |
| 4 | Margaret M Stimitis | 22 | Wife | — | Ireland |
| 5 | Gertrude Stimitis | 4 | Daughter | — | Delaware |
| 6 | John Stimitis | 1 | Son | — | Delaware |
| 7 | Andrew S Macklem | 41 | Head | Farmer | Delaware |
| 8 | Lillie Macklem | 39 | Wife | — | Delaware |
| 9 | Elmer M Hyde | 40 | Head | Farmer | Pennsylvania |
| 10 | Catherine L Hyde | 45 | Sister | — | Delaware |
| 11 | Mary L Hyde | 22 | Sister | — | Delaware |
| 12 | Stephen J Hyde | 11 | Nephew | — | Delaware |
| 13 | John S Hyde | 9 | Nephew | — | Delaware |
| 14 | Pratt J Baldwin | 46 | Boarder | Engineer | Pennsylvania |
| 15 | Ellen Hite | 53 | Head | Farmer | Ireland |
| 16 | James Hite | 30 | Son | Laborer | Delaware |
| 17 | Edward J Mcgowan | 37 | Head | Farmer | Delaware |
| 18 | Annie M Mcgowan | 34 | Wife | — | Pennsylvania |
| 19 | John M Mcgowan | 13 | Son | — | Delaware |
| 20 | Marie Mcgowan | 11 | Daughter | — | Delaware |
| 21 | Sarah S Mcgowan | 10 | Daughter | — | Delaware |
| 22 | Mildred R Mcgowan | 8 | Daughter | — | Delaware |
| 23 | Frances Mcgowan | 5 | Daughter | — | Delaware |
| 24 | Edward Mcgowan | 73 | Head | — | Ireland |
| 25 | Neil J Finnegan | 33 | Son-in-law | Farmer | Pennsylvania |
| 26 | Maggie G Finnegan | 30 | Daughter | — | Delaware |
| 27 | Sarah Finnegan | 2 | Granddaughter | — | Delaware |
| 28 | John M Mcvaugh | 25 | Head | Farmer | Delaware |
| 29 | Ruth H Mcvaugh | 20 | Wife | — | Maryland |
| 30 | William Brennan | 51 | Head | Farmer | Ireland |
| 31 | Margaret M Brennan | 42 | Wife | — | Ireland |
| 32 | John J Brennan | 21 | Son | Fireman | Delaware |
| 33 | Elizabeth L Brennan | 18 | Daughter | — | Delaware |
| 34 | Jacques Brennan | 15 | Son | — | Delaware |
| 35 | William R Brennan THIS PERSON | 13 | Son | — | Delaware |
| 36 | Margaret G Brennan | 10 | Daughter | — | Delaware |
| 37 | Anna C Brennan | 9 | Daughter | — | Delaware |
| 38 | Helen H Brennan | 7 | Daughter | — | Delaware |
| 39 | Arthur Daily | 26 | Boarder | Laborer | Ireland |
| 40 | John Brennan | 24 | Boarder | Laborer | Ireland |
| 41 | William J Mitchell | 51 | Head | Farmer | Delaware |
| 42 | Alice G Mitchell | 39 | Sister | — | Delaware |
| 43 | John Dudgomski | 33 | Head | Laborer | Russia |
| 44 | Wladyslawa Dudgomski | 26 | Wife | — | Russia |
| 45 | Peter Dudgomski | 7 | Son | — | Russia |
| 46 | Raymond Dudgomski | 4 | Son | — | Delaware |
| 47 | Leocadia Dudgomski | 2 | Daughter | — | Delaware |
| 48 | Joseph Sizilla | 20 | Boarder | Laborer | Russia |
| 49 | John Somlack | 19 | Boarder | Laborer | Russia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)