Baptised at Holy Trinity church, Sunderland.

1857: Mariner of Borough Road, Sunderland, aged 25y at his marriage.
1858: Frederick Warren was born at 40 Sans Street, his paternal grandmother's house.
1862: 7 Brougham St, Sunderland.
1865: 62 Back Brougham St, Sunderland.
1873: 62 Back Brougham St, Sunderland.

1881 census for 22 Cornhill Terrace, Southwick:

Name	Relation	Marital Status	Gender	Age	Birthplace	Occupation
Nicholas WARREN	Head	M	Male	49	Sunderland, Durham, England	Engine Works Lab (Maker)
Jane WARREN	Wife	M	Female	48	Sunderland, Durham, England
Arthur WARREN	Son	U	Male	19	Sunderland, Durham, England	Engine Works (Maker)
Sarah E. WARREN	Daur		Female	12	Sunderland, Durham, England	Scholar
John G. WARREN	Son		Male	9	Sunderland, Durham, England

1896: sailmaker (journeyman) of 5 William Street, Fulwell, Sunderland (death of Jane).

1901 census - living with daughter Sarah and son-in-law Richard Spain at 9 William Street, Fulwell, Sunderland:

Name	Relation	Age	Occupation	Where born
Richard T Spain	Head	29	Foreman boot and shoe maker	Durham Sunderland
Sarah E Spain	Wife	32		Durham Sunderland
Jane W Spain	Daughter	4		Durham Sunderland
Eleanor B Spain	Daughter	2		Durham Sunderland
Nicholas Warren	Father in law, widower	76	Waggon coach maker	Durham Sunderland

Died of "senile decay" aged 80y. Interred at Mere Knolls cemetery, Southwick, with his wife and son John.

Durham Records Online
Cemetery Registers, Sunderland District - Record Number: 1454142.12
Location: Sunderland (Fulwell)
Cemetery: Mere Knolls Cemetery - Western Extension
Denomination: any
11 May 1912 Nicholas Warren, of 9 William Street, Fulwell, age: 80, sailmaker

My 2 x great grandfather.