CD
Charles Duncan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Merrimack, New Hampshire
Our Model Tree links this Charles Duncan across the 1910, 1920 and 1930 US Censuses in Merrimack, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 5-person household.
Age 58
b. ~1872
Male
Head
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Merrimack, New Hampshire |
| Surname | Duncan |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 30 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Secretary |
| Industry | State Board Health |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6500 |
| Radio Set | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Concord City |
| Est. Birth Year | ~1872 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charlotte Duncan | Spouse | — | 55 | ~1875 |
| Charles Duncan | Head | — | 58 | ~1872 |
| Lawrence Duncan | Son | — | 23 | ~1907 |
| Margaret Duncan | Daughter | — | 17 | ~1913 |
| Eleanor Duncan | Daughter | — | 21 | ~1909 |
Census Appearances
1910
Merrimack, New …
Head, age 38
Merrimack, New Hampshire · implied b. ~1872 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 5 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Physician |
| Industry | State Board Health |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Merrimack, New …
Head, age 47
Merrimack, New Hampshire · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Bacteriologist |
| Industry | State House |
| Class of Worker | W |
| 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
Merrimack, New …
Head, age 58
Merrimack, New Hampshire · implied b. ~1872 — 5 household members
| Surname | Duncan |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 30 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Secretary |
| Industry | State Board Health |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6500 |
| Radio Set | 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 Charles Duncan across 3 US Census years (1910, 1920 and 1930) in Merrimack, New Hampshire, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Duncan
Head · 1930 · age 58 · b. ~1872 · New Hampshire
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Merrimack, New Hampshire
Open full size
1930 US Federal Census — Merrimack, New Hampshire
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1304unit:0817)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert D Murphy | 1 | Son | — | Maine |
| 2 | Eva J Murphy | 0 | Daughter | — | New Hampshire |
| 3 | Alice Morgan | 32 | Head | — | Canada-French |
| 4 | Edward O Morgan | 17 | Son | — | New Hampshire |
| 5 | Richard J Morgan | 3 | Son | — | New Hampshire |
| 6 | Oscar Melvin | 41 | Boarder | Store Keeper | Armenia |
| 7 | Eveline Morgan | 29 | Sister-in-law | Carder | New Hampshire |
| 8 | John H Brown | 79 | Head | — | New Hampshire |
| 9 | Marietta S Brown | 80 | Wife | — | New Hampshire |
| 10 | Edward C Lyons | 53 | Head | Order Clerk | New Hampshire |
| 11 | Belle Lyons | 43 | Wife | — | Maine |
| 12 | Lloyd E Perkins | 26 | Head | Salesman | New Hampshire |
| 13 | Maure P Perkins | 26 | Wife | — | Maine |
| 14 | John J Bartlett | 74 | Head | President | New Hampshire |
| 15 | Carrie P Bartlett | 70 | Wife | — | New Hampshire |
| 16 | Richard B Porter | 55 | Head | Buyer | Massachusetts |
| 17 | Carrie F Porter | 58 | Wife | — | Massachusetts |
| 18 | Charles Duncan THIS PERSON | 58 | Head | Secretary | Massachusetts |
| 19 | Charlotte I Duncan | 55 | Wife | — | Massachusetts |
| 20 | Lawrence S Duncan | 23 | Son | — | New Hampshire |
| 21 | Eleanor Duncan | 21 | Daughter | — | New Hampshire |
| 22 | Margaret Duncan | 17 | Daughter | — | New Hampshire |
| 23 | Ernest L Converse | 46 | Head | Supt | New Hampshire |
| 24 | Evelyn E Converse | 34 | Wife | — | New Hampshire |
| 25 | Paul E Converse | 8 | Son | — | Maine |
| 26 | Elizabeth E Converse | 5 | Daughter | — | New Hampshire |
| 27 | Philip E Converse | 1 | Son | — | New Hampshire |
| 28 | Hester A Bartlett | 30 | Head | Clerk | New Hampshire |
| 29 | Thelma G Bartlett | 28 | Wife | — | New Hampshire |
| 30 | Hester Ruth Bartlett | 6 | Daughter | — | New Hampshire |
| 31 | Russell A Bartlett | 3 | Son | — | New Hampshire |
| 32 | George F Bemis | 55 | Head | Janitor | Massachusetts |
| 33 | Mabel A Bemis | 63 | Wife | — | Canada-English |
| 34 | Mildred A Bemis | 21 | Niece | Dipper | Canada-English |
| 35 | John Dunstone | 52 | Head | Rural Del. | New Hampshire |
| 36 | Anna J Dunstone | 49 | Wife | — | Vermont |
| 37 | Barbara Dunstone | 6 | Granddaughter | — | New Hampshire |
| 38 | Nellie L Barbour | 55 | Head | — | Vermont |
| 39 | George E Barbour | 20 | Son | Clerk | Vermont |
| 40 | Ina E Barbour | 17 | Daughter | — | Vermont |
| 41 | Howard E Copp | 30 | Head | Truck Driver | New Hampshire |
| 42 | Thelma H Copp | 22 | Wife | — | New Hampshire |
| 43 | Howard E Jr Copp | 4 | Son | — | New Hampshire |
| 44 | E. Frank Copp | 68 | Father | — | New Hampshire |
| 45 | George Couturier | 36 | Head | Laborer | New Hampshire |
| 46 | Irene Couturier | 28 | Wife | — | New Hampshire |
| 47 | Leo Couturier | 6 | Son | — | New Hampshire |
| 48 | Charles G Veilleux | 36 | Head | Repairer | Canada-French |
| 49 | Edwina Veilleux | 31 | Wife | — | Canada-French |
| 50 | Fernand Veilleux | 7 | Daughter | — | New Hampshire |
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)