WG
William Gallagher — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this William Gallagher across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Mary — first a son (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Gallagher |
| Given Name | William H. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | paper cutter |
| Industry | paper factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Paper Cutter |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Gallagher | Daughter | — | 24 | ~1906 |
| Dorothy Gallagher | Daughter | — | 21 | ~1909 |
| Annie Gallagher | Daughter | — | 26 | ~1904 |
| Mary Gallagher | Head | — | 55 | ~1875 |
| William Gallagher | Son | — | 20 | ~1910 |
| Edward Gallagher | Son | — | 17 | ~1913 |
| Joseph Gallagher | Son | — | 13 | ~1917 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 10
Middlesex, Massachusetts · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | William A. G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 20
Middlesex, Massachusetts · implied b. ~1910 — 7 household members
| Surname | Gallagher |
| Given Name | William H. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | paper cutter |
| Industry | paper factory |
| Class of Worker | W |
| 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 William Gallagher across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father William Gallagher (~0.92 confidence) and mother Mary Gallagher (~0.92 confidence) and mother Mary Gallagher (~0.92 confidence) and mother Mary Gallagher (~0.92 confidence) and father William Gallagher (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Gallagher
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Mary Gallagher
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Gallagher
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Gallagher
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
William Gallagher
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Gallagher
Son · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Annie Gallagher
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Gallagher
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Gallagher
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Gallagher
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Gallagher
Sibling · 1930 · age 24
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel928:0001)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick J. Madden | 55 | Head | Laborer | Irish Free State |
| 2 | Catherine A. Madden | 43 | Wife-H | — | Irish Free State |
| 3 | Catherine J. Madden | 23 | daughter | Teacher | Massachusetts |
| 4 | Kalgoos Eknaiian | 33 | Head | Barber | Armenia |
| 5 | Elizabeth Eknaiian | 20 | Wife-H | — | Armenia |
| 6 | Maurice J. Carberry | 41 | Head | Laborer | Newfoundland |
| 7 | Elizabeth M. Carberry | 41 | Wife-H | Chambermaid | Newfoundland |
| 8 | Michael Russell | 40 | Head | Truck Driver | Irish Free State |
| 9 | Mary C. Russell | 38 | Wife-H | — | Irish Free State |
| 10 | Thomas P. Russell | 10 | son | — | Massachusetts |
| 11 | John M. Russell | 9 | son | — | Massachusetts |
| 12 | Catherine J. Russell | 5 | daughter | — | Massachusetts |
| 13 | Annie Butler | 25 | Sister-in-law | Forewoman | Irish Free State |
| 14 | Charles Silva | 41 | Head | Track Cutter | Massachusetts |
| 15 | Annie E. Silva | 38 | Wife-H | — | Massachusetts |
| 16 | Doris M. Silva | 18 | daughter | — | Massachusetts |
| 17 | Mary A. Silva | 11 | daughter | — | Massachusetts |
| 18 | Eleanor V. Silva | 8 | daughter | — | Massachusetts |
| 19 | Charles G. Silva | 3 | son | — | Massachusetts |
| 20 | David H. Heeley | 29 | Head | Auto Repairman | Massachusetts |
| 21 | Anna L. Smith | 16 | Boarder | Stenographer | Massachusetts |
| 22 | Alice T. Smith | 12 | Boarder | — | Massachusetts |
| 23 | Elizabeth Smith | 9 | Boarder | — | Massachusetts |
| 24 | Mary E. Moore | 53 | Head | Waitress | England |
| 25 | Joseph P. Moore | 32 | son | Shipping | Massachusetts |
| 26 | John Moore | 28 | son | Photographer | Massachusetts |
| 27 | Elizabeth Moore | 22 | neice | Stock Clerk | Massachusetts |
| 28 | Mary E. Gallagher | 55 | Head | — | Massachusetts |
| 29 | Annie L. Gallagher | 26 | daughter | Typist | Massachusetts |
| 30 | Elizabeth H. Gallagher | 24 | daughter | Operator | Massachusetts |
| 31 | Dorothy A. Gallagher | 21 | daughter | Operator | Massachusetts |
| 32 | William H. Jr. Gallagher THIS PERSON | 20 | son | Paper Cutter | Massachusetts |
| 33 | Joseph L. Gallagher | 13 | son | — | Massachusetts |
| 34 | Edward F. Gallagher | 17 | son | — | Massachusetts |
| 35 | Andrew Mulligan | 42 | Head | Cable Placer | Irish Free State |
| 36 | Mary Mulligan | 47 | Wife-H | — | Irish Free State |
| 37 | Katherine J. Mulligan | 16 | daughter | — | Massachusetts |
| 38 | Andrew J. Mulligan | 14 | son | — | Massachusetts |
| 39 | Hugh V. Mulligan | 12 | son | — | Massachusetts |
| 40 | James J. Mulligan | 8 | son | — | Massachusetts |
| 41 | Frank S. Licanil | 36 | Head | Salesman | Venice Italy |
| 42 | Lena Licanil | 22 | Wife-H | Dressmaker | Venice Italy |
| 43 | Mary Riley | 65 | Head | — | Irish Free State |
| 44 | Louise M. Riley | 33 | daughter | Police Officer | Massachusetts |
| 45 | Don J. Riley | 31 | son | Stenographer | Massachusetts |
| 46 | William Flynn | 74 | Head | — | Irish Free State |
| 47 | Julia F. Flynn | 33 | daughter | Telephone Operator | Massachusetts |
| 48 | William F. Flynn | 35 | son | Painter Business | Massachusetts |
| 49 | John E. Carney | 31 | son-in-law | Checker Clerk | Massachusetts |
| 50 | Katherine V. Carney | 31 | Wife-H | — | Massachusetts |
Pedigree Summary
William + 5 siblings
Gen 1 · 5 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)