HC
Harry Cook — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Harry Cook across the 1900 and 1910 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1881), then head of a 8-person household.
Age 19
b. ~1881
Male
Son
Born: Massachusetts
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Middlesex, Massachusetts |
| Surname | Cook |
| Given Name | Harry S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Apr |
| Birth Year | 1881 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Expressman |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Expressman |
| Township / Ward | Everett City |
| Est. Birth Year | ~1881 |
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 1900 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| James Cook | Head | — | 55 | ~1845 |
| Charles Cook | Son | — | 26 | ~1874 |
| Mabel Cook | Daughter | — | 18 | ~1882 |
| Harry Cook | Son | — | 19 | ~1881 |
| Walter Cook | Son | — | 15 | ~1885 |
| John Cook | Son | — | 11 | ~1889 |
| Edward Cook | Son | — | 23 | ~1877 |
| Mary Cook | Spouse | — | 54 | ~1846 |
Census Appearances
1900
Middlesex, Massachusetts
Son, age 19
Middlesex, Massachusetts · implied b. ~1881 — 8 household members
| Surname | Cook |
| Given Name | Harry S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Apr |
| Birth Year | 1881 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Expressman |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Son, age 30
Middlesex, Massachusetts · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teamster |
| Industry | General |
| 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 Harry Cook across 2 US Census years (1900 and 1910) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Cook
Son · 1900 · age 19 · b. ~1881 · Massachusetts
★ You are viewing this record
Sibling
John Cook
Sibling · 1900 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Cook
Sibling · 1900 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Cook
Sibling · 1900 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Cook
Sibling · 1900 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cook
Sibling · 1900 · age 26
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
1900 US Federal Census — Middlesex, Massachusetts
Open full size
1900 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu658unit:0613)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Payne | 31 | Head | Clerk | Canada (Eng) |
| 2 | Lizzie Payne | 26 | Wife | — | Massachusetts |
| 3 | Joseph Payne | 1 | Daughter | — | Massachusetts |
| 4 | William Murphy | 51 | Head | Music-Clerk | Massachusetts |
| 5 | Mary Murphy | 44 | Wife | — | Massachusetts |
| 6 | Herbert Murphy | 18 | Son | Drug Clerk | Massachusetts |
| 7 | Nettie M Murphy | 22 | Daughter | Clerk Dry Goods | Massachusetts |
| 8 | Mary Scannell | 41 | Servant | Servant | Massachusetts |
| 9 | James Cook | 55 | Head | Oyster Opener | Massachusetts |
| 10 | Mary Cook | 53 | Wife | — | Massachusetts |
| 11 | Charles A Cook | 25 | Son | Expressman | Massachusetts |
| 12 | Edward E Cook | 23 | Son | Expressman | Massachusetts |
| 13 | Harry S Cook THIS PERSON | 19 | Son | Expressman | Massachusetts |
| 14 | Mabel Cook | 17 | Daughter | — | Massachusetts |
| 15 | Walter Cook | 14 | Son | At School | Massachusetts |
| 16 | John Cook | 10 | Son | At School | Massachusetts |
| 17 | Gilbert Rowe | 35 | Head | Dealer Real Estate | Maine |
| 18 | Ida M Rowe | 26 | Wife | — | New York |
| 19 | Alfred Rowe | 10 | Son | At School | Massachusetts |
| 20 | Mildred Rowe | 7 | Daughter | At School | Massachusetts |
| 21 | Pearl E Rowe | 4 | Daughter | — | Massachusetts |
| 22 | Ira L Rowe | 2 | Daughter | — | Massachusetts |
| 23 | James Doherty | 57 | Step-Father | Tinsmith | Canada (Eng) |
| 24 | Isabella V Doherty | 50 | Mother-in-law | — | New York |
| 25 | Isaac Babbitt | 58 | Boarder | Sta. Engineer | Massachusetts |
| 26 | Thomas Hackett | 57 | Boarder | Roofer | Massachusetts |
| 27 | John H Kennedy | 29 | Boarder | Plumber | Massachusetts |
| 28 | Robert Wright | 29 | Boarder | Life Ins. Agt. | Canada |
| 29 | Terrance Caldwell | 56 | Boarder | Carpenter | Canada (Eng) |
| 30 | Francis Peterson | 34 | Boarder | Painter | Denmark |
| 31 | Hiram Fox | 28 | Boarder | Waiter | Massachusetts |
| 32 | George J David | 65 | Head | Importing Agt. | France |
| 33 | Alphonsine David | 57 | Wife | — | France |
| 34 | Bertha David | 16 | Daughter | Music Teacher | France |
| 35 | Walter H Harding | 26 | Head | Physician | Maine |
| 36 | Susie M Harding | 25 | Wife | — | Maine |
| 37 | Albert H Moran | 49 | Head | Tinsmith | Massachusetts |
| 38 | Jennie S Moran | 30 | Wife | — | Rhode Island |
| 39 | Charles E Moran | 7 | Son | At School | Rhode Island |
| 40 | Mildred M Moran | 6 | Daughter | At School | Rhode Island |
| 41 | Albert E Moran | 4 | Son | — | Rhode Island |
| 42 | William F Brooks | 36 | Head | Shipper | Massachusetts |
| 43 | Lizzie Brooks | 35 | Wife | — | Massachusetts |
| 44 | Benjamin Brooks | 15 | Son | At School | Massachusetts |
| 45 | Alice E Brooks | 13 | Son | At School | Massachusetts |
| 46 | Harold N Brooks | 9 | Son | At School | Massachusetts |
| 47 | William Brooks | 3 | Son | — | Massachusetts |
| 48 | Hans Hansen | 31 | Head | — | Denmark |
| 49 | Lizzie Hansen | 31 | Wife | — | Canada (Eng) |
| 50 | William Hansen | 1 | Son | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)