John Cassell ~1800-1844
Painter. Born Hampshire, likely Cowes, marries for the 1st time there, then moves over the water to Portsea. Dies young
~1800 John Cassell is born Hampshire, maybe Portsea. Father James Cassell, gardener. Could have been baptised 6/5/1797, St Marys Cowes as John Castle to James & Elizabeth Castle - Ancestry. & this James Casell marries Elizabeth Grimsey on 4/9/1796 Northwood , I of W - FMP
Neither James nor Elizabeth Cassell would appear to be alive still by 1841C.
1823 . John Cassell marries Frances Barnes 12/5/1823 Northwood - this the I of W , near Cowes - Hampshire and has children: Frances S 1828, Eliza J 1831, John 1833 & Charles 1835 - they all born Portsea, so thought maybe he was from Portsea,with wife Frances from the I of W, but above gives a baptism for him in Cowes, this within 2 k of Northwood .
1837. His wife, Frances, likely dies Portsea Sep 1837
1840. John Cassell, widower, painter, re marries Jane Mathews on 6/1/1840 at the Baptist Meeting House Alley Chapel Portsea I . His father James Cassell, gardener: hers Joseph Matthews, revenue officer. His address Daniel Street, Portsea: hers North Street, Portsea. Witnesses Robert Matthews & Charlotte Matthews, her mark. He is a widower, aged 39, with 4 children, aged 5-12.

1840. Their 1st child, Jane Mathews Cassell was born Portsea I Sep 1840
1841C.John Cassell , 40, painter, is living Daniel Street, Portsea, Portsea Island
| John | Cassell | Male | 40 | 1801 | Hampshire, England | |
| Jane | Cassell | Female | 24 | 1817 | Hampshire, England | |
| Frances S | Cassell | Female | 13 | 1828 | Hampshire, England | |
| Eliza J | Cassell | Female | 10 | 1831 | Hampshire, England | |
| John | Cassell | Male | 8 | 1833 | Hampshire, England | |
| Chas | Cassell | Male | 6 | 1835 | Hampshire, England | |
| Jane M | Cassell | Female | 1 | 1840 | Hampshire, Eng |
So, John & Jane have 3 children: Jane Mathews Cassell 1840, Charlotte Cassell 1842 & Cornelius Joseph Cassell 1843.
1843 . Cornelius Joseph Cassell is born Portsea I. Mar 1843 to John & Jane
1844 John Cassell likely dies Portsea I Jun 1844