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William Brennan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Dauphin, Pennsylvania
Our Model Tree links this William Brennan across the 1910 and 1920 US Censuses in Dauphin, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 13-person household.
Age 15
b. ~1905
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Dauphin, Pennsylvania |
| Surname | Brennan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Helper |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Helper |
| Township / Ward | Harrisburg City |
| Est. Birth Year | ~1905 |
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.
13 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Brennan | Spouse | — | 40 | ~1880 |
| Margaret Brennan | Daughter | — | 13 | ~1907 |
| Mary Brennan | Daughter | — | 17 | ~1903 |
| James Brennan | Son | — | 9 | ~1911 |
| John Brennan | Son | — | ~1920 | |
| Frances Brennan | Daughter | — | 5 | ~1915 |
| Sarah Brennan | Daughter | — | 7 | ~1913 |
| Edward Brennan | Son | — | 1 | ~1919 |
| Daniel Brennan | Son | — | 3 | ~1917 |
| William Brennan | Son | — | 15 | ~1905 |
| Catherine Brennan | Daughter | — | 11 | ~1909 |
| William Brennan | Head | — | 41 | ~1879 |
| Catherine Brennan | Other | — | 70 | ~1850 |
Census Appearances
1910
Dauphin, Pennsylvania
Son, age 6
Dauphin, Pennsylvania · implied b. ~1904 — 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 | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Dauphin, Pennsylvania
Son, age 15
Dauphin, Pennsylvania · implied b. ~1905 — 13 household members
| Surname | Brennan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Helper |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 (1910 and 1920) in Dauphin, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Brennan
Son · 1920 · age 15 · b. ~1905 · Pennsylvania
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Sibling
Daniel Brennan
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brennan
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Brennan
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Brennan
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Brennan
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Brennan
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Brennan
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brennan
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Brennan
Sibling · 1920 · age 1
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 — Dauphin, Pennsylvania
Open full size
1920 US Federal Census — Dauphin, Pennsylvania
Page Contents
46 people indexed on this census page (ia:1920:14thcensusofpopu1559unit:0138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 55 | William Keane | 61 | Head | Janitor | Pennsylvania |
| 56 | Julia Keane | 60 | Wife | — | Pennsylvania |
| 57 | Rose Keane | 30 | Daughter | — | Pennsylvania |
| 58 | Walter Keane | 25 | Son | — | Pennsylvania |
| 59 | Anna Keane | 21 | Daughter | — | Pennsylvania |
| 60 | Thomas Keane | 19 | Son | — | Pennsylvania |
| 61 | John Keane | 17 | Son | — | Pennsylvania |
| 62 | Edward Keane | 15 | Son | — | Pennsylvania |
| 63 | Joseph Keane | 13 | Son | — | Pennsylvania |
| 64 | Paul Keane | 11 | Son | — | Pennsylvania |
| 65 | James Keane | 9 | Son | — | Pennsylvania |
| 66 | William Brennan | 41 | Head | Steamfitter | Pennsylvania |
| 67 | Margaret Brennan | 40 | Wife | — | Pennsylvania |
| 68 | Mary Brennan | 17 | Daughter | Train Runner | Pennsylvania |
| 69 | William Brennan THIS PERSON | 15 | Son | Helper | Pennsylvania |
| 70 | Margaret Brennan | 13 | Daughter | — | Pennsylvania |
| 71 | Catherine Brennan | 11 | Daughter | — | Pennsylvania |
| 72 | James Brennan | 9 | Son | — | Pennsylvania |
| 73 | Sarah Brennan | 7 | Daughter | — | Pennsylvania |
| 74 | Frances Brennan | 5 | Daughter | — | Pennsylvania |
| 75 | Daniel Brennan | 3 | Son | — | Pennsylvania |
| 76 | Edward Brennan | 1 | Son | — | Pennsylvania |
| 77 | John Brennan | 0 | Son | — | Pennsylvania |
| 78 | Catherine Brennan | 70 | Mother | — | Ireland |
| 79 | Margaret Keane | 31 | Head | Tailoress | Pennsylvania |
| 80 | Mary Keane | 28 | Sister | — | Pennsylvania |
| 81 | Catherine Keane | 25 | Sister | — | Pennsylvania |
| 82 | Anna Keane | 22 | Sister | — | Pennsylvania |
| 83 | Edward M. Burke | 29 | Head | Clerk | Pennsylvania |
| 84 | Mary Burke | 26 | Wife | — | Pennsylvania |
| 85 | Edward Jr. Burke | 5 | Son | — | Pennsylvania |
| 86 | Arthur Gilbert | 43 | Head | Fireman | Pennsylvania |
| 87 | Mary Gilbert | 43 | Wife | — | Pennsylvania |
| 88 | William Gilbert | 13 | Son | — | Pennsylvania |
| 89 | George Gilbert | 11 | Son | — | Pennsylvania |
| 90 | James Hall | 33 | Head | Carpenter | Pennsylvania |
| 91 | Sarah Hall | 34 | Wife | Demonstrator | England |
| 92 | Daniel Hall | 11 | Son | — | Pennsylvania |
| 93 | Mary Hall | 9 | Daughter | — | Pennsylvania |
| 94 | Harry Augt | 26 | Head | Trucker | Pennsylvania |
| 95 | Vera Augt | 24 | Wife | — | Pennsylvania |
| 96 | Flora Augt | 0 | Daughter | — | Pennsylvania |
| 97 | Clyde E. Treago | 25 | Head | Machinist | Pennsylvania |
| 98 | Marie Treago | 23 | Wife | — | Pennsylvania |
| 99 | Helen Treago | 2 | Daughter | — | Pennsylvania |
| 100 | Joseph F. Irvine | 23 | Head | Fireman | Pennsylvania |
Related Census Records
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)