
John Boase, of Castle Horneck
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Name John Boase Suffix of Castle Horneck Birth 19 Dec 1771 Penzance, Cornwall
Christening 24 Feb 1772 Gender Male Married 13 Aug 1810 (38 years) Stonehouse, Plymouth
m. at Stonehouse (m. by Rev. Dr. Bidlake) 13 Aug, 1810 Susanna 3rd d. of Thomas
Field of Stonehouse, and had by her two sons and two daughtersResidence 28 Nov 1826 (54 years) Castle Horneck, Penzance
ROSECADGHILL HOUSE,
NEAR PENZANCE.
TO BE LET FURNISHED this pleasantly
situated DWELLING HOUSE, within
one mile of the Town of Penzance, seated on
a gentle elevation, and commanding interesting
views of the Mount’s Bay, St. Michael ‘s Mount,
and the country around.
The House contains two Parlours, Drawing
room, seven Bed Rooms, and Dressing Room;
Kitchens, Pantries, and other convenient offices;
with a Coach House, Stables, excellent Walled
and Kitchen Gardens, Pleasure Ground and
Shrubbery, well adapted for the comfortable
accommodation of a respectable family.
For particulars apply to Mr. John Boase
Castle-Horneck, near Penzance.
28th November, 1826.
Royal Cornwall Gazette - Saturday 16 December 1826Residence 14 Feb 1830 (58 years) Castle Horneck, Penzance
Death of Mary Residence 12 Sep 1833 (61 years) Castle Horneck, Penzance
Death of Emily Death 24 Mar 1836 (64 years) Castle Horneck, Penzance
Yesterday [24 Mar 1836] John Boase, 61 of Penzance, Castle Horneck; report 25 Mar 1836 West Briton
John BOASE, esq. 64; 25th March, after a long illness; Castle Horneck, near Penzance;
Burials database
Day Month 01-Apr
Year 1836
Parish Circuit Or Chapel Royal Cornwall Gazette
Forename John
Surname BOASE, esq.
Age 64
Residence Castle Horneck, near Penzance
Notes 25th March, after a long illness
Transcriber Notes
Transcriber Susan ToulsonDeath 24 Mar 1836 Residence I9334 (756 years) Castle Horneck, Penzance
Nobility, Gentry & Clergy;
BORLASE, Samuel Esq Castle Horneck
BOASE, John Gent Castle Horneck
Miscellaneous Records Index database
Day Month
Year 1830
Record Type Directory
Location Castle Horneck
Forename Samuel
Surname BORLASE Esq
Notes
Transcription Click here for full text https://www.opc-cornwall.org/Structure/index_files/Pigot_1830_Penzance_Marazion_etc.pdf
Transcriber John EvansPerson ID I14205 AHP Last Modified 22 Sep 2025
Father Francis Boase, b. 6 Jan 1728-9 bur. 10 Feb 1799 (Age ~ 179 years) Relationship Birth Mother Grace Dennis/BOASE d. 24 Oct 1779 Relationship Birth Marriage 27 Apr 1767 Penzance, Cornwall
[1] Age at Marriage He : 1758 years and 3 months - She : ??. Family ID F4047 Group Sheet | Family Chart
Family Susanna Field/BOASE, 3rdd Thomas Field of Stonehouse, b. Abt 1785 [1] Marriage 13 Aug 1810 Stonehouse, Plymouth
Age at Marriage He : 38 years and 8 months - She : ~ 25 years and 8 months. Children 1. John Boase, b. 19 June 1817 d. Nov 1852 (Age 35 years) [Father: Birth] [Mother: Birth] 2. Francis Boase, b. 8 Feb 1819 [Father: Birth] [Mother: Birth] 3. Susan Elizabeth Field Boase/GRUZELIER, b. 26 Feb 1812 [Father: Birth] [Mother: Birth] 4. Mary Boase, b. 14 Feb 1814 d. 14 Feb 1830, Castle Horneck, Penzance
(Age 16 years) [Father: Birth] [Mother: Birth]5. Emily Boase, b. 23 Oct 1815 d. 12 Sep 1833, Castle Horneck, Penzance
(Age 17 years) [Father: Birth] [Mother: Birth]Family ID F4048 Group Sheet | Family Chart Last Modified 22 Sep 2025
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Event Map 
Birth - 19 Dec 1771 - Penzance, Cornwall 


Residence - ROSECADGHILL HOUSE, NEAR PENZANCE. TO BE LET FURNISHED this pleasantly situated DWELLING HOUSE, within one mile of the Town of Penzance, seated on a gentle elevation, and commanding interesting views of the Mount’s Bay, St. Michael ‘s Mount, and the country around. The House contains two Parlours, Drawing room, seven Bed Rooms, and Dressing Room; Kitchens, Pantries, and other convenient offices; with a Coach House, Stables, excellent Walled and Kitchen Gardens, Pleasure Ground and Shrubbery, well adapted for the comfortable accommodation of a respectable family. For particulars apply to Mr. John Boase Castle-Horneck, near Penzance. 28th November, 1826. Royal Cornwall Gazette - Saturday 16 December 1826 - 28 Nov 1826 - Castle Horneck, Penzance 


