JG
Joseph Gallagher — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Joseph Gallagher across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents John & Catherine — first a son (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Gallagher |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Collector |
| Industry | Coal Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Collector |
| Township / Ward | Baltimore 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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Katherine Gallagher | Spouse | — | 54 | ~1876 |
| Edward Gallagher | Son | — | 14 | ~1916 |
| Monica Gallagher | Daughter | — | 18 | ~1912 |
| Anna Gallagher | Daughter | — | 16 | ~1914 |
| John Gallagher | Son | — | 21 | ~1909 |
| Joseph Gallagher | Son | — | 20 | ~1910 |
| John Gallagher | Head | — | 62 | ~1868 |
Census Appearances
1920
None, Maryland
Son, age 9
None, Maryland · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | German Poland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 20
Baltimore, Maryland · implied b. ~1910 — 7 household members
| Surname | Gallagher |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Collector |
| Industry | Coal Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 30
Baltimore-City-County, Maryland · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallager |
| Given Name | Joseph F. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Occupation | Seaman |
| Industry | P.R.R. R.R. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 460 |
| Highest Grade | No 7 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Joseph Gallagher across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Gallagher (~0.92 confidence) and mother Catherine Gallagher (~0.92 confidence) and mother Katherine Gallagher (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Gallagher
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Catherine Gallagher
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Katherine Gallagher
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Gallagher
Son · 1930 · age 20 · b. ~1910 · Maryland
★ You are viewing this record
Sibling
Edward Gallagher
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Monica Gallagher
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Gallagher
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Gallagher
Sibling · 1930 · age 16
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus851unit:0633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Shimek | 59 | Head | — | Czechoslovakia |
| 52 | Mary E Shimek | 27 | Daughter | Laborer | Maryland |
| 53 | Elizabeth Shimek | 25 | Daughter | Laborer | Maryland |
| 54 | William Arlin | 51 | Head | Merchant | Maryland |
| 55 | Nettie Arlin | 42 | Wife | — | Maryland |
| 56 | Samuel Arlin | 23 | Son | Order Clerk | Maryland |
| 57 | Audrey Arlin | 19 | Daughter | Stenographer | Maryland |
| 58 | William Jr Arlin | 11 | Son | — | Maryland |
| 59 | Albert Miller | 40 | Head | Chauffeur | Maryland |
| 60 | Catherine Miller | 39 | Wife | — | Maryland |
| 61 | Albert Miller | 17 | Son | — | Maryland |
| 62 | John Miller | 12 | Son | — | Maryland |
| 63 | Fred Turck | 56 | Head | Tuner | Maryland |
| 64 | Gertrude Turck | 55 | Wife | Press Feeder | Maryland |
| 65 | Herman Turck | 16 | Son | Errand Boy | Maryland |
| 66 | Chester Turck | 14 | Son | Clerk | Maryland |
| 67 | George Staab | 40 | Head | Proprietor | Maryland |
| 68 | Margaret Staab | 39 | Wife | — | Maryland |
| 69 | Helen Staab | 17 | Daughter | Saleslady | Maryland |
| 70 | Mary Staab | 15 | Daughter | — | Maryland |
| 71 | George Staab | 5 | Son | — | Maryland |
| 72 | Charles Neubert | 34 | Head | Tacker | Maryland |
| 73 | Lillian Neubert | 30 | Wife | — | Maryland |
| 74 | Charles Neubert | 15 | Son | — | Maryland |
| 75 | Frank Albert | 30 | Head | Policeman | Maryland |
| 76 | Anna Albert | 29 | Wife | — | Maryland |
| 77 | Francis Albert | 7 | Daughter | — | Maryland |
| 78 | Helen Albert | 4 | Daughter | — | Maryland |
| 79 | Josephine Albert | 1 | Daughter | — | Maryland |
| 80 | George Albert | 0 | Son | — | Maryland |
| 81 | Anna Mccassey | 26 | Head | Record Clerk | Maryland |
| 82 | Catherine Mccassey | 24 | Wife | — | Maryland |
| 83 | Louise Mccassey | 18 | Boarder | Waitress | Maryland |
| 84 | Joseph Petrovsky | 40 | Head | Cleaner | Czechoslovakia |
| 85 | Lena Petrovsky | 42 | Wife | Chambermaid | Czechoslovakia |
| 86 | Margaret Seifert | 46 | Head | Operator | Maryland |
| 87 | Edith Seifert | 16 | Daughter | Floor Girl | Maryland |
| 88 | Ruth Seifert | 13 | Daughter | — | Maryland |
| 89 | Earl Seifert | 11 | Son | — | Maryland |
| 90 | Naomi Seifert | 8 | Daughter | — | Maryland |
| 91 | Mary Seifert | 5 | Daughter | — | Maryland |
| 92 | Morris Reely | 31 | Brother | Watchman | Maryland |
| 93 | Josephine Reely | 30 | Sister | Trained Nurse | Maryland |
| 94 | John T Gallagher | 62 | Head | Vice President | Maryland |
| 95 | Katherine Gallagher | 54 | Wife | — | Maryland |
| 96 | John Gallagher | 21 | Son | Clerk | Maryland |
| 97 | Joseph Gallagher THIS PERSON | 20 | Son | Collector | Maryland |
| 98 | Monica Gallagher | 18 | Daughter | Clerk | Maryland |
| 99 | Anna Gallagher | 16 | Daughter | Machine Operator | Maryland |
| 100 | Edward Gallagher | 14 | Son | — | Maryland |
Pedigree Summary
Joseph + 4 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 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)