marriages of 3 sisters

[kevynne]

I have three sisters, Susannah, Mary Ann and Jane Thew.
I have the names and dates of possible marriages but I would like to know how I can prove that the dates I have are the correct ones for these particular sisters .
what I have found is
Mary Ann Thew married Robert Wilkinson in 1873
Jane Thew married John Thirlwell in 1873
Susanna Thew married Isaac Blenkinsop in 1869.
All three sisters lived in the Lemmington area and parents were John and Mary Ann Thew.

[Davran]

You will need to send off for the marriage certificates, which should give father's name of both bride and groom. I assume that you have the General Record Office references for the marriages as you said you had the dates.