Laird Ancestry, Glasgow, Scotland

My post reports on Laird family history, as sourced from a memorial at Glasgow Necropolis, Scotland. This was erected by Alexander 'Allan' Laird, steamship owner and records the deaths of:

• Alexander Laird, father on Feb 25th 1855, age 78 yrs.
• Catherine McAulay Laird, mother on Oct 11th 18??, age 72 yrs.
• Catherine Laird, sister on Nov 22nd 18??
• Allan Laird, brother on ? Dec  ??
• Mary Catherine Laird, child on  ?Feb 1878, age 22 yrs.
• Georgiana Johnstone, sister-in-law, on Sept 30th 1874, age 40 yrs.
• Alexander Allan Laird on Sept 14th 1892.
• Mary Johnstone on Feb 7th 1907.