There was a Louisa Elizabeth Burt listed in BDM records who married William Henry Christie and had 4 children Mary Ann (1871, Kyneton), Winifred Emma (1872 Kyneton), Emily Maria Jane (1874, Kyneton) and Louisa Elizabeth (1878, Kyneton).285 It’s unclear if this is the same Louisa Burt -- if so she started having her children at around age 15.