Hi dave, It looks like Catherine was dead before Archibald, I had someone decipher the certificate. They wrote Duncan and then scratched it out and put Archibald.
Formally Shipmaster, Widower died 8 Aug 1857 at 6:50am Hamilton Street Saltcoats
Parents Duncan Taylor, shoemaker deceased and Anna Taylor maiden name Campbell deceased.
Died off Muscular Debility 4 month
Surgeon Robert F Kinnaird? on the 6 Aug
Margaret Sinclair , sister in-law present
Buried Ardrossan Church yard Saltcoats
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Have been looking for Catherine Sinclair and found these
Catherine Sinclair
Scotland, Births and Baptisms, 1564-1950 birth: 22 April 1800
christening: 27 April 1800 MIDDLE CHURCH, PAISLEY, RENFREW, SCOTLAND
residence: 1800 Paisley, Renfrewshire, Scotland
father: Archibald Sinclair
mother: Catherine Macgilchrist
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Catherine Sinclair
Scotland, Births and Baptisms, 1564-1950 birth: 24 September 1802
christening: 26 September 1802 , PENICUIK, MIDLOTHIAN, SCOTLAND
residence: 1802 Penicuik, Midlothian, Scotland
father: James Sinclair
mother: Martha Heartly
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Catherine Sinclair
Scotland, Births and Baptisms, 1564-1950 christening: 6 April 1802 LOCHGOILHEAD AND KILMORICH,ARGYLL,SCOTLAND
father: Archibald Sinclair
mother: Elizabeth Mcintyre
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Catherine born about 1791, Caradale Saddell, Argyle
Married to Archibald on the 26 Feb 1825
Father John Sinclair
Census 1851
Residence Kilarrow Argyll age 60 servant
Census 1871
Residence Killean and Kilchenzie Argyll relationship to head Mother age 80.
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Catherine Sinclair Birth 1801 Kilkerrie Argyle or is Kilberry
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So now is any of these the one I am looking for?