; Mormon records state that she was baptised in All Saints church, Kings Lynn, on 25 Apr 1861; she appears in the 1861 census data [see below], said to be aged 1 month on the night of April 7th, so she was probably born in late March that year.Martha Harriett HELSDON née INKSON, b: reg. Q2 1861 Kings Lynn, Norfolk
Sources
Date of Birth : Her birth was registered in Q2 1861 ; Mormon records state that she was baptised in All Saints church, Kings Lynn, on 25 Apr 1861; she appears in the 1861 census data [see below], said to be aged 1 month on the night of April 7th, so she was probably born in late March that year.
1861 Residence : aged 1 month and living with the family on Extons Road, Kings Lynn from census record : 
.
1871 Residence : aged 10 and living with the family in Burnham Sutton, Norfolk from census record : 
.
1881 Residence : said to be aged 20 and a visitor at the butcher's shop in Thornham, Norfolk from census record : 
; she is visiting Mary Helsdon or, more probably, Mary's son Henry.
Date of Marriage : Her marriage to Henry William Helsdon was registered in Q3 1882 in Depwade registration district 
; Mormon records state that the date of the marriage was 27 Aug and that it took place in Burston, Norfolk; last marriage banns are dated 27 Aug.
1891 Residence : aged 30 and living with Henry and her own family on 'The Street' Thornham from census record : 
1901 Residence : aged 40 and still living with Henry and her own family on 'The Street' Thornham from census record : 
1911 Residence : aged 50 and living with Henry and her own family in Thornham from census record : 
; she declared that they had been married 29 years and had 8 children all still living.
1921 Residence : aged 60y 3m and visiting her married daughter at 5 Whitchurch Rd, Cardiff from census record : 
; her real residence was where Henry William was in Thornham from census record : 
.
Date of Death : 20 Oct 1924 from probate record : 
; the same record also shows the death of Henry William.