PS
Patrick Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Patrick Smith across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.
Age 11
b. ~1919
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Smith |
| Given Name | Patrick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | City Of Lowell |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Patrick | Age | Birth yr |
|---|---|---|---|---|
| Thomas Smith | Son | — | 8 | ~1922 |
| Philip Smith | Son | — | 5 | ~1925 |
| Philip Smith | Head | — | 51 | ~1879 |
| William Smith | Son | — | 3 | ~1927 |
| Patrick Smith | Son | — | 11 | ~1919 |
| Sarah Smith | Spouse | — | 47 | ~1883 |
| Edward Smith | Son | — | 1 | ~1929 |
| Mary Smith | Daughter | — | 1 | ~1929 |
| Joseph Smith | Son | — | 7 | ~1923 |
| James Smith | Son | — | 9 | ~1921 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1919 — 48 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Patrick |
| 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 |
1930
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1919 — 10 household members
| Surname | Smith |
| Given Name | Patrick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| 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 Patrick Smith across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Patrick Smith
Son · 1930 · age 11 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Joseph Smith
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Smith
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Smith
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Smith
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Smith
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Smith
Sibling · 1930 · age 9
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:massachusettscensus00reel920:0212)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret M Sullivan | 12 | Daughter | — | Massachusetts |
| 52 | Rita G Sullivan | 10 | Daughter | — | Massachusetts |
| 53 | John J Sullivan | 70 | Brother | — | Massachusetts |
| 54 | James H Sullivan | 67 | Brother | — | Massachusetts |
| 55 | Katherine M Sullivan | 50 | Sister | — | Massachusetts |
| 56 | Julia S Sullivan | 68 | Cousin | — | Massachusetts |
| 57 | Harry J Mardo | 35 | Head | Tailor | Armenia |
| 58 | Alice H Mardo | 32 | Wife | — | Armenia |
| 59 | Mary Mardo | 12 | Daughter | — | Massachusetts |
| 60 | Edward Mardo | 11 | Son | — | Massachusetts |
| 61 | Julia Belanger | 44 | Head | Weaver | Massachusetts |
| 62 | Florence Belanger | 21 | Daughter | — | Massachusetts |
| 63 | Charles O Lambert | 46 | Boarder | Folder-Up | Massachusetts |
| 64 | Blanche C Lambert | 21 | Boarder | Spooler | Massachusetts |
| 65 | Roland W Lambert | 17 | Boarder | Bobbin-Boy | Massachusetts |
| 66 | Charles F Bennett | 67 | Head | — | Canada French |
| 67 | Mary G Bennett | 43 | Wife | — | Massachusetts |
| 68 | Joseph C Bennett | 12 | Son | — | Massachusetts |
| 69 | Albert E Bennett | 11 | Son | — | Massachusetts |
| 70 | Agnes S Bennett | 9 | Daughter | — | Massachusetts |
| 71 | Francis R Heninger | 77 | Head | — | Canada English |
| 72 | Ella C Heninger | 58 | Wife | Clerk | Massachusetts |
| 73 | Albert West | 30 | Head | — | Maine |
| 74 | George P Brown | 54 | Head | Gardener | New York |
| 75 | Sarah E Brown | 53 | Wife | — | Massachusetts |
| 76 | Bridget A Haggerty | 63 | Head | — | Maine |
| 77 | Helen G Haggerty | 30 | Daughter | Stenographer | Massachusetts |
| 78 | Mary F Haggerty | 26 | Daughter | Stenographer | Massachusetts |
| 79 | Andrew J Haggerty | 37 | Head | Accountant | Massachusetts |
| 80 | Anna M Haggerty | 31 | Wife | — | Massachusetts |
| 81 | Francis J Jr Haggerty | 9 | Son | — | Massachusetts |
| 82 | Helen Haggerty | 7 | Daughter | — | Massachusetts |
| 83 | Alice H Haggerty | 5 | Daughter | — | Massachusetts |
| 84 | William H Haggerty | 5 | Son | — | Massachusetts |
| 85 | William F Hillier | 45 | Head | Chauffeur | England |
| 86 | Katherine C Hillier | 40 | Wife | — | Massachusetts |
| 87 | William F Jr Hillier | 12 | Son | — | Massachusetts |
| 88 | Philip J Smith | 51 | Head | Kettleman | Massachusetts |
| 89 | Sarah J Smith | 47 | Wife | — | Massachusetts |
| 90 | Patrick Smith THIS PERSON | 11 | Son | — | Massachusetts |
| 91 | James Smith | 9 | Son | — | Massachusetts |
| 92 | Thomas Smith | 8 | Son | — | Massachusetts |
| 93 | Joseph Smith | 7 | Son | — | Massachusetts |
| 94 | Philip Smith | 5 | Son | — | Massachusetts |
| 95 | William Smith | 3 | Son | — | Massachusetts |
| 96 | Mary Smith | 1 | Daughter | — | Massachusetts |
| 97 | Edward Smith | 1 | Son | — | Massachusetts |
| 98 | Richard M Belair | 51 | Head | — | Canada French |
| 99 | Jessie M Belair | 51 | Wife | — | Canada English |
| 100 | William G Pepin | 34 | Head | Dentist | Massachusetts |
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)