Residence - Death of Mary - 14 Feb 1830 - Castle Horneck, Penzance 


Residence - Death of Emily - 12 Sep 1833 - Castle Horneck, Penzance 


Death - Yesterday [24 Mar 1836] John Boase, 61 of Penzance, Castle Horneck; report 25 Mar 1836 West Briton John BOASE, esq. 64; 25th March, after a long illness; Castle Horneck, near Penzance; Burials database Day Month 01-Apr Year 1836 Parish Circuit Or Chapel Royal Cornwall Gazette Forename John Surname BOASE, esq. Age 64 Residence Castle Horneck, near Penzance Notes 25th March, after a long illness Transcriber Notes Transcriber Susan Toulson - 24 Mar 1836 - Castle Horneck, Penzance 


Residence - Nobility, Gentry & Clergy; BORLASE, Samuel Esq Castle Horneck BOASE, John Gent Castle Horneck Miscellaneous Records Index database Day Month Year 1830 Record Type Directory Location Castle Horneck Forename Samuel Surname BORLASE Esq Notes Transcription Click here for full text https://www.opc-cornwall.org/Structure/index_files/Pigot_1830_Penzance_Marazion_etc.pdf Transcriber John Evans - I9334 - Castle Horneck, Penzance 

= Link to Google Earth Pin Legend
: Address
: Location
: City/Town
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: Country
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Histories 
ROSECADGHILL HOUSE, NEAR PENZANCE; TO BE LET FURNISHED | 16 Dec 1826
Rosecadghill, Roscadghill House, Heamoor, Madron, Cornwall
Royal Cornwall Gazette - Saturday 16 December 1826
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Sources - [S219] Account of the families of Boase or Bowes - Histories of ..., 21.
(6) Francis, bap. || 6 Jan. 172$, bur. || 10 Feb. 1799 ; will
17 Jan. 1797, witn. William Thomas, Hester Boase, Hanni-
bal Johns Boase, proved 9 Ap. 1799: he m. t 21 Apl. (or
27 Apl.) 1767 Grace Dennis, 'both of Penzance,' (witn.
Catherine and Mar)' Dennis), bur. || 24 Oct. 1779, and had
by her Francis, John, Peter Dennis, Grace Dennis, Mary,
Catherine— all of whom are named in the will.
1 Francis, b. 27 Mch. 1769.
2 John of Castlehorneck, b. 19 Dec. 1771, bap.|| 24 Feb.
1772, d. 24 Mch. 1836, m. at Stonehouse (m. by Rev.
Dr. Bidlake) 13 Aug, 1810 Susanna 3rd d. of Thomas
Field of Stonehouse, and had by her
i John b. 19 June 1817, d. Nov. 1852.
ii Francis b. 8 Feb. 1819. Educated at University
college, m.b.c.s England, 1841, l.s.a. 1842 ; District
Medical Officer of the Penzance Union, Mayor of
Penzance 1868 and 1871, Captain of the First Duke
of Cornwall Rifles. Resides at Buriton house,
Alverton, Penzance ; m. Paul, 19 May 1852 Mar-
garet second dau. of Philip Marrack, banker, Pen-
zance.
i Susan Elizabeth Field b. 26 Feb. 1812, and bapt. ||
26 May, m. 1836 Frederick John Gruzelier, now
(Mch. 1876) retired staff commander r.n.
ii Mary b. 14 Feb, 1814, and bapt. 7 Mch. d. 14 Feb.
1S30.
iii Emily b. 23 Oct. 1815, d. Sep. 1833.
3 Peter Dennis, b. 22 Feb. 1775 bap. 10 June 1776.
1 Grace Dennis, b. 27 Mch. 1770, bap. || 3 Dec. 1770,
m. f 18 Nov. 1795 Thomas Broad jun. of Penzance,
by licence, witn. Francis Boase, Thomas Broad.
2 Mary, b. 9 Apl. 1773, bap. || 28 June 1773.
3 Catherine b. 22 July 1776, m. (? 1802) Thomas
Field of Stonehouse and Marazion, and had by him
Hannah, b. 1803, bap. 1808 ; Mary Boase, b. 14 Jan.
1804, bap. 12 Aug. 1808 ; Eliza, b. 1805, bap. 1808 ;
Jane, b. 1807, bap. 1808
https://deriv.nls.uk/dcn23/9544/95441738.23.pdf
- [S219] Account of the families of Boase or Bowes - Histories of ..., 21.

