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John Brennan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Strafford, New Hampshire
Our Model Tree links this John Brennan across the 1900, 1910 and 1920 US Censuses in Strafford, New Hampshire (XGBoost, ~Confirmed), with identified parents Louisa & Bernard — first a son (b.~1895), then head of a 5-person household.
Age 25
b. ~1895
Male
Son
Born: New Hampshire
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Strafford, New Hampshire |
| Surname | Brennan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Occupation | Electrician |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Electrician |
| Township / Ward | Dover City |
| Est. Birth Year | ~1895 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Brennan | Daughter | — | 21 | ~1899 |
| Louisa Brennan | Head | — | 49 | ~1871 |
| Michael Creeper | Other | — | 24 | ~1896 |
| Robert Brennan | Son | — | 23 | ~1897 |
| John Brennan | Son | — | 25 | ~1895 |
Census Appearances
1900
Strafford, New …
Son, age 5
Strafford, New Hampshire · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Birth Month | Apr |
| Birth Year | 1895 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Hampshire |
| Occupation | at school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Strafford, New …
Son, age 14
Strafford, New Hampshire · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Hampshire |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Strafford, New …
Son, age 25
Strafford, New Hampshire · implied b. ~1895 — 5 household members
| Surname | Brennan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Hampshire |
| Occupation | Electrician |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 John Brennan across 3 US Census years (1900, 1910 and 1920) in Strafford, New Hampshire, using XGBoost record linkage. Identified parents: mother Louisa Brennan (~0.92 confidence) and father Bernard Brennan (~0.92 confidence) and mother Mary Brennan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Louisa Brennan
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Bernard Brennan
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Mary Brennan
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Brennan
Son · 1920 · age 25 · b. ~1895 · New Hampshire
★ You are viewing this record
Sibling
Robert Brennan
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Brennan
Sibling · 1920 · age 21
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 — Strafford, New Hampshire
Open full size
1920 US Federal Census — Strafford, New Hampshire
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1008unit:1123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George Dionne | 13 | Son | — | New Hampshire |
| 52 | Raymond Dionne | 11 | Son | — | New Hampshire |
| 53 | Irene Dionne | 9 | Daughter | — | New Hampshire |
| 54 | Leo Dionne | 8 | Son | — | New Hampshire |
| 55 | Doris Dionne | 7 | Daughter | — | New Hampshire |
| 56 | Robert Dionne | 6 | Son | — | New Hampshire |
| 57 | Beatrice Dionne | 4 | Daughter | — | New Hampshire |
| 58 | Alice Dionne | 2 | Daughter | — | New Hampshire |
| 59 | William Hughes | 24 | Head | Proprietor | New Hampshire |
| 60 | Tessa Hughes | 21 | Wife | — | Maine |
| 61 | Beverly Hughes | 0 | Daughter | — | New Hampshire |
| 62 | Abbie Marden | 77 | Head | — | Massachusetts |
| 63 | Catherine Cassidy | 65 | Head | — | Ireland |
| 64 | Mary Cassidy | 62 | Sister | — | Ireland |
| 65 | James Beverly | 45 | Head | Teamster | England |
| 66 | Martha Beverly | 35 | Wife | — | New Hampshire |
| 67 | Helen Beverly | 10 | Daughter | — | New Hampshire |
| 68 | Lawrence Beverly | 8 | Son | — | New Hampshire |
| 69 | Alice Beverly | 6 | Daughter | — | New Hampshire |
| 70 | Margaret Beverly | 4 | Daughter | — | New Hampshire |
| 71 | Samuel J. Lennon | 36 | Head | Belt Maker | Ireland |
| 72 | Agnes Lennon | 32 | Wife | — | Ireland |
| 73 | Patrick Monahan | 46 | Head | Fireman | Ireland |
| 74 | Elizabeth Monahan | 44 | Wife | — | Ireland |
| 75 | Annie Monahan | 13 | Daughter | — | New Hampshire |
| 76 | Catherine Monahan | 11 | Daughter | — | New Hampshire |
| 77 | Mildred Monahan | 8 | Daughter | — | New Hampshire |
| 78 | Mabel Monahan | 6 | Daughter | — | New Hampshire |
| 79 | Charles Monahan | 3 | Son | — | New Hampshire |
| 80 | Michael Moore | 38 | Head | Shoemaker | Ireland |
| 81 | Mary E. Moore | 34 | Wife | — | New Hampshire |
| 82 | Mary J. Moore | 4 | Daughter | — | New Hampshire |
| 83 | Catherine A. Moore | 2 | Daughter | — | New Hampshire |
| 84 | Arthur D. Kittredge | 52 | Head | Salesman | New Hampshire |
| 85 | Nettie A. Kittredge | 52 | Wife | — | New Hampshire |
| 86 | Louisa Brennan | 49 | Head | — | New Hampshire |
| 87 | John J. Brennan THIS PERSON | 25 | Son | Electrician | New Hampshire |
| 88 | Robert A. Brennan | 23 | Son | Collector | New Hampshire |
| 89 | Elizabeth M. Brennan | 21 | Daughter | Packer | New Hampshire |
| 90 | Michael Creeper | 24 | Boarder | Mill Worker | New Hampshire |
| 91 | Michael Dillon | 56 | Head | — | Ireland |
| 92 | Ellen Dillon | 52 | Wife | — | Ireland |
| 93 | Mary Dillon | 28 | Daughter | — | New Hampshire |
| 94 | Patrick Dillon | 23 | Son | Painter | New Hampshire |
| 95 | John Dillon | 21 | Son | — | New Hampshire |
| 96 | Catherine Dillon | 19 | Daughter | Stenographer | New Hampshire |
| 97 | Teresa Dillon | 16 | Daughter | Bookkeeper | New Hampshire |
| 98 | Helen Dillon | 13 | Daughter | — | New Hampshire |
| 99 | Thomas Dillon | 9 | Son | — | New Hampshire |
| 100 | Maria Tebbetts | 87 | Head | — | New Hampshire |
Pedigree Summary
John + 2 siblings
Gen 1 · 3 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)