CS
Catherine Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Catherine Smith across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 3-person household.
Age 71
b. ~1859
Female
Head
Born: Massachusetts
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Smith |
| Given Name | Catherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1859 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Mary Smith | Daughter | — | 45 | ~1885 |
| Catherine Smith | Head | — | 71 | ~1859 |
| John Smith | Son | — | 48 | ~1882 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 62
Middlesex, Massachusetts · implied b. ~1858
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Smith |
| Given Name | Catherine C. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Head, age 71
Middlesex, Massachusetts · implied b. ~1859 — 3 household members
| Surname | Smith |
| Given Name | Catherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Other, age 82
Middlesex-County, Massachusetts · implied b. ~1858 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Catherine H. |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Sumter |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Georgia |
| 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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Smith
Head · 1930 · age 71 · b. ~1859 · Massachusetts
★ You are viewing this record
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:massachusettscensus00reel920:0529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hermine Dozois | 74 | Head | — | Canada |
| 2 | Eva Dozois | 50 | Daughter | Machine Girl | Canada |
| 3 | Emilia Dozois | 34 | Daughter | Inspector | Canada |
| 4 | Arthur Benoit | 16 | Son | Odd Boy | Massachusetts |
| 5 | Lillian Benoit | 13 | Daughter | — | Massachusetts |
| 6 | Arthur Guerin | 58 | Head | Health Visitor | Canada |
| 7 | Margaret Guerin | 40 | Wife | — | Massachusetts |
| 8 | Patrick F. Malloy | 36 | Head | Machinist | Massachusetts |
| 9 | Harriet Malloy | 36 | Wife | — | Massachusetts |
| 10 | Robert Malloy | 6 | Son | — | Massachusetts |
| 11 | Mary Malloy | 4 | Daughter | — | Massachusetts |
| 12 | Richard Malloy | 1 | Son | — | Massachusetts |
| 13 | Catherine Smith THIS PERSON | 71 | Head | — | Massachusetts |
| 14 | John J. Smith | 48 | Son | Laborer | Massachusetts |
| 15 | Mary T. Smith | 45 | Daughter | Maid | Massachusetts |
| 16 | Catherine Gillick | 29 | Head | Clerk | Massachusetts |
| 17 | Alice Gillick | 27 | Sister | Binder | Massachusetts |
| 18 | Mary Gillick | 18 | Sister | Stitcher | Massachusetts |
| 19 | Joseph F. Gillick | 16 | Brother | Presser | Massachusetts |
| 20 | William Cloutier | 33 | Head | Sheet Worker | Canada |
| 21 | Alice Cloutier | 36 | Wife | — | Massachusetts |
| 22 | Jeremiah Monahan | 51 | Head | St. Fireman | Ireland |
| 23 | Bridget Monahan | 50 | Wife | — | Ireland |
| 24 | William J. Monahan | 25 | Son | Machinist | Massachusetts |
| 25 | Jeremiah J. Monahan | 23 | Son | Machinist | Massachusetts |
| 26 | James P. Monahan | 22 | Son | Helper | Massachusetts |
| 27 | Daniel P. Monahan | 16 | Son | Messenger | Massachusetts |
| 28 | John G. Monahan | 15 | Son | — | Massachusetts |
| 29 | Mary E. Monahan | 14 | Daughter | Clerk | Massachusetts |
| 30 | Delia C. Monahan | 13 | Daughter | — | Massachusetts |
| 31 | Cornelius T. Monahan | 9 | Son | — | Massachusetts |
| 32 | Rose Guyette | 44 | Wife | — | Canada |
| 33 | Bormidas Guyette | 47 | Head | Edge Trimmer | Canada |
| 34 | Phillip Guyette | 11 | Son | — | Canada |
| 35 | Priscilla Guyette | 6 | Daughter | — | Massachusetts |
| 36 | John J. Sagger | 30 | Head | Laborer | Massachusetts |
| 37 | Alice Sagger | 4 | Daughter | — | Massachusetts |
| 38 | Raymond Sagger | 2 | Son | — | Massachusetts |
| 39 | James Sagger | 1 | Son | — | Massachusetts |
| 40 | Alice Sagger | 31 | Wife | — | Massachusetts |
| 41 | Ann Sagger | 3 | Daughter | — | Massachusetts |
| 42 | Mary M. O'Rourke | 49 | Head | — | Irish Free State |
| 43 | John O'Rourke | 15 | Son | — | Massachusetts |
| 44 | Margaret M. O'Rourke | 13 | Daughter | — | Massachusetts |
| 45 | James J. Mcdonough | 39 | Head | Drayman | Massachusetts |
| 46 | Alice V. H. Mcdonough | 35 | Wife | — | Massachusetts |
| 47 | Mary R. Mcdonough | 9 | Daughter | — | Massachusetts |
| 48 | Elizabeth J. Mcdonough | 6 | Daughter | — | Massachusetts |
| 49 | Patrick Cunningham | 50 | Head | Teamster | Irish Free State |
| 50 | Julia Cunningham | 54 | Wife | — | Irish Free State |
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)