RM
Robert Mclean — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Robert Mclean across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1850), then head of a 3-person household.
Age 70
b. ~1850
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | McLean |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1879 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Janitor |
| Industry | Candy factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1885 |
| Birthplace (normalized) | ireland |
| Occupation | Janitor |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1850 |
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 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mclean | Spouse | — | 66 | ~1854 |
| Elizabeth Dolphin | Daughter | — | 34 | ~1886 |
| Robert Mclean | Head | — | 70 | ~1850 |
Census Appearances
1900
Middlesex, Massachusetts
Head, age 49
Middlesex, Massachusetts · implied b. ~1851 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Mch |
| Birth Year | 1851 |
| Year of Immigration | 1880 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Boiler Maker |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Head, age 59
Middlesex, Massachusetts · implied b. ~1851 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 6 |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Keeper |
| Industry | Grocery |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Head, age 70
Middlesex, Massachusetts · implied b. ~1850 — 3 household members
| Surname | McLean |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1879 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Janitor |
| Industry | Candy factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1885 |
| Birthplace (normalized) | ireland |
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 Robert Mclean across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Robert Mclean
Head · 1920 · age 70 · b. ~1850 · Massachusetts
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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:1920:14thcensusofpopu707unit:1033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Michael J Hickey | 47 | Head | Motorman | Ireland |
| 52 | Agnes Hickey | 36 | Wife | None | Ireland |
| 53 | Susan Hickey | 17 | Daughter | Machine Operator | Massachusetts |
| 54 | Mary Hickey | 17 | Daughter | Machine Operator | Massachusetts |
| 55 | Amelia Hickey | 16 | Daughter | Machine Operator | Massachusetts |
| 56 | William Hickey | 14 | Son | None | Massachusetts |
| 57 | Henry Hickey | 0 | Son | None | Massachusetts |
| 58 | Martin J Cornearney | 30 | Head | Tube Worker | Ireland |
| 59 | Margaret Cornearney | 28 | Wife | None | Massachusetts |
| 60 | Lawrence Cornearney | 5 | Son | None | Massachusetts |
| 61 | Martin Cornearney | 3 | Son | None | Massachusetts |
| 62 | Elizabeth Cornearney | 1 | Daughter | None | Massachusetts |
| 63 | John Cornearney | 0 | Son | None | Massachusetts |
| 64 | Joseph J Powers | 36 | Head | Printer | Canada |
| 65 | Mary E Powers | 33 | Wife | None | Massachusetts |
| 66 | Joseph S Powers | 11 | Son | None | Massachusetts |
| 67 | Walter E Powers | 9 | Son | None | Massachusetts |
| 68 | James J Kenney | 63 | Head | Cooper | Canada |
| 69 | Mary J Kenney | 62 | Wife | None | Canada |
| 70 | Florance H Tasker | 62 | Head | Retail Merchant | Maine |
| 71 | Jennie M Tasker | 31 | Wife | None | Ireland |
| 72 | Patrick Hare | 48 | Head | Laborer | Ireland |
| 73 | Nora Hare | 47 | Wife | None | Ireland |
| 74 | Mary Hare | 20 | Daughter | Telephone Operator | Massachusetts |
| 75 | Agnes Hare | 18 | Daughter | Telephone Operator | Massachusetts |
| 76 | John Hare | 15 | Son | Delivery Boy | Massachusetts |
| 77 | Joseph Hare | 12 | Son | None | Massachusetts |
| 78 | Annie Masters | 46 | Sister in law | None | Ireland |
| 79 | Robert Mclean THIS PERSON | 70 | Head | Janitor | Ireland |
| 80 | Margaret Mclean | 66 | Wife | None | Illinois |
| 81 | Elizabeth Dolphin | 34 | Daughter | Bookkeeper | Illinois |
| 82 | John Williams | 56 | Head | Conductor | Portugal |
| 83 | Mary Williams | 41 | Wife | Saleslady | Portugal |
| 84 | Eva Williams | 23 | Daughter | Cook | Massachusetts |
| 85 | Alphonse Williams | 16 | Son | None | Massachusetts |
| 86 | Lucy Williams | 14 | Daughter | None | Massachusetts |
| 87 | Paul Williams | 12 | Son | None | Massachusetts |
| 88 | Eugene O'Neill | 28 | Head | Fireman | Ireland |
| 89 | Annie O'Neill | 28 | Wife | None | Ireland |
| 90 | Eugene O'Neill | 1 | Son | None | Massachusetts |
| 91 | John Good | 45 | Head | Iron Cutter | Ireland |
| 92 | Mary Good | 48 | Wife | None | Ireland |
| 93 | James Good | 25 | Son | Shipper | Massachusetts |
| 94 | Mary A Good | 21 | Daughter | Box Maker | Massachusetts |
| 95 | Katherine Good | 20 | Daughter | Box Maker | Massachusetts |
| 96 | John Good | 16 | Son | Chauffeur | Massachusetts |
| 97 | Teresa Good | 12 | Daughter | None | Massachusetts |
| 98 | Frances Good | 9 | Daughter | None | Massachusetts |
| 99 | Lillian Good | 7 | Daughter | None | Massachusetts |
| 100 | Eugene Donahue | 29 | Head | Packer | Ireland |
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)