JB
James Brennan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Multnomah, Oregon
Our Model Tree links this James Brennan across the 1920 and 1930 US Censuses in Multnomah, Oregon (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 10-person household.
Age 7
b. ~1913
Male
Son
Born: Oregon
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Multnomah, Oregon |
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Portland City |
| Est. Birth Year | ~1913 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Brennan | Daughter | — | 5 | ~1915 |
| Alice Brennan | Daughter | — | 3 | ~1917 |
| Francis Brennan | Daughter | — | 8 | ~1912 |
| Catherine Brennan | Daughter | — | 10 | ~1910 |
| Albert Brennan | Head | — | 47 | ~1873 |
| Alice Brennan | Other | — | 73 | ~1847 |
| Harry Brennan | Son | — | 1 | ~1919 |
| James Brennan | Son | — | 7 | ~1913 |
| John Brennan | Son | — | 13 | ~1907 |
| Nellie Brennan | Spouse | — | 33 | ~1887 |
Census Appearances
1920
Multnomah, Oregon
Son, age 7
Multnomah, Oregon · implied b. ~1913 — 10 household members
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 17
Multnomah, Oregon · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brannen |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | truck driver |
| Industry | retail store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Brennan across 2 US Census years (1920 and 1930) in Multnomah, Oregon, using XGBoost record linkage.
Show:
This person
Anchor record
James Brennan
Son · 1920 · age 7 · b. ~1913 · Oregon
★ You are viewing this record
Sibling
Alice Brennan
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Brennan
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Brennan
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Brennan
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brennan
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Brennan
Sibling · 1920 · age 5
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 — Multnomah, Oregon
Open full size
1920 US Federal Census — Multnomah, Oregon
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1500unit:1005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Farley | 46 | Head | Laborer | Pennsylvania |
| 2 | Grace Farley | 32 | Wife | — | Iowa |
| 3 | Dorothy Farley | 10 | Daughter | — | Oregon |
| 4 | Felix Waterhouse | 40 | Head | Servant | — |
| 5 | Edwin Waterhouse | 16 | Son | Messenger | Oregon |
| 6 | Raymond Waterhouse | 13 | Son | — | Oregon |
| 7 | Leroy Waterhouse | 12 | Son | — | Oregon |
| 8 | Albert Brennan | 47 | Head | Barber | Pennsylvania |
| 9 | Nellie Brennan | 33 | Wife | Cook | Pennsylvania |
| 10 | John Brennan | 13 | Son | — | Pennsylvania |
| 11 | Catherine Brennan | 10 | Daughter | — | Pennsylvania |
| 12 | Francis Brennan | 8 | Daughter | — | Oregon |
| 13 | James Brennan THIS PERSON | 7 | Son | — | Oregon |
| 14 | Helen Brennan | 5 | Daughter | — | Washington |
| 15 | Alice Brennan | 3 | Daughter | — | Oregon |
| 16 | Harry Brennan | 1 | Son | — | Oregon |
| 17 | Alice Brennan | 73 | Mother | — | Michigan |
| 18 | Andrew Lindholm | 25 | Head | Carpenter | — |
| 19 | Helen Lindholm | 25 | Wife | — | Nebraska |
| 20 | Pearl Lindholm | 1 | Daughter | — | Oregon |
| 21 | Thomas Gilgan | 71 | Head | — | Ireland |
| 22 | Jane Gilgan | 69 | Wife | — | Maryland |
| 23 | James Nelson | 60 | Head | — | Sweden |
| 24 | Ella Cole | 52 | Head | — | Oregon |
| 25 | Pearl Cole | 21 | Daughter | Stenographer | Oregon |
| 26 | Sarah Mccuad | 65 | Head | — | — |
| 27 | John Mccuad | 35 | Son | Music | Maine |
| 28 | Otto Ichenor | 37 | Head | Laborer | Oregon |
| 29 | Lora Belle Ichenor | 35 | Wife | — | Oregon |
| 30 | Sunny Ichenor | 14 | Daughter | — | Oregon |
| 31 | Paul Ichenor | 9 | Son | — | Oregon |
| 32 | Leroy Ichenor | 3 | Son | — | Colorado |
| 33 | Marion F. Cooper | 43 | Head | — | Illinois |
| 34 | Lizzie Cooper | 33 | Wife | — | Kansas |
| 35 | Florence E. Cooper | 13 | Daughter | — | Oregon |
| 36 | Abbie L. Cooper | 11 | Daughter | — | Oregon |
| 37 | Thomas K. Cooper | 7 | Daughter | — | Oregon |
| 38 | Robert D. Cooper | 2 | Son | — | Oregon |
| 39 | John Puckett | 25 | Head | Laborer | Washington |
| 40 | Ella Puckett | 19 | Wife | — | Oregon |
| 41 | Alfred Puckett | 23 | Brother | Laborer | Washington |
| 42 | Goderett Unger | 22 | Head | Electrician | Oregon |
| 43 | Elma Unger | 20 | Wife | — | Oregon |
| 44 | Lena Unger | 14 | Sister | — | Oregon |
| 45 | Clementine Unger | 8 | Sister | — | Oregon |
| 46 | William Unger | 6 | Brother | — | Oregon |
| 47 | Katherine Unger | 20 | Sister | Clerk | California |
| 48 | Bertha Harper | 52 | Head | Janitress | Norway |
| 49 | Crisman Harper | 17 | Son | Messenger | Oregon |
| 50 | Walter Sway | 35 | Son in law | Boiler Maker | Washington |
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)