From the UK top 10s:
1920 - 1: Mary, Elizabeth, Anna
1922: Elizabeth and Anna
1923: Mary and Elizabeth
1925: Mary and Elizabeth
1926 - 9: Mary and Maria
And from the top 100, I also love Rose, Lily, Ada, Emily, Beatrice, May, Mabel, Catherine, Eva, Louisa, Amy, Grace, Evelyn, Hannah, Kate, Nora, Charlotte, Caroline, Amelia, Eveline, Rosina, Lydia, Ruby, Victoria, Henrietta, Isabel, Matilda, Phoebe, Marie, Selina, Georgina, Helena, Leah, Cecilia, Lena, Flora, Josephine, Adelaide, Sophia, Lottie, Sylvia, Theresa, Rosie, Madeline, Harriett, Marguerite, Dorothea, Adeline, Letitia, Emmeline and Leonora.
For boys it’s John, George, Thomas, James, Arthur, Frederick, Charles, Albert, Joseph, Alfred, Henry, Harry, Samuel, David, Victor, Edgar, Daniel, Peter, Hugh, Isaac, Edmund, Louis, Ivor, Abraham, Owen, Oliver, Jesse, Reuben, Alec, Jacob, Jonathan, Leo, Ellis, Solomon, Cornelius, Nicholas, Augustus, Josiah, Timothy, Amos, Elijah, Idris, Nathaniel, Theodore, Emmanuel, Felix, Ephraim and Oscar.
For combinations I’d do Eva Charlotte, Rose Josephine, Emily Beatrice and Matilda Caroline and Leo Arthur, Henry Frederick, Emmanuel Felix and Cornelius Owen for the boys.
The list is here: https://www.britishbabynames.com/blog/2012/08/top-200-most-popular-names-in-england-and-wales-1900.html
I was quite surprised by some of the names on the list; especially Selina and Idris - I didn’t realise they had vintage usage.