CM
Catherine Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Catherine Martin across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 8-person household.
Age 18
b. ~1902
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Martin |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Welding Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stenographer |
| Township / Ward | Waltham City |
| Est. Birth Year | ~1902 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Catherine Martin | Daughter | — | 18 | ~1902 |
| Margaret Martin | Daughter | — | 16 | ~1904 |
| Margaret Martin | Spouse | — | 50 | ~1870 |
| Nellie Martin | Daughter | — | 22 | ~1898 |
| Mary Martin | Daughter | — | 14 | ~1906 |
| John Martin | Son | — | 12 | ~1908 |
| Frederick Martin | Head | — | 52 | ~1868 |
| James Martin | Son | — | 20 | ~1900 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 8
Middlesex, Massachusetts · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 18
Middlesex, Massachusetts · implied b. ~1902 — 8 household members
| Surname | Martin |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Stenographer |
| Industry | Welding Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Martin across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Martin
Daughter · 1920 · age 18 · b. ~1902 · Massachusetts
★ You are viewing this record
Sibling
Nellie Martin
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Martin
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Martin
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Martin
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Martin
Sibling · 1920 · 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
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu719unit:0801)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John M Mcdonald | 22 | Cousin | Asst. Printer | Massachusetts |
| 52 | Stephen Pickell | 43 | Head | Buffer | Maine |
| 53 | Mary E. Pickell | 45 | Wife | — | Massachusetts |
| 54 | Sherman Pickell | 5 | Son | — | Massachusetts |
| 55 | Catherine Kenney | 72 | Mother-in-law | — | Ireland |
| 56 | James Kenney | 14 | Boarder | — | Massachusetts |
| 57 | Edna Kenney | 9 | Boarder | — | Massachusetts |
| 58 | Thomas H Connolly | 53 | Head | Finisher | Massachusetts |
| 59 | Mary Connolly | 48 | Wife | — | Massachusetts |
| 60 | Mary Connolly | 24 | Daughter | Lady | Massachusetts |
| 61 | Frederick Martin | 52 | Head | Machine Repair | Ireland |
| 62 | Margaret Martin | 50 | Wife | — | Ireland |
| 63 | Nellie Martin | 22 | Daughter | Stenographer | Massachusetts |
| 64 | James Martin | 20 | Son | Machinist | Massachusetts |
| 65 | Catherine Martin THIS PERSON | 18 | Daughter | Stenographer | Massachusetts |
| 66 | Margaret Martin | 16 | Daughter | — | Massachusetts |
| 67 | Mary Martin | 14 | Daughter | — | Massachusetts |
| 68 | John Martin | 12 | Son | — | Massachusetts |
| 69 | Ellen M Ryan | 58 | Head | — | Ireland |
| 70 | Mary Ryan | 28 | Daughter | Dial Painter | Massachusetts |
| 71 | Elizabeth Ryan | 22 | Daughter | Tightener | Massachusetts |
| 72 | John Ryan | 20 | Son | Laborer | Massachusetts |
| 73 | Agnes Ryan | 16 | Daughter | Operator | Massachusetts |
| 74 | James Fitzpatrick | 47 | Head | Foreman | Ireland |
| 75 | Catherine Fitzpatrick | 40 | Wife | — | Massachusetts |
| 76 | Francis Fitzpatrick | 19 | Son | Machinist | Massachusetts |
| 77 | Richard Fitzpatrick | 13 | Son | — | Massachusetts |
| 78 | Joseph Fitzpatrick | 11 | Son | — | Massachusetts |
| 79 | Catherine Fitzpatrick | 9 | Daughter | — | Massachusetts |
| 80 | James Jr Fitzpatrick | 5 | Son | — | Massachusetts |
| 81 | Vincent Fitzpatrick | 2 | Son | — | Massachusetts |
| 82 | Michael Tracey | 47 | Head | Stableman | Massachusetts |
| 83 | Alice F Tracey | 37 | Wife | — | Massachusetts |
| 84 | Barbara Tracey | 3 | Daughter | — | Massachusetts |
| 85 | Rosalie Tracey | 2 | Daughter | — | Massachusetts |
| 86 | Paul M. Tracey | 1 | Son | — | Massachusetts |
| 87 | Walter Walker | 47 | Head | Finisher | Rhode Island |
| 88 | Emma Walker | 45 | Wife | — | Rhode Island |
| 89 | Nicholas Curran | 49 | Head | Weaver | Ireland |
| 90 | Mary Curran | 40 | Wife | Laundress | Ireland |
| 91 | Meloda Curran | 17 | Daughter | Office Girl | Illinois |
| 92 | Thomas O'Hara | 50 | Head | Attendant | Ireland |
| 93 | Nora O'Hara | 50 | Wife | — | Ireland |
| 94 | Thomas Jr. O'Hara | 23 | Son | Milk Man | Massachusetts |
| 95 | Henry O'Hara | 21 | Son | Folder | Massachusetts |
| 96 | Teresa O'Hara | 18 | Daughter | Spinner | Massachusetts |
| 97 | John O'Hara | 16 | Son | Book Binding | Massachusetts |
| 98 | Walter O'Hara | 14 | Son | — | Massachusetts |
| 99 | Francis O'Hara | 13 | Son | — | Massachusetts |
| 100 | Joseph O'Hara | 11 | Son | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)