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Catherine Gallagher — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Catherine Gallagher across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1904), then head of a 4-person household.
Age 26
b. ~1904
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Gallagher |
| Given Name | Catherine M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1904 |
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 1930 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Ann Gallagher | Other | — | 60 | ~1870 |
| John Gallagher | Head | — | 67 | ~1863 |
| Francis Gallagher | Son | — | 19 | ~1911 |
| Catherine Gallagher | Daughter | — | 26 | ~1904 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age 6
Essex, Massachusetts · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Daughter, age 16
Essex, Massachusetts · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Scotland |
| Occupation | Spinner |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 26
Essex, Massachusetts · implied b. ~1904 — 4 household members
| Surname | Gallagher |
| Given Name | Catherine M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Catherine Gallagher across 3 US Census years (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: father John Gallagher (~0.92 confidence) and father John Gallagher (~0.92 confidence) and mother Agnes Gallagher (~0.92 confidence) and mother Annie Gallagher (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Gallagher
b. ~1863
Source father
● Household
· direct · ~0.92
Father
John Gallagher
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Agnes Gallagher
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Annie Gallagher
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Catherine Gallagher
Daughter · 1930 · age 26 · b. ~1904 · Massachusetts
★ You are viewing this record
Sibling
Francis Gallagher
Sibling · 1930 · age 19
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
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel898:0081)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Knapton | 46 | Head | Dresser | England |
| 2 | Olive Knapton | 44 | Wife-H | — | England |
| 3 | Elva Knapton | 22 | Daughter | — | Massachusetts |
| 4 | Alfred Knapton | 20 | Son | — | Massachusetts |
| 5 | Ruth Ericsson | 74 | Mother-in-law | — | England |
| 6 | Sarah Ryan | 54 | Head | — | Massachusetts |
| 7 | Thomas Ryan | 28 | Son | Operative | Massachusetts |
| 8 | James Ryan | 18 | Son | Bell-Boy | New Hampshire |
| 9 | Daniel Danahy | 23 | Son-in-law | Operative | Massachusetts |
| 10 | Agnes Danahy | 21 | Daughter | Book-Keeper | New Hampshire |
| 11 | James Judge | 63 | Head | Operative | Irish Free State |
| 12 | Hannah Judge | 59 | Wife-H | — | Irish Free State |
| 13 | Ellen V. Judge | 33 | Daughter | Clerk-File | Massachusetts |
| 14 | Mary J. Judge | 31 | Daughter | Mender | Massachusetts |
| 15 | James F. Judge | 25 | Son | Shipper | Massachusetts |
| 16 | Dennis Danahy | 55 | Head | Janitor | Irish Free State |
| 17 | Mary Danahy | 55 | Wife-H | — | Irish Free State |
| 18 | Philip Danahy | 25 | Son | Mechanic | Massachusetts |
| 19 | John Danahy | 21 | Son | Mechanic | Massachusetts |
| 20 | James Murphy | 49 | Head | Laborer | Irish Free State |
| 21 | Mary Murphy | 46 | Wife-H | — | Irish Free State |
| 22 | John Murphy | 14 | Son | — | Massachusetts |
| 23 | James Murphy | 11 | Son | — | Massachusetts |
| 24 | Maurice Murphy | 8 | Son | — | Massachusetts |
| 25 | John Griffin | 42 | Brother-in-law | Operative | Irish Free State |
| 26 | John Griffin | 14 | Nephew | — | Massachusetts |
| 27 | Helen Griffin | 2 | Niece | — | Massachusetts |
| 28 | Frank Champai | 30 | Head | Mechanic | Massachusetts |
| 29 | Marion Champai | 21 | Wife-H | — | Massachusetts |
| 30 | Mary Champai | 1 | Daughter | — | Massachusetts |
| 31 | Patrick Crowley | 65 | Head | Operative | North Ireland |
| 32 | Annie Crowley | 65 | Wife-H | — | North Ireland |
| 33 | Michael Duggan | 68 | Head | — | Massachusetts |
| 34 | Margaret A. Duggan | 62 | Wife-H | — | Massachusetts |
| 35 | Francis L. Duggan | 31 | Son | Proprietor | Massachusetts |
| 36 | Aloysius F. Duggan | 27 | Son | Clerk | Massachusetts |
| 37 | Cornelius J. Duggan | 16 | Son | Sales-Man | Massachusetts |
| 38 | Agnes M. Duggan | 19 | Daughter | — | Massachusetts |
| 39 | John J. Gallagher | 67 | Head | Stationary Fireman | England |
| 40 | Ann Gallagher | 60 | Wife-H | — | Irish Free State |
| 41 | Catherine M. Gallagher THIS PERSON | 26 | Daughter | — | Massachusetts |
| 42 | Francis J. Gallagher | 19 | Son | Operative | Massachusetts |
| 43 | Eugene F. O'Sullivan | 46 | Head | Supt. Large Buildings | Massachusetts |
| 44 | Mary F. O'Sullivan | 46 | Wife-H | — | Irish Free State |
| 45 | Mary L. O'Sullivan | 19 | Daughter | — | Massachusetts |
| 46 | Edward P. O'Sullivan | 17 | Son | — | Massachusetts |
| 47 | Martin H. O'Sullivan | 17 | Son | — | Massachusetts |
| 48 | Margaret F. O'Sullivan | 11 | Daughter | — | Massachusetts |
| 49 | Martin Egan | 66 | Father-in-law | Janitor | Irish Free State |
| 50 | — | None | — | — | — |
Search for Catherine Gallagher
All Catherine Gallagher Census Records Discover Gallagher Family TreePedigree Summary
Catherine + 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 1930 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)