Always provide what they ask for if you are literally able to, even if it defies logic. If birth certificates or the equivalent exist they should be provided. Same goes for marriage certificates. Before I made my application I asked in webchat if it was necessary to provide marriage certificate ...

I've tried the search tool but wasn't able to find this addressed previously, so apologies if I missed something relevant. I'm in a situation with a bit of similarity to what jdh174 has just described as well. Both of my maternal grandparents were born in Ireland, and both are deceased, as is my ...