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Catherine Carroll — 1930 US Census Record
Model Tree available1930 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this Catherine Carroll across the 1910, 1920 and 1930 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Lawrence — first a daughter (b.~1905), then head of a 6-person household.
Age 25
b. ~1905
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Pennsylvania |
| Surname | Carroll |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Boiler Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Conshohocken Borough |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Carroll | Head | — | 63 | ~1867 |
| Catherine Cahill | Other | — | 55 | ~1875 |
| Margaret Carroll | Spouse | — | 58 | ~1872 |
| Catherine Carroll | Daughter | — | 25 | ~1905 |
| Anna Cahill | Other | — | 59 | ~1871 |
| Margaret Carroll | Daughter | — | 21 | ~1909 |
Census Appearances
1910
Montgomery, Pennsylvania
Daughter, age 5
Montgomery, Pennsylvania · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montgomery, Pennsylvania
Daughter, age 15
Montgomery, Pennsylvania · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Catherine M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Daughter, age 25
Montgomery, Pennsylvania · implied b. ~1905 — 6 household members
| Surname | Carroll |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Bookkeeper |
| Industry | Boiler Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Carroll across 3 US Census years (1910, 1920 and 1930) in Montgomery, Pennsylvania, using XGBoost record linkage. Identified parents: father James Carroll (~0.92 confidence) and father Lawrence Carroll (~0.92 confidence) and father Lawrence Carroll (~0.92 confidence) and mother Margaret Carroll (~0.92 confidence) and mother Margaret Carroll (~0.92 confidence) and mother Mary Carroll (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Carroll
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Lawrence Carroll
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Lawrence Carroll
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Margaret Carroll
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Margaret Carroll
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Carroll
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Catherine Carroll
Daughter · 1930 · age 25 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Carroll
Sibling · 1930 · 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
1930 US Federal Census — Montgomery, Pennsylvania
Open full size
1930 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2081:0620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laura Minetti | 2 | Daughter | — | Pennsylvania |
| 2 | Rita Minetti | 0 | Daughter | — | Pennsylvania |
| 3 | Piero Simonini | 48 | Head | Chauffeur | Italy |
| 4 | Anna Simonini | 40 | Wife | — | Italy |
| 5 | Edith Simonini | 19 | Daughter | Cigar Maker | Italy |
| 6 | Teresa Simonini | 16 | Daughter | — | Connecticut |
| 7 | Leo Simonini | 11 | Son | — | Connecticut |
| 8 | Esther Simonini | 9 | Daughter | — | Pennsylvania |
| 9 | Gina Simonini | 8 | Daughter | — | Pennsylvania |
| 10 | Domenick Santandrea | 34 | Head | Grinder | Italy |
| 11 | Emma Santandrea | 26 | Wife | — | Italy |
| 12 | Jacob S. Moser | 74 | Head | Contractor | Pennsylvania |
| 13 | Ida Moser | 60 | Wife | — | Pennsylvania |
| 14 | Lawrence Carroll | 63 | Head | Retired | Pennsylvania |
| 15 | Margaret Carroll | 58 | Wife | — | Pennsylvania |
| 16 | Catherine Carroll THIS PERSON | 25 | Daughter | Bookkeeper | Pennsylvania |
| 17 | Margaret Carroll | 21 | Daughter | Clerk | Pennsylvania |
| 18 | Anna Cahill | 59 | Sister-in-law | — | Pennsylvania |
| 19 | Catherine Cahill | 55 | Sister-in-law | Laborer | Pennsylvania |
| 20 | John J. Fogarty | 45 | Head | Merchant | Pennsylvania |
| 21 | Alice A. Fogarty | 38 | Wife | — | Pennsylvania |
| 22 | William Richardson | 64 | Head | Watchman | Maryland |
| 23 | Emma Richardson | 61 | Wife | — | Maryland |
| 24 | William Richardson | 42 | Son | Laborer | Maryland |
| 25 | Carolina Richardson | 29 | Daughter-in-law | Weaver | Pennsylvania |
| 26 | Clarence Richardson | 10 | Grandson | — | Pennsylvania |
| 27 | Jean Richardson | 9 | Granddaughter | — | Pennsylvania |
| 28 | William Kearney | 35 | Head | Clerk | Pennsylvania |
| 29 | Anna Kearney | 33 | Wife | — | Pennsylvania |
| 30 | William Kearney | 11 | Son | — | Pennsylvania |
| 31 | Anna Kearney | 10 | Daughter | — | Pennsylvania |
| 32 | Kathleen Kearney | 8 | Daughter | — | Pennsylvania |
| 33 | Rosella Kearney | 6 | Daughter | — | Pennsylvania |
| 34 | Catherine Hurley | 68 | Aunt | — | Irish Free State |
| 35 | Mary Dempsey | 63 | Head | Housekeeper | Pennsylvania |
| 36 | John Dempsey | 70 | Brother | Retired | Pennsylvania |
| 37 | John Cassidy | 35 | Nephew | Die Maker | Pennsylvania |
| 38 | Paul Cassidy | 33 | Nephew | Laborer | Pennsylvania |
| 39 | Mary Watson | 32 | Boarder | Saleslady | Pennsylvania |
| 40 | Patrick Mcmullen | 54 | Head | Retired | Ireland |
| 41 | James Mcmullen | 26 | Son | Gas Welder | England |
| 42 | Francis Mcmullen | 23 | Son | Laborer | Pennsylvania |
| 43 | Lawrence Mcmullen | 17 | Son | Laborer | Pennsylvania |
| 44 | Mary Tompkins | 33 | Daughter | — | England |
| 45 | John Tompkins | 8 | Grandson | — | Pennsylvania |
| 46 | Mary Tompkins | 7 | Granddaughter | — | Pennsylvania |
| 47 | John H. Bollo | 35 | Head | Purchasing Agt. | Pennsylvania |
| 48 | Mary E. Bollo | 34 | Wife | — | Pennsylvania |
| 49 | Mary E. Bollo | 9 | Daughter | — | Pennsylvania |
| 50 | Catherine A. Bollo | 6 | Daughter | — | Pennsylvania |
Pedigree Summary
Catherine + 1 sibling
Gen 1 · 6 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